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| limit switches ?607 limit switches ?607 arct1b272e 200609-1yt please contact .......... specifications are subject to change without notice. printed in japan. automation controls business unit head office: 1048, kadoma, kadoma-shi, osaka 571-8686, japan telephone: +81-6-6908-1050 facsimile: +81-6-6908-5781 http://www.nais-e.com/ all rights reserved ? 2006 copyright matsushita electric works, ltd. matsushita electric works, ltd. these materials are printed on ecf pulp. these materials are printed with earth-friendly vegetable-based (soybean oil) ink. limit switches arct1b272e ?6.9 matsushita electric works, ltd. matsushita electric works, ltd.
61 features 1. can be mounting either front or back. 2. lamps that can be used with a wide range of voltages ?neon lamp comes in two types: 100v ac and 200v ac , sufficient luminosity is achieved through the diamond-cut lens. also with a long lifespan of more than 20 thousand hours. ?led lamp covers 6v to 48v and comes in three types, 6v ac/dc , 12v ac/dc , and 24 to 48v ac/dc . uses two highly lumi- nescent leds and in addition, sufficient luminosity is achieved through the dia- mond-cut lens. 3. lamp connection can be either spring type or lead wire type ?spring type (wiring unnecessary) (with neon or led lamp type) wiring is unnecessary because the lamp is directly connected to the terminals. by simply changing the direction of the lamp cover, it is possible to display both lights during operation (normally closed side) and no operation (normally open side.) ?lead wiring type 62 3. with led lamp connection actuator lamp rating 12v dc part no. az5101161 push plunger spring type az510116 az5102161 roller plunger az510216 az5104161 roller arm az510416 az5124161 az512416 az5105161 yoke az510516 az5106161 flexible az510616 az5107161 adjustable rod az510716 az5127161 az512716 AZ5108161 adjustable roller arm AZ510816 az5128161 standard type o.t. amplified type standard type o.t. amplified type standard type o.t. amplified type az512816 24 to 48v dc az5101661 push plunger lead wire type az510166 az5102661 roller plunger az510266 az5104661 roller arm az510466 az5124661 az512466 az5105661 yoke az510566 az5106661 flexible az510666 az5107661 adjustable rod az510766 az5127661 az512766 AZ5108661 adjustable roller arm resistive load (cos ] 1) 10a 125v ac 6a 4a 2a 6a 250v ac 4a 2.5a 1.2a 2a 500v ac 1.2a 0.75a 0.5a 0.8a 125v dc 0.1a inductive load (cos ] 0.4) motor or lamp load n.c. contact n.o. contact AZ510866 az5128661 standard type o.t. amplified type standard type o.t. amplified type standard type o.t. amplified type az512866 types of load rated load specifications 1. rating 1) standard type note) cadmium free contact types are available on a custom-made basis. please add an f to the end of the part number when ordering. led rating 6v dc type is available. when ordering, add suffix 162 (spring type) or 662 (lead wire type) to the standard part no .. rated con- trol voltage 125v ac 10a 6a 240v ac 6a 4a 24v dc 6a with neon lamp with led resistive load (cos ] 1) inductive load (cos ] 0.4) 2) type with lamp repeat accuracy of operating position, max. mm inch * 1 totaltravel (t.t.), min. overtravel (o.t.), min. mm inch movement differential (m.d.), max. mm inch pretravel (p.t.), max. mm inch r.f. (n {gf}) min. o.f. (n {gf}) max. 26.67 {2,720} 8.92 {910} 1.7 .067 1.0 .039 6.4 .252 0.1 .004 push plunger 26.67 {2,720} 8.92 {910} 1.7 .067 1.0 .039 5.6 .220 0.1 .004 roller plunger 13.34 {1,360} 2.23 {227} 15 5 12 45 1 8.83 {900} 0.49 {50} 25 5 15 90 1 roller arm standard type o.t. amplified type 8.90 {908} 8.90 {908} 50 5 90 10 yoke 1.39 {142} 2010 .787.394 flexible* 2 1.39 {142} 0.27 {28} 15 5 12 45 1 adjustable rod * 3 standard type 2.39 {244} 0.14 {14} 25 5 15 90 1 o.t. amplified type 13.34 {1,360} 2.23 {227} 15 5 12 45 1 adjustable roller arm * 4 standard type 8.83 {900} 0.49 {50} 25 5 15 90 1 o.t. amplified type characteristics actuator 3. operating characteristics 2. characteristics 1 form a 1form b contact arrangement 15m ? (by voltage drop 6 to 8v dc 1a) initial contact resistance, max. silver contact material min. 100m ? initial insulation resistance (at 500v dc) 1,000vrms for 1 min between non-consective terminals 2,000vrms for 1 min between dead metal parts and each terminal 2,000vrms for 1 min between ground and each terminal initial breakdown voltage 294m/s 2 {30g} standard type: max. 55hz type with indicator: 10 to 50 hz, double amplitude of 1.5mm 10 7 (at 60 cpm) 5 10 5 (at 20 cpm, rated load) standard type: 5 to +80 c +23 to +176 f with indicator: 5 to +60 c +23 to +140 f shock resistance vibration resistance electrical ambient temperature max. 95%r.h. 120 cpm ambient humidity max. operating speed mechanical expected life (min. operations) *1) value between max. and min. value in the operating position at 20 cpm, no-load *2) measured at the position within 5mm from the top of actuator. *3) o.f., r.f.: measured at the center distance of 135mm 5.315inch . *4) o.f., r.f.: measured at the center distance of 38mm 1.496inch . *5) for the operating characteristics, refer to the technical information. az5 limit switches (with lamp) (neon/led) az5 limit switches (standard type) protective construction iec types neon lamp 100v ac 80 to 120v ac 120k ? 200v ac 160 to 240v ac 240k ? led lamp 6v ac/dc 5 to 15v ac/dc 2.4k ? 12v ac/dc 9 to 28v ac/dc 4.7k ? 24 to 48v ac/dc 20 to 55v ac/dc 15k ? rated operat- ing voltage operating voltage range internal resistance ip60 ip64 ip67 4. protective characteristics 5. lamp rating foreign standard standard ul recognized product applicable product file no. : e99838 ratings : 10a, 1/2hp, 125v ac 6a, 1/2hp, 250v ac product type : standard model only part no. notes add 9 to the end of the standard part no. please ask about the price. comes fitted with an earth pin. az5 63 pretravel ( p.t. ) cover screw operating max. 0 +0.2 operation indicator (for type with lamp) 4.6 min. 30.2 0.2 4.9 0.4 40 58.7 0.2 4-5.2 21.6 40 28.7 0.5 35 dia. mounting holes 9.2 0.2 dia. 3-m4 12 plunger stainless steel 13.1 0.4 25.8 min. depth of 15 .591 4-m6 p= ( 1.0 ) tapped 25.0 max. 1.7 29.5 1.161 33.8 0.8 position ( 0.p. ) 1.331 .031 2.311 .008 .193 .016 1.189 .008 1.575 .181 17 dia. .669 .362 .008 1.016 .516 .016 .984 1.130 .020 1.37 8 1.575 .850 plunger stainless steel .516 .016 13.1 0.4 1.016 25.8 .984 25.0 42.5 1.130 .020 28.7 0.5 35 1.378 .850 21.6 .067 mounting holes 4-m6 p= ( 1.0 ) min. depth of 15 .591 mounting holes 1.673 g1/2 conduit depth min. 7 g1/2 conduit depth min. 7 wiring diagram output circuit terminal n.c. 2 n.o. 2 n.o. 1 n.c. 1 general tolerance: 0.4 .016 standard with lamp n.o. 1 n.c. 1 n.o. 2 n.c. 2 dimensions push plunger standard type az5101 ttp 17 0.4 dia. stainless steel roller mounting screw 4-m3.5 12 17 dia. 5 0.4 25.8 13.1 0.4 4-m3.5 12 mounting screw pretravel ( p.t. ) cover screw operating max. 0 +0.2 operation indicator (for type with lamp) 4.6 min. 4.9 0.4 58.7 0.2 4-5.2 21.6 40 28.7 0.5 35 dia. mounting holes 3-m4 12 min. depth of 15 591 4-m6 p= ( 1.0 ) tapped 33.1 max. 1.7 29.5 1.161 43.8 0.8 position ( 0.p. ) 2.311 .008 .193 .016 .181 1.130 .020 1.378 1.575 .850 .067 mounting holes 4-m6 p= ( 1.0 ) min. depth of 15 .591 mounting holes 40 1.575 1.189 .008 30.2 0.2 1.724 .031 .669 .016 1.303 42.5 1.130 .020 28.7 0.5 21.6 .850 35 1.378 1.673 1.303 33.1 1.016 .516 .016 .197 .016 .669 .197 .016 13.1 0.4 .516 .016 5 0.4 25.8 1.016 17 dia. .669 g1/2 conduit depth min. 7 g1/2 conduit depth min. 7 general tolerance: 0.4 .016 standard with lamp roller plunger standard type az5102 3-m4 12 cover screws arm fixing range for 14.7 53.4 0.8 ( r90 ) 58.6 4-m3.5 35 head mounting screw 7 04 53.5 30.5 26 13.1 0.4 46.5 39.5 0 +0.2 operation indicator (for type with lamp) 4.6 min. 4.9 0.4 58.7 0.2 4-5.2 dia. 2.311 .008 .193 .016 .181 4-m6 p= ( 1.0 ) min. depth of 15 mounting holes 40 1.575 1.189 .008 30.2 0.2 42.5 1.130 .020 28.7 0.5 21.6 .850 35 1.378 1.673 .591 2.102 .031 min. depth of 15 mounting holes 4-m6 p= ( 1.0 ) tapped .591 1.201 1.201 30.5 2.307 2.106 1.831 1.555 .516 .016 1.024 .276 .157 21.6 .850 35 1.378 53.4 0.8 2.102 .031 28.7 0.5 40 1.130 .020 1.575 g1/2 conduit depth min. 7 g1/2 conduit depth min. 7 13.1 0.4 .516 .016 2.106 1.555 39.5 53.5 1.024 26 1.831 46.5 2.307 58.6 .276 .157 7 04 .579 17.5 0.4 stainless steel roller ( roller can be set in any position through 360 ) dia. .689 .016 r38.1 0.5 1.5 .020 mounting holes hexagonal hole screw with m5 11 screw with hexagonal hole m5 11 head mounting screw 4-m3.5 35 setting up the roller arm in the opposite direction ( l90 ) ?? roller arm can be assembled in the opposite direction opposite direction assembled in the roller arm can be general tolerance: 0.4 .016 standard with lamp roller arm standard type az5104 az5124 (o.t. amplified) weight: 250g ?? dimension: az5104 . . . 14.7 ( .059 ) az5124 . . . 16.2 ( .638 ) az5 mm inch 64 m5 11 screw with hexagonal hole 3-m4 12 cover screws reverse roller fix the arm so that reverse roller rotating rang ( 270 ) stainless steel roller 2-17.5 0.4 dia. 64.3 ( 59.2 ) 42.8 3.5 14.7 7 04 0 +0.2 operation indicator (for type with lamp) 4.6 min. 4.9 0.4 58.7 0.2 4-5.2 dia. mounting holes 2.311 .008 .193 .016 .181 4-m6 p= ( 1.0 ) min. depth of 15 .591 mounting holes 40 1.575 1.189 .008 30.2 0.2 42.5 1.130 .020 28.7 0.5 21.6 .850 35 1.378 1.673 .276 .157 13.1 0.4 .516 .016 1.024 26 .579 head mounting screw 4-m3.5 35 59.4 2.339 39.4 1.551 ( 2.331 ) 2.531 1.685 .138 2.339 59.4 1.378 35 .850 21.6 28.7 0.5 40 1.130 .020 4-m6 p= ( 1.0 ) tapped mounting holes min. depth of 15 .591 head mounting screw 4-m3.5 35 1.551 39.4 1.024 ( 2.331 ) ( 59.2 ) 26 64.3 2.531 42.8 3.5 1.685 .138 13.1 0.4 .516 .016 r38.1 0.5 1.50 .020 the automatic reverse rotating position of arm is within the range of 40 to 60 from free position. 1.575 .276 .157 7 04 the reverse roller can turn within the rotating range g1/2 conduit depth min. 7 g1/2 conduit depth min. 7 general tolerance: 0.4 .016 standard with lamp yoke standard type az5105 switch movable ruber cap and 140 1.5 25 26 max. 6.7 dia. nylon rod 3-m4 12 cover screws 0 +0.2 operation indicator (for type with lamp) 4.6 min. 4.9 0.4 58.7 0.2 4-5.2 dia. 2.311 .008 .193 .016 .181 4-m6 p= ( 1.0 ) tapped min. depth of 15 .591 mounting holes 40 1.575 1.189 .008 30.2 0.2 42.5 1.130 .020 28.7 0.5 21.6 .850 35 1.378 1.673 13.1 0.4 .516 .016 5.512 .059 .984 fixing belt mounting holes .264 1.024 1.130 .020 40 28.7 0.5 .850 21.6 35 1.378 1.575 1.024 26 nylon rod 13.1 0.4 .516 .016 .264 max. 6.7 dia. mounting holes 4-m6 p= ( 1.0 ) min. depth of 15 .591 ( but not in the in any direction vertical direction ) g1/2 conduit depth min. 7 g1/2 conduit depth min. 7 general tolerance: 0.4 .016 standard with lamp flexible rod standard type az5106 adjustable ( max. 141 ) 3-m4 12 cover screws 0 +0.2 operation indicator (for type with lamp) 4.6 min. 4.9 0.4 58.7 0.2 4-5.2 dia. 2.311 .008 .193 .016 .181 40 1.575 1.189 .008 30.2 0.2 mounting holes 6.4 .252 lenght of rod 14.7 53.4 0.8 4-m3.5 35 head mounting screw 30.5 26 13.1 0.4 46 4-m6 p= ( 1.0 ) min. depth of 15 .591 mounting holes 42.5 1.130 .020 28.7 0.5 21.6 .850 35 1.378 1.673 2.102 .031 min. depth of 15 .591 mounting holes 4-m6 p= ( 1.0 ) tapped 1.201 1.201 30.5 1.811 .516 .016 1.024 21.6 .850 35 1.378 53.4 0.8 2.102 .031 28.7 0.5 40 1.130 .020 1.575 13.1 0.4 .516 .016 1.024 26 .579 head mounting screw 4-m3.5 35 1.894 48.1 ?? g1/2 conduit depth min. 7 g1/2 conduit depth min. 7 general tolerance: 0.4 .016 standard with lamp adjustable rod standard type az5107 az5127 (o.t. amplified) weight: 252g adjustable lenght of arm 3.2 m5 fastening nut 3.2 59.7 1.2 49.3 1.2 4-m3.5 35 head mounting screw 4-m3.5 35 head mounting screw 3-m4 12 cover screws 14.7 30.5 0 +0.2 operation indicator (for type with lamp) 4.6 min. 4.9 0.4 58.7 0.2 4-5.2 dia. 2.311 .008 .193 .016 .181 4-m6 p= ( 1.0 ) min. depth of 15 .591 mounting holes 40 1.575 1.189 .008 30.2 0.2 min. depth of 15 .591 mounting holes 4-m6 p= ( 1.0 ) tapped 1.201 1.201 30.5 21.6 .850 35 1.378 56.1 0.8 28.7 0.5 40 1.130 .020 1.575 .579 17.5 0.4 dia. nylon roller ( roller can be set in any position through 360 ) mounting holes .276 .157 7 04 26 1.024 .516 .016 13.1 0.4 64.8 0.8 2.551 .031 2.350 .047 1.941 .047 2.209 .031 ( 25 to 90 ) assembled in the opposite direction roller lever can be .276 .157 7 04 2.614 .047 66.4 1.2 61.3 1.2 2.413 .047 26 1.024 13.1 0.4 .516 .016 2.004 .047 50.9 1.2 .850 21.6 35 1.378 56.1 0.8 2.209 .031 28.7 0.5 1.130 .020 42.5 1.673 m5 fastening nut m4 fastening screw m4 fastening screw .126 .126 opposite direction assembled in the roller lever can be ?? g1/2 conduit depth min. 7 g1/2 conduit depth min. 7 general tolerance: 0.4 .016 standard with lamp adjustable roller arm standard type AZ5108 az5128 (o.t. amplified) ?? dimensions: az5107 . . . 14.7 .578 az5127 . . . 16.2 .638 ?? dimensions: AZ5108 . . . 14.7 .579 az5128 . . . 16.2 .638 az5 mm inch 65 arm setting position the roller arm of the arm types (az5104, az5105, az5107, AZ5108, az5124, az5127, az5128 and each type with lamp) can be set in any position through 360 . loosen the arm fastening hex. bolt, repo- sition the arm, and retighten the hex. bolt. head block direction 1. the head block of the arm types (az5104, az5105, az5107, AZ5108, az5124, az5127, az5128 and each type with lamp) can be set in any of four directions. loosen four screws on the head, and set the head in a desired direction. at this time, change the operation plunger orientation at the same time. 2. the head block of the roller plunger type (az5102) can be set in two direc- tions. remove the four bushing screws, and set the head in a desired direction. cover screw 3-m4 12 hexagonal hole 14.7 m5 screw with operating direction 1) both direction the arm of az5104, az5107, AZ5108 and each type with lamp can be set to be operate electrically either to both direc- tions or only to the right or the left. *o.t. amplified types az5124, az5127 and az5128 : only both directions roller direction the roller of the arm types (az5104, AZ5108, az5124, az5128 and each type with lamp) can be mounted on the front and rear side. to set the roller on the rear side, remove the arm fastening hex. nut, and reinsert the arm so as to face the roller in the rear direction. then, retighten the hex. nut. reverse mounting when a switch is mounted from the reverse side of a panel, use the mount- ing holes in the body. 2) clockwise remove the head block, turn the notch of a operating plunger counterclockwise in 90 , and retighten the head block. 3) counterclockwise remove the head block, turn the notch of a operating plunger clockwise in 90 , and retighten the head block. 15mm mounting holes min. depth of az5104 ( ex. ) (p = 1.0) 4-m6 az5 66 1) when giving indication on n.o. side and n.c. side: operation is same as that in the case of the spring type. however, when load is connected to both n.o. side and n.c. side, indication can be given on both n.c. side and n.o. side. 2) when the indication circuit is connect- ed with load in parallel: load performs the same operation as the indication circuit does. (when load operates, the lamp is lit, and when load is turned off, the lamp goes out.) more loads than for one circuit connot be controlled. there is no leakage current. 2. lead wire type (only for types with led) 1. spring type 1) when connecting load to n.o. side: when the switch is at free position, the lamp is lit, and when the switch operates, the lamp turns off. (use the lamp holder in the same condi- tion as when it was at the time of ship- ment.) lamp lighting circuit 2) when connecting load to n.c. side: when the switch is at free position, the lamp turns off, and when the switch operates, the lamp is lit. (use the lamp holder, changing it dire- cion by 180 .) 3) when connecting loads to both n.o. and n.c. sides: same as in 1). (use the lamp holder in the same condi- tion as when it was at the time of ship- ment. in this case, it is impossible to use it, changing its direction by 180 .) n.c. n.o. neon lamp built-in switch 1 3 2 ac power source load 4 resistor 67 cautions 1) this model uses silver terminals. therefore, if used at relatively low fre- quencies for long periods of time, or if used with very small loads, the oxidiza- tion that forms on the contact surfaces will not wear away and eventually cause improper contact. for such applications, use limit switches with gold/metal con- tacts (e.g. vl limit switches) or ones meant for small loads (e.g. hl limit switches). 2) this switch is not designed for under- water use. do not use the unit under- water. 3) do not use the switch where it may come in direct contact with organic sol- vents, strong acids, strong alkaline liq- uids or stream, or in atmospheres con- taining flammable or corrosive gases. 4) to improve reliability during actual use, it is recommended that the opera- tion be checked under installation condi- tions. 5) if ot is too big, the life of limit switch will be shortened switching friction. use it with enough margin of ot. 70% of ot standard value will be good for use. 6) do not use the switch in a silicon atmosphere. case should be taken where organic silicon rubber, adhesive, sealing material, oil, grease or lead wire generates silicon. 7) to protect against entry of foreign matter from the outside, we recommend sealing as much as possible using con- duit connectors. 8) avoid use in excessively dusty envi- ronments where actuator operation would be hindered. 9) when used outdoors (in places where there is exposure to direct sunlight or rain such as in multistory car parks) or in environments where ozone is generated, the influence of these environments may cause deterioration of the rubber materi- al. please consult us if you intend to use a switch in environments such as these. 10) do not store in places where organic gas might be generated or in places of high dust content or high humidity. az5 2 one-way roller lever roller lever hinge lever short long azh20 22 classification subminiature size compact size product name sl (az3) micro limit switches hl (azh) limit switches (die cast case) hl (azh) limit switches (die cast case) hl (azh) limit switches (plastic case) ml (az7) limit switches (standard) ml (az7) limit switches (epoxy-sealed terminal type) feature dust-proof type ip60 ip64 ip65 ip67 abrasion-proof type surge-proof type corrosion-proof type oil-resistant type neon led mechanical life (min.ope.) operating force (max.) (hinge lever type) available actuators terminals wiring mounting pitch (applicable screw) available standards page electrical ratings (load resistance) protective construction with lamps ?a limit switch with high-density mounting that improves stroke capacity through an o.t. absorption-type spring. ?led lamp type also available. rubber-cover type socket with cord type (with led lamps) [bifurcated type] 10a250v ac 10a125v ac 0.4a115v dc 10a250v ac 10a125v ac 0.4a115v dc 4a250v ac 4a125v ac 4a30v dc 0.1a 125v dc 10 7 10 7 10 7 10 7 10 7 10 7 10 5 0. 98n {100gf} 1. 96n {200gf} (short lever type) 2. 94n {300gf} ?rubber cover (solder and quick connect (#110) terminal) ?socket with cord cabtire code cross-angled wiring 28 14mm 1.102 .551inch (m4 screw) ul, csa p.13 p.18 p.18 p.18 p.33 p.33 ul, csa, t?v, ce ul, csa, t?v, ce ul, csa, t?v, ce ul, c-ul, t?v, ce 33mm 1.299inch (m4 screw) 33mm 1.299inch (m4 screw) 33mm 1.299inch (m4 screw) 25.4mm 1.000inch (m4 screw) 25.4mm 1.000inch (m4 screw) cabtire code cabtire code cabtire code cabtire cable cabtire cable screw terminal connector terminal screw terminal screw terminal vinyl cabtire cable (1m 3.281ft ) 2.45n {250gf} 3. 92n {400gf} 11.8n {1,200gf} (plunger type) 2.45n {250gf} 3.92n {400gf} 11.8n {1,200gf} (plunger type) 2.45n {250gf} 3. 92n {400gf} 1.47n {150gf}, 1.77n {180gf}, 1.96n {200gf}, 2.16n {220gf}, 2.35n {240gf}, 2.75n {280gf}, 5.88n {600gf} max. 1.47n {150gf}, 1.77n {180gf}, 1.96n {200gf}, 2.16n {220gf}, 2.35n {240gf}, 2.75n {280gf}, 5.88n {600gf} max. 5x10 5 5x10 5 5x10 5 2x10 5 2x10 5 [standard type] 5a125v ac 5a250v ac 5a8v dc 5a14v dc 5a30v dc 0.5a125v dc 0.25a250v dc [standard type] 5a125v ac 5a250v ac 5a8v dc 5a14v dc 5a30v dc 0.5a125v dc 0.25a250v dc [bifurcated type] 0.1a125v ac 0.1a8v dc 0.1a14v dc 0.1a30v dc [bifurcated type] 0.1a125v ac 0.1a8v dc 0.1a14v dc 0.1a30v dc without ledlamps 0.1a125v ac 0.1a8v dc 0.1a14v dc 0.1a30v dc with ledlamps 0.1a24v ac ?high sealability that satisfies iec ip67. ?wiring is screw-ter- minal type. ?bifurcated type also available. ?high sealability that satisfies iec ip67. ?less wiring, less installation connec- tor type. ?led lamp type also available. ?bifurcated type available. ?perfect for applica- tions that prioritize economy. ?switches installed with both economical and compact z-basic microswitches and limit switch protective construction. ?coil spring system provides long life. ?an ml compact limit switch with an epoxy-sealed case that completely encloses the terminal. appearance head code az3 azh23 azh10 12 az7 az7 selector chart note: excludes limit switch replacement parts actuators push plunger roller plunger cross-roller plunger roller arm adjustable roller arm adjustable rod fork spring wire flexible rod roller lever short long short long 3 ip60 ip64 ip65 ip67 neon led mechanical electrical classification product name feature life (min.ope.) operating force (max.) (hinge lever type) available actuators terminals wiring mounting pitch (applicable screw) available standards ratings (load resistance) protective construction with lamps appearance head code dust-proof type abrasion-proof type surge-proof type corrosion-proof type oil-resistant type page subminiature size vertical type compact size vertical type vertical type touch type ql (az4) micro limit switches dl (azd1) mini limit switches vl (az8) mini limit switches az5 limit switches vl-t mini touch limit switches input voltage 12-24v dc output current 150ma 6a250v ac 6a380v ac 5a24v dc 10 7 10 7 10 7 10 7 10 7 p.38 p.44 p.52 p.61 p.68 ul, csa ul, c-ul, t ? v, ce ul, c-ul, t ? v, ce ul 14 28mm .551 1.102inch (m4 screws) 22 (47mm) .866 1.850inch (m4 screws) 21 56mm .827 2.205inch (m4 screws) 30.2 58.7mm 1.189 2.311inch (m5 screws) cabtire code cabtire code cabtire cord cap tire cable cabtire cable (wiring type) cabtire cord cabtire cable 21 56mm 827 2.205inch (m4 screws) l socket (solderand quick connect (#110) terminal) socket with code screw terminal (conduit connec- tors: pf: 1/2, pg: 13.5 types) screw terminal screw terminal screw terminal 6.86n {700gf} (plunger type) 1.11n {113gf}, 4.41n {450gf} (arm type) 6.37n {650gf} 4.90n {500gf} 3.29n {400gf} 0.88n {90gf}, 5.88n {600gf}, 8. 83n {900gf}, 19.16n {2,000gf} 1.39n {142gf} 26.67n {2,720gf} 3x10 5 1.5x10 5 3x10 5 5x10 5 5a250v ac [standard type] 5a250v ac 5a125v ac 0.4a125v dc [with lamp type] [neon lamp type] 5a 240v ac 5a 125v ac [led lamp type] 3a 24v dc [standard type] 10a125v ac 6a250v ac 2a500v ac 0.8a125v dc [with lamp type] [neon lamp type] 10a 125v ac 6a 240v ac [led lamp type] 6a 24v dc l socket type socket with cord type a subminiature, highly accu- rate limit switch with built-in environment-proof functions. cord extraction can be changed in four directions, due to the dedicated l socket. led lamp can also be attached. excellent safety even if the contact point is welded, due to the forced contact opening mechanism. block mount system makes parts replacement easy. conforms to din stan- dards. in addition to the characteristics of stand mounted limit switches, is com- pact, easily instal- lable, highly reli- able, lightweight, and economical. built-in dedicated circuit breaker (1 form a 1 form b). different types of actuator avail- able. operate just by touching lightly. comes with sen- sitivity adjustment function and indi- cates operations. vl type touch limit switch az4 azd1 az8 az5 az84 door switch compact magnelimit magnelimit 1) 2) 5a (2a) 125v ac 5a (2a) 250v ac 5a (2a) 30vdc 5a 125v ac 5a 250v ac 5a 30vdc 10 5 10 5 p.72 p.74 ul, c-ul ul, c-ul, ce cabtire cord cabtire cord 30mm 1.181inch (m3) 52mm 2.047inch (m4) tab #110 terminal lead wire screw terminal 3.43n {350gf} 5x10 4 5x10 4 secured by magnet built-in switch detection dual-role switch in one unit. safe design prevents operator making errors. secured by magnet built-in switch detection dual-role switch in one unit. construction possi- ble with 100v ac power. azc3 azc1 free attachment other listed products product name ps hall sensors appearance an9 detector distance 2.5mm .098inch feature page magnetic detector type subminiature sensor perfect for slide table limiting economical price with operating display lamp attached. p.76 notes: 1) excludes exposed part of terminals, externally mounted components, and magnet catches. 2) figures in parentheses ( ) indicate rated current of water-resistant type. 4 type classification push plunger type small medium large excellent excellent high-level accuracy gives firm detection for position fixing, etc., by using perpendicular movement. roller plunger type (includes cross roller plunger) small medium large excellent excellent operating range can be widened by mounting accessory actuators like cams, dogs, cylinders, etc. high-level detection for position fixing. roller arm type small to large large medium good to excellent excellent the stroke in the direction of revolution is large at between 45 and 90 and the lever angle can be set at will to within 360 for easy use. wide angle type (large o.t.) available. can be used for wide-range position fixing. adjustable roller arm type small to large large medium good to excellent good lever length can be altered to allow rough operation detection using the roller lever characteristics. adjustable rod type large large medium good good wide range of operations, and convenient for uneven mountings. lightest operation among the revolving operation type of limit switches. rod length is adjustable, and bending is also easy. fork large medium medium good excellent if operated up to 55 position, revolves automatically to retain 90 position. two dog operation enables recovery operation through single dog, or for any- thing that has caused the roller position to slip. spring wire and flexible rod medium large small possible possible excluding the thread direction, direction can be adjusted up to 360? operating power is the lowest of the limit switches, and is effective in detecting when direction and conditions are uneven. in order to absorb the movements after operation in the actu- ator part, work slippage tolerances are also large. hinge lever type large medium small possible possible using a low speed, low torque cam, the lever can assume various shapes suited to the operation. the lever is very sturdy. roller lever type large medium small possible possible suited to high speed cams through the attachment of a hinge roller lever. one way roller lever type medium medium medium possible possible operation is possible with both hinge lever type and one way operation, but the roller will break if operat- ed in the opposite direction, rendering the unit inop- erable. can be used to prevent opposite direction movement. roller lever type medium medium medium possible possible the roller position can be changed. pretravel (p.t.) overtravel (o.t.) operating force (o.f.) accuracy vibration shock characteristics a ctuator selection 5 standard glossary fixed rating values the values that guarantee the stan- dards for the limit switch characteris- tics and functions. for example, the rated current and rated voltage, which are preset conditions (load type, current, voltage, frequency, etc.) operating object the mechanism and mountings that operate the limit switch actuator. used for mechanical operators such as cams and dogs. detective object the unit other than mechanical mountings that operate the limit switch. products, parts, jigs, etc. reaction spring (movable spring) the mechanical part that switches the limit switch contact is called either the reaction spring or the moveable spring. contact when the counter-spring revolves, power is switched on and off through the contact between metal parts contact gap the effective clearance between the fixed contact and the moveable con- tact. also called breaking distance. contact arrangement the construction of the electrical input/output circuit depending on use. for example, the following two applications: contact type used in opposition to a semiconduc- tor switch that has switching charac- teristics. fulfills switch functions through a mechanical on/off con- tact. terminal mold after wiring, the connecting part is molding by epoxy resin for water- proof, oil-resistant and dust-proof capabilities. construction actuator this part directly detects movement of the dog, cam, and so forth in the operating unit, and transmits external force to the changeover mechanism, thereby engaging the moveable con- tact and operating the switch. headblock an independent part of the actuator mechanism of the limit switch. wiring vent (cord vent) the seal on the wiring at the mouth of the wiring vent. also called the conduit vent for the screw hole used in the wiring. terminals the part of the wiring work in the wiring that forms the circuit for elec- trical input and output. operating char- a cteristics operating force (o.f.) the force required to cause contact snap-action. it is expressed in terms of force applied to the actuator. release force (r.f.) the force to be applied to the actua- tor, at the moment contact snaps back from the operated position to unoperated position. pretravel (p.t.) distance of the actuator movement from free position to operating posi- tion. overtravel (o.t.) the distance which the actuator is permitted to travel after actuation without any damage to the switching mechanism. total travel (t.t.) the distance which the actuator is permitted to travel from free position without any damage to the switching mechanism. movement differential (m.d.) the distance from operating to release position of the actuator. operating position (o.p.) the position of the actuator when the traveling contact snaps to the fixed contact. release position (r.p.) the position of the actuator when the traveling contact snaps back from the operating position to its original position. free position (f.p.) position of the actuator when no force is applied to it. technical information [1 form c ( single pole double throw ) ] f [1 form z ( double break double make ) ] com f n.o. n.c. n.c. n.c. n.o. n.o. cord vent front view reset spring pushbutton roller cam reset spring plunger roller arm head block pushbutton cam roller actuator vl limit switch r.t. o.f. f.p. o.t.t.f. m.d. standard position o.p. p.t. r.p. t.t. r.p. o.t. m.d. o. p. operating position r.p. r.f. o. p. operating position p.t. p.t. free position o.t. m.d. note: f.p. , o.p. , and r.p. are expressed as distances from the standard position. 6 en60947-5-1 en standard same as iec947-5-1 utilization categories the following examples express the classification of switches by category of use. rated impulse withstand voltage (uimp) the peak impulse current value which enables the switch to resist without insulation breakdown. rated enclosed thermal current (ithe) the current value that enables cur- rent to flow without exceeding the specified maximum temperature in the recharging contact switch. if the pins are made of brass, the maxi- mum temperature limit is 65? 149? . conditional short circuit current the current the switch can resist until the short circuit protection device is activated. short circuit protection device a device that protects the switch from short circuits through a circuit break (breakers, fuses, etc.) switching overvoltage the surge momentarily generated when a circuit is closed. must be lower than the uimp value. pollution degree expresses in levels the environment in which the switch is used. the four levels are shown below. limit switches come under contami- nation level 3. glossary relating to the en60947-5-1 rated operational voltage (ue) the maximum rated voltage for switch operation. this must never exceed the maximum ratings insula- tion voltage (ui). rated operational current (ie) the maximum rated current for switch operation. rated insulation voltage (ui) the maximum rated current value which guards the switch? insulation functions, forming the parameters for the resistance values and the mount- ing distance. current type category contents ac ac-15 controls electromagnetic loads in excess of 72va (volt amperes.) dc dc-12 controls resistance loads and semiconductor loads. pollution degree contents 1 no contamination or, even if conta- mination is present, only non-con- ducting contamination is generated. 2 normally, only non-conducting cont- amination is generated, but there remains the possibility of temporary conducting contamination when the circuit is formed. 3 conducting contamination is gener- ated, or else dry non-conducting contamination is generated by cir- cuits which can be anticipated. 4 permanent conducting contamina- tion is generated by dust, rain, snow, and other conductors. technical information 7 protection against spray no damage incurred when sprayed with a jet of water for 3 minutes from all directions, as per the diagram on the left. protection level and test methods protection level level protection level and test methods protection level level protective construction expresses the degree of protective construction that guards the level of functionability of the switch against ingress of solid objects, water, and oil. the standards are iec529 (iec: international electrotechnical commission) standards. iec standards determine the level of protection against both water and solid objects, but not against oil. protection against both water and solid objects protective construction 0 no particular protection 4 protection against solid objects exceeding 1mm .039inch in size. a hard wire 1mm dia. .039 inch dia. across cannot penetrate the inside. 5 protection against dust the unit is left for 8 hours in an atmosphere in which 2kg of talcum powder per 1m 3 is floating. no damage incurred from talcum powder penetrating the inside. 6 dust-proof protection againt dust (dust does not penetrate) the unit is left for 8 hours in an atmosphere in which 2kg of talcum powder per 1m 3 is floating. the talcum powder does not penetrate the inside. 3 rain-proof protection against rain fall no damage incurred when sprayed with water continuously for 10 minutes at angles of up to 60 from the perpendicular. 4 foam-proof protection against flying foam no damage incurred when sprayed with water continuously for 10 minutes at angles of up to 180 from the perpendicular across a wide area. 5 spray-proof 6 water proof protection against waves water does not invade the interior when sprayed with a jet of water for 3 minutes from all directions, as per the diagram on the left. 7 corrosion- proof protection against corrosion while immersed in water water does not invade the interior during immersion for 30 minutes at a depth of 1m 3.281ft. . protection against water protection against solid objects ip- note: 1. all of the tests cited above were conducted with the cord vent (conduit vent) tightly shut. 2. the above protective constructions are based on iec standard but major differences may arise due to length of use and operat ing environment. this should be thoroughly discussed and verified. 3. when the corrosion-proof model is immersed in water for 30 minutes or more, verify that no water has penetrated the inside b efore use. 3m 9.843ft. nozzle radius 6.3mm .248inch water pressure 30kp 3m 9.843ft. nozzle radius 12.5mm .492inch water pressure 100kp 1m 3.281ft. 1.0 .039 dia. 8 vmax (m/s) cautions for use pay attention to the following points when designing the dog for limit switch operation. 1. make the dog faceplate as smooth as possible. 2. adjust both the dog angle and the set arm angle as below, depending on the operating speed. 3. the depth (h) of the dog effects the lifespan of the limit switch. therefore, set the depth to a maximum of 80% of the total travel (t.t.) 4. the relationship between the speed of the dog (v = m/s) and the tip angle ( ) is as follows: 1) v & 0.2m/s 3) 0.5m/s ! v & 2m/s because the arm jiggle is as a mini- mum at a comparative speed such as v & 0.5m/s, setting both the dog angle so that it travels perpendicularly and the arm angle to 45 is optimum. if overriding the dog, set the arm per- pendicularly, so that =45? if the dog angle is reduced, the tolerable speed is increased. 5) roller plunger type design of operating dog and operating speed when v & 0.2m/s, set the arm to per- pendicular and set the arm rise angle to between 45 and 90? if the dog rise angle is reduced, the maximum tolera- ble speed is increased. as a rule, = 45 is optimum. 2) v & 0.5m/s the maximum tolerable speed can be extended by further reducing the dog rise angle from 45 when 0.5m/s ! v & 2m/s. it is necessary to set the arm so that the dog? cutting surfaces are always parallel ( o = 90 ) 4) overriding the dog (v & 0.2m/s) h v = 45 to 90 f o h v f h v = 45 o = 45 h h 45 0.2 60 0.1 60 to 90 0.05 vmax (m/s) even if overriding the dog, set the for- wards and rearwards motion exactly the same, and avoid any settings that make the actuator accelerate rapidly from the dog. 5. operation speed 1) when the operation (acting and reverting) speed is exceedingly slow, switching of the contacts will become unstable and this could cause prob- lems such as failure to make contact and welding. as a guide, the speed should be at least 1mm/s. 2) when the operation (acting and reverting) speed is exceedingly fast, be careful because the violent motion could cause breakage and with increased frequency, contact switching will not be able to keep up. as a guide, the switching frequency should be within 20 times per minute. 20 0.5 30 0.25 h (0.5 to 0.7) t.t. (0.6 to 0.8) t.t. vmax (m/s) 45 0.2 60 0.1 60 to 90 0.05 vmax (m/s) 40 0.7 35 0.9 30 1.3 25 2.0 9 1. the on/off circuit for the guidance load may suffer contact damage due to surges or inrushes when the power is turned either on or off. consequently, insertion of a protective circuit as per the following diagram is recommended, in order to protect the contacts. 2. do not connect either irregular poles or power sources to a switch contact. power connection examples (irregular pole connection) 3. avoid circuits where power may find a way between the contact points (as this may cause welding.) protection circuit circuit cautions for use (1) r must be a minimum of 10 ? ; (2) when using ac power: q impossible when r impedance is large. w possible when c, r impedance is suffi- ciently small com- pared with r imped- ance. can be used with both ac and dc as appro- priate. r ~ r c: 0.1 f limit switch contact limit switch contact (1) dedicated dc use. (2) ac is impossible limit switch contact can be used with both ac and dc as appro- priate. limit switch contact c r r c r r diode r varistor znr r example of unsuitable power connec- tion (abnormal power connection) no good load l load load connected to same pole good load l load load l ac dc risk of ac and dc being mixed. no good load l 4. using electronic switch circuits (low power, low current) 1) bouncing and chattering are gener- ated due to collision between the con- tacts when the limit switch is switching between them, and this sometimes causes such problems as white noises and error pulses in both the electronic circuit and the reverberation equip- ment. 2) if the generation of bouncing and chattering becomes a problem, it is necessary to consider installing a cr circuit or other absorption circuit given the circuit design. 3) this is particularly necessary when high contact reliability is needed, and is unsuitable for silver contact switch- es. switches with gold contacts pos- sess excellent performance. l 100v 200v no good ~ ~ cautions for use cautions for use 10 1) do not attempt to physically alter any part of the switch itself, such as the actuator, or switch attachment vent, as this may cause alterations to both characteristics and performance, and damage the insulation. 2) do not pour any lubricants such as oil or grease onto the moving parts of the actuator, as there is a possibility that this will cause a malfunction due to seepage into the inside, and impair the motion. silicon-based grease in particular affects the contact points badly. 3) if the switches are not to be used for an extended period of time, their con- tact reliability may be reduced due to oxidation of the contact points. because accidents may result from the impaired conductivity, always imple- ment a check beforehand. 4) prolonged continuous use of the switch hastens deterioration of the parts (especially the seal rubber) and may cause a malfunction in the release. for this reason, always imple- ment a check beforehand. 5) usage in the vicinity of either the switch operating position (o.p.) or the release position (r.p.) results in unsta- ble contacts. if using the nc contact point, set the actuator to return to the free position (f.p.) also, is using the no contact point, hold the ratings val- ues down to 70 to 100% for the over- travel (o.t.) 6) if the actuator is forced beyond its total travel (t.t.), the internal mecha- nism may be damaged. always use within the t.t. 7) do not apply unreasonable force to the actuator, as this may result in dam- age and impaired movement. 8) the switch, if dropped, may break due to excessive vibration and impact. therefore, please use extra caution when transporting and installing. 9) condensation inside the switch may occur if there are rapid ambient tem- perature changes when the switch is in a high temperature and humidity. since this occurs easily during marine transport, be extra cautious of what the environment will be when shipping. condensation is the phenomenon in which water vapor condenses into switch-adhering water droplets when the temperature rapidly drops in a high-temperature, high-humidity atmosphere or when the switch is quickly moved from a low temperature location to a place of high temperature and high humidity. it is the cause of insulation deterioration and of rust. 10) be careful of freezing in tempera- tures below 0?. freezing is the phe- nomenon in which moisture adhering to the switch from condensation or when in unusually high-humidity envi- ronments freezes onto the switch when the temperature drops below the freezing point. please extra caution because freezing can lock moving parts, cause operational delays, or interfere with conductivity when there is ice between the contacts. 11) in low-temperature, low-humidity conditions, plastic becomes brittle and the rubber and grease harden, which may lead to malfunction. 12) long term storage (including dur- ing transport) in high temperature or high humidity environments or where the atmosphere contains organic or sulfide gas, will cause sulfide or oxide membrane to form on the contact sur- faces. this in turn will cause unstable or failed contacting that may lead to functional malfunction. please verify the atmosphere when storing and transporting. 13) packaging should be designed to reduce as much as possible the poten- tial influence of humidity, organic gas, and sulfide gas, etc. 14) please avoid sudden changes in temperature. this is a cause of switch deformation and encourages the seal structure to breathe, which may lead to seal failure and operational malfunc- tion. 15) if installing a thermoplastic resin case, the use of a spring washer tight- ened directly against the case will cause the case to collapse and become damaged. therefore, please add a flat washer before tightening. also, be careful not to install if the case is being twisted. 16) for the purpose of improving quali- ty, materials and internal structure may be changed without notice. 17) when used outdoors (in places where there is exposure to direct sun- light or rain such as in multistory car parks) or in ambient temperature envi- ronments where ozone is generated, the influence of these environments may cause deterioration of the rubber material. please consult us if you intend to use a switch in such environ- ments. cautions for use precautions relating to the installation environment avoid using in silicon environments such as organic silicon-based rubber, solvents, sealants, oil, grease, or wiring. 11 explanation improved design poor design r improvement examples @ problem ?dog adjustment is difficult. solution ?separate each one until the dog can be adjusted. @ problem ?the dog axis is too long, and slips out during operation. ?for this reason, the limit switch operating position slips. solution ?firmly fix the dog plate to the base. r @ problem ?the detector sinks, applying force to the limit switch. ?the limit switch o.t. cannot be set. solution ?relieve the pressure using an additional actuator, and the o.t. can also be set. r @ problem ?the area around the actuator coil is easily damaged. ?friction generated during opera- tion. solution ?relieve the friction by installing an additional actuator. ?change the type of limit switch. r @ problem ?workers keep bumping the actua- tor. solution ?fit a protective cover to the side of the limit switch. r @ problem ?because the cord vent for the limit switch faces upwards, water droplets and so forth can easily penetrate the interior. ?the cord is constantly moving and thus easily damaged. solution ?fix the limit switch position on the stationary board. ?fit a protective cover, so that water and oil cannot come into direct con- tact with the limit switch. r @ problem ?the cord is not fixed, and gets pulled during work. ?dog adjustment is ineffective. solution ?change the limit switch position, and fix the cord. ?attach an adjustment mechanism to the dog. r @ problem ?the limit switch is near a high-tem- perature area. ?dog adjustment is ineffective, and the dog keeps bumping the lever. solution ?move the limit switch further away. ?make dog adjustment possible, and change the shape of the unit. r dog axle conveyer printer detector conveyer detector rotation axle rotation axle limit protective cover high temperature high temperature 12 explanation improved design poor design r @ problem ?the detector is scratched. limit attachment adjustments are difficult ?the actuator is damaged. ?specimen transfer is impeded. solution ?fix the limit position to behind the dumper to solve the above prob- lems. @ problem ?the transfer path of the detector is not fixed, and it keeps bumping the actuator. ?the operating position is unstable. ?the actuator is damaged. solution ?stabilize the operating position by fitting an additional actuator. ? make limit switch adjustment possible. r @ problem ?stroke adjustment ineffective. ?release the limit switch position, and ensure that the dog does not bump the lever. solution ?make dog adjustment possible. ?change the limit switch position, and sure that the dog does not bump the lever. r @ problem ?the cam shape is unsuitable (especially during release and strike release.) ?direction of limit switch attachment is unsuitable. solution ?render the cam shape smooth. ?change the limit switch position. r conveyer detector dumper conveyer detector conveyer detector rotation axle dog improvement examples table of recommended substitute products for discontinued products 77 ml (az7) limit switches ml (az7) limit switches ml (az7) limit switches ml (az7) limit switches az2 series limit switches slitted type limit switches (az6) new slitted type limit switches (az66) az1 series limit switches page recommended substitute products products to be discontinued p.33 p.33 p.33 p.33 you cannot use this nut for panel installation. products to be discontinued recommended substitute products installation please note that installation method and operation characteristics are different. az1 ??? az7 ??? az7 ??? az7 ??? az7 ??? az2 ??? az6 ??? az66 ??? please note that installation method and operation characteristics are different. please note that installation method and operation characteristics are different. please note that installation method and operation characteristics are different. 78 foreign standards overview 1. international standards iec standard international electrotechnical commission by promoting international cooperation toward all problems and related issues regarding standardization in the electrical and electronic technology ?lds, the iec, a non-governmental organization, was started in october, 1908, for the purpose of realizing mutual understanding on an international level. to this end, the iec standard was enacted for the purpose of promoting international standardization. 2. north america ul (underwiters laboratories inc.) this is a non-pro? testing organization formed in 1894 by a coalition of u.s. ?e insurance ?ms, which tests and approves industrial products (?ished products). when electrical products are marketed in the u.s., ul approval is mandated in many states, by state law and city ordinances. in order to obtain ul approval, the principal parts contained in industrial products must also be ul- approved parts. ul approval is divided into two general types. one is called ?isting (fig. 1), and applies to industrial products (?ished products). under this type of approval, products must be approved unconditionally. the other type is called ?ecognition (fig. 2), and is a conditional approval which applies to parts and materials. csa (canadian standards association) this was established in 1919 as a non-pro?, non- governmental organization aimed at promoting standards. it sets standards for industrial products, parts, and materials, and has the authority to judge electrical products to determine whether they conform to those standards. the csa is the ultimate authority in the eyes of both the government and the people in terms of credibility and respect. almost all states and provinces in canada require csa approval by law, in order to sell electrical products. as a result, electrical products exported from japan to canada are not approved under canadian laws unless they have received csa approval and display the csa mark. approval is called ?erti?ation? and products and parts which have been approved are called ?erti?d equipment? and display the mark shown in fig. 3. the mark shown in fig. 4 is called the ?omponent acceptance mark, and indicates conditional approval which is applicable to parts. the c-ul mark shown in fig. 5 (?ished products) and fig. 6 (parts) indicates that the product has been tested and approved in ul laboratories, based on ul and csa standards, through mutual approval activities. 3. europe en standard european standards/norme europeennee (france)/europaishe norm (germany) abbreviation for european standards. a uni?d standard enacted by cen/cenelec (european standards committee/european electrical standards committee). eu and efta member nations employ the content of the en standards into their own national standards and are obligated to abolish those national standards that do not agree with the en standards. (1) germany vde (verband deutscher elektrotechniker) the vde laboratory was established mainly by the german electric technology alliance, which was formed in 1893. it carries out safety experiments and passes approval for electrical devices and parts. although vde certi?ation is not enforced under german law, punishment is severe should electrical shock or ?e occur; therefore, it is, in fact, like an enforcement. t?v (technischer ?berwachungs-verein) t?v is a civilian, non-pro?, independent organization that has its roots in the german boiler surveillance association, which was started in 1875 for the purpose of preventing boiler accidents. a major characteristic of t?v is that it exists as a combination of 14 independent organizations (t?v rheinland, t?v bayern, etc.) throughout germany. t?v carries out inspection on a wide variety of industrial devices and equipment, and has been entrusted to handle electrical products, as well, by the government. t?v inspection and certi?ation is based mainly on the vde standard. t?v certi?ation can be obtained from any of the 14 t?vs throughout germany and has the same effectiveness as obtaining vde certi?ation. listing mark fig. 1 recognition mark fig. 2 certification fig. 3 fig. 5 fig. 6 component acceptance fig. 4 vde t?v rheinland 79 limit switches product name sl limit switches ul recognized file no. approved ratings file no. approved ratings file no. approved ratings e122222 4a 250v ac lr55880 4a 250v ac hl limit switches ml limit switches dies-cast case standard load type e122222 e122222 5a 250v ac pilot duty b300 lr55880 e122222 (c-ul) 5a 250v ac pilot duty b300 j9650514 j9650515 j9551204 dc-12 1a 30v- die-cast case low level load type (includes connector type) 0.1a 30v dc 0.1a 30v dc dc-12 0.1a 30v- plastic case standard load type 5a 250v ac pilot duty b300 5a 250v ac pilot duty b300 ac-15 2a 250v~ dc-12 1a 30v- plastic case low level load type 0.1a 30v dc 0.1a 30v dc dc-12 0.1a 30v- standard type 10a 250v ac 10a 250v ac ac-15 2a 250v~ epoxy-sealed terminal type with lamp ql limit switches e122222 lr55880 5a 250v ac 5a 250v ac vl limit switches standard type e122222 e122222 (c-ul) j9551203 5a 250v ac pilot duty b300 5a 250v ac pilot duty b300 e122222 e122222 (c-ul) 6a 380v ac pilot duty a300 6a 380v ac pilot duty a300 ac-15 2a 250v~ with neon lamp dl limit switches j9551205 ac-15 2a 250v~ e99838 e43149 e43149 (c-ul) e43149 (c-ul) 10a 1/2hp 125v ac 6a 1/2hp 250v ac 5a 250v ac 2a 250v ac 5a 250v ac 2a 250v ac vertical limit switches compact magnelimit standard type water-resistant type e122222 e122222 (c-ul) 5a 250v ac pilot duty b300 5a 250v ac pilot duty b300 magnelimit csa certified t?v approval safety standards recognition limit switches conforming to en/iec standards the limit switches shown below conform to both en and iec standards, and may dis- play the ce markings. file no. approving body suitable standard product name j9650514/j9650515 t?v en60947-5-1 hl j9551204 t?v en60947-5-1 ml j9551203 t?v en60947-5-1 vl j9551205 t?v en60947-5-1 dl en60947-5-1 magnelimit product classification limit switches note: refer to the page for each individual product for detailed approval conditions and approved types. moreover, the hl limit switch alone does not display the ce mark as standard. if the ce mark is necessary, add (ce) to the end of the part no. when ordering. what are en standards? an abbreviation of norme europeenne (in french), and called european standards in english. approval is by vote among the cen/cenelec member countries, and is a unified standards lim- ited to eu member countries, but the contents conform to the international iso/iec standards. if the relevant en standard does not exist, it is necessary to obtain approval based on the relevant iec standard or, if the relevant iec standard does not exist, the relevant standard from each country, such as vde, bs, semko, and so forth. ce markings and ec directives the world? largest single market, the european community (ec) was born on 1 january 1993 (changing its name to eu in november 1993. it is now always expressed as eu, apart from ec direc- tives.) eu member country products have always had their quality and safety guaranteed according to the individual standards of each member country. however, the standards of each country being different prevented the free flow of goods within the eu. for this reason, in order to eliminate non-tariff barriers due to these standards, and to maximize the merits of eu unification, the ec direc- tives were issued concomitant to the birth of the eu. the en standards were established as universal eu standards in order to facili- tate eu directives. these standards were merged with the international iec standards and henceforth reflect the standards in all countries. also, the ce markings show that products conform to ec directives, and guarantee the free flow of products within the ec. appropriate ec directives for control equipment products the main ec directives that are to do with machinery and electrical equipment are the machinery directive, the emc directive, the low voltage directive, and the telecom directive. although these directives have already been issued, the date of their enactment is different for each one. the machinery directive was 1 january 1995. the emc directive was 1 january 1996, and the low voltage direc- tive was enacted from 1 january 1997. the telecom directive was established by the separate ctr (common technology references.) ce markings overview |
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