1 type no. 437 single pole, toggle actuator terminal design k12 flat screw terminals m10 k60 flat screw terminals din 46206, sheet 2, form 1, thread m10 mounting 1 lugs 5 brackets characteristic curve 06 fast trip 07 delayed trip auxiliary contacts (blade terminals 6.3x08) si one each n/o and n/c si01 one n/c (11/12), two n/o (13/14 + 23/24) si2 one n/o (13/14) remote trip (optional) fa electrical remote disconnection fc electrical remote disconnection (fa) and re-connection (fe) coil voltage 12 dc 12 v 24 dc 24 v current ratings 40...240 a voltage ratings (blank) dc 110 v 437 - k60 - 5 - 06 - si01-fa 24 - 50a - ... ordering example the exact part number required can be built up from the table of choices shown above. ordering references for optional features should be omitted if not required. description typical applications technical data single pole high performance thermal-magnetic circuit breaker with tease-free, trip-free, snap action mechanism and toggle actuation (s-type tm cbe to en 60934). options include auxiliary contacts, a moulded flame retardant enclosure for added environmental protection, and remote operation - disconnection only, or disconnection and re-connection. also available in an ip65 housing (see type e-1032). battery and cable protection for all types of vehicles (including rail vehicles and boats), battery powered systems. 437-... voltage rating dc 144 v (higher voltage ratings upon request) current rating range 40...240 a (higher current ratings upon request) auxiliary contact rating 6 a max. at dc 28 v 0.2 a at dc 180 v electrical remote disconnection (-fa) operating voltage dc 12 v or dc 24 v operating current approx. 18 a or 12 a max. pulse time 10 ms < t on < 20 ms / t off > 10 s switching time < 20 ms electrical remote re-connection (-fc) operating voltage dc 12 v or dc 24 v operating current approx. 30 a or 15 a max. pulse time 0.1 s < t on < 1.2 s / t off > 60 s switching time < 100 ms typical life 3,000 operations at 240 a, dc 180 v 10,000 operations at 240 a, dc 28 v 20,000 operations mechanical ambient temperature -40...+60 c (-40...+140 f) insulation co-ordination rated impulse pollution (iec 60664 and 60664 a) withstand voltage degree 6 kv 3 dielectric strength (iec 60664 and 60664 a) test voltage operating area ac 3,300 v main to aux. circuit ac 2,200 v aux. circuits 11-12 to 13-14 ac 1,000 v insulation resistance > 100 m (dc 500 v) interrupting capacity i cn 2,000 a at dc 180 v; l/r = 0 ms 10,000 a at dc 28 v; l/r = 0 ms 7,500 a at dc 28 v; l/r = 13 ms degree of protection operating area ip40, (iec 60529/din 40050) terminal area ip00 with enclusure b ip54 with enclosure c ip65 vibration curve 06: 3 g (60-500 hz), 0.23 mm (10-60 hz) curve 07: 4 g (60-500 hz), 0.30 mm (10-60 hz) to iec 60068-2-6, test fc, 10 frequency cycles/axis shock curve 06: 20 g (11 ms), to iec 60068-2-27, test ea curve 07: 25 g (11 ms), to iec 60068-2-27, test ea corrosion 48 hours at 5 % salt mist, to iec 60068-2-11, test ka humidity 240 hours at 95 % rh, to iec 60068-2-3, test ca mass approx. 900 g base unit + approx. 400 g remote re-connection + approx. 100 g remote disconnection standard current ratings and typical internal resistance values ordering information current rating (a) internal resistance () current rating (a) internal resistance () 40 < 0.003 120 0.002 50 < 0.002 160 0.001 63 0.002 200 0.001 80 0.002 240 0.001 100 0.002 high performance thermal-magnetic circuit breaker 437-... www.e-t-a.de 1646 1
2 dimensions 437-k12-5-si-?-fa 437-k60-1-?-fa 26 35 44 25 22 167.5 141 45 m3.5 - 9 depth tightening torque max. 0.8 nm 3 41 71.5 91 106 92 13 0 i 180 44 m5 72 92 14 9 57 61.5 30 26 m10x25 tightening torque max. 10 nm blade terminals (qc .250) din 46244-a6.3-0.8-bz 2 terminals for remote disconnection 2 terminals for si1 (n/c) 2 terminals for 2si2 (2 n/o) 83.5 2 .984 1.73 .866 1.38 1.77 5.55 0 i 3 6 13 26 lo cation pin for symmetrical rail din en 50022-35x7.5 26 m10x25 tightening torque max. 10 nm location pin for g rail din en 50035-g32 (not shown) 4 terminals for 2si2 (2 n/o) 4 41 71.5 90.5 106 92 6.59 .512 3.62 .236 .157 1.61 2.81 3.56 4.17 .118 7.09 2.84 3.29 3.62 1.73 2.24 2.42 .354 .551 1.18 .512 3.62 .079 1.61 2.81 3.58 4.17 4 .157 .118 blade terminals (qc .250) din 46244-a6.3-0.8-bz 2 terminals for remote disconnection 2 terminals for si1 (n/c) 1 46 1 4 1 1 1 1 1 1 1 1 6 1 1 46 1 4 1 1 1 1 1 1 1 1 6 1 typical time/current characteristics at +23 c/+73.4 f 3.62 180 83.5 m5 72 92 14 9 57 61.5 11 30 44 1 2 7.09 3.29 2.84 .433 1.18 1.73 .551 .354 2.24 2.42 0i m3.5x10 tightening torque max. 0.55 nm 123 91 61 45 4 2 35 11.5 114.5 92 13 26 26 n/c or fa n/o .453 4.51 1.38 .512 3.62 .079 .157 1.77 2.40 3.58 4.84 437-k12-?-bc-fa.. m10x25 tightening torque max. 10 nm this is a metric design and millimeter dimensions take precedence ( mm ) inch all dimensions without tolerances are for reference only. in the interest of improved design, performance and cost effectiveness the right to make changes in these specifications without notice is reserved.product markings may not be exactly as the ordering codes. errors and omissions excepted. internal connection diagram battery + load battery + load fa recommended link for fa coil protection pre-wired at the factory 2 23 24 12 1 i > 11 13 13 13 14 14 14 si si2 2si2 fa 23 24 12 1 2 i > 11 13 13 13 14 14 14 si si2 2si2 i n 120 a i n > 120 a www.e-t-a.de high performance thermal-magnetic circuit breaker 437-... 1646 1
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