090609/6 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice. www.lem.com page 1/3 i pn = 5 .. 150 a features rms (average) output 0-5v dc voltage output split-core type ? 16 mm sensing aperture for non-contact measurement terminal output isolated plastic case recognized according to ul 94-v0. advantages high isolation between primary and secondary circuits compact case cost-effective solution easy installation applications automation and supervision current measurement for process regulation by distributed plcs or remote control (e.g. scada software) safety and condition monitoring load monitoring for protection systems and predictive maintenance (e.g. conveyers, pumps or hvac motors) application domain energy and automation electrical data primary nominal current rms output voltage type i pn (a.t.rms) v out (v dc) 5 0-5 at 5 b5 10 0-5 at 10 b5 20 0-5 at 20 b5 50 0-5 at 50 b5 100 0-5 at 100 b5 150 0-5 at 150 b5 r l load resistance 1 m w v c supply voltage self-powered v sz output clamping voltage 7.5 v ? p overload capability - continuous 120 % of i pn - 1 min 150 % of i pn performance data x accuracy @ i pn , t a = 25c (excluding offset) < 2 % of i pn l linearity error < 0.5 % t r response time to 90% of i p step < 300 m s bw frequency bandwidth 50/60 hz general data t a ambient operating temperature - 20 .. + 60 c t s ambient storage temperature - 20 .. + 85 c m mass 90 g ipxx protection degree ip40 ac current transducer at -b5 split-core transducer for the electronic measurement of ac waveform currents, with galvanic isolation between the primary circuit (power) and the secondary circuit (measurement). 0-5v dc voltage output proportional to the rms value of the primary current. i pn = 5 .. 150 a features ? rms (average) output ? 0-5v dc voltage output ? split-core type ? ? 16 mm sensing aperture for non- contact measurement ? t erminal output ? isolated plastic case recognized according to ul 94-v0. advantages ? high isolation between primary and secondary circuits ? compact case ? cost-effective solution ? easy installation applications ? automation and supervision current measurement for process regulation by distributed plcs or remote control (e.g. scada software) ? safety and condition monitoring load monitoring for protection systems and predictive maintenance (e.g. conveyers, pumps or h vac motors) application domain ? energy and automation 07 11 15/4 ww w .lem.com lem reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice. page 1/3 ac current transducer at-b5 split-core transducer for the electronic measurement of ac waveform currents, with galvanic isolation between the primary circuit (power) and the secondary circuit (measurement). 0-5v dc voltage output proportional to the rms value of the primary current. electrical data primary nominal output voltage type current rms i pn (a.t.rms) v out (v dc) 5 0-5 at 5 b5 10 0-5 at 10 b5 20 0-5 at 20 b5 50 0-5 at 50 b5 100 0-5 at 100 b5 150 0-5 at 150 b5 r l load resistance 1 mw v c supply voltage self-powered v sz output clamping voltage 7.5 v ? p overload capability - continuous 120 % of i pn - 1 min 150 % of i pn performance data x accuracy @ i pn , t a = 25c (excluding offset) < 1.5 % of i pn e l linearity error < 0.5 % of i pn t r response time to 90% of i pn step < 300 ms bw frequency bandwidth 50/60 hz general data t a ambient operating temperature - 20 .. + 60 c t s ambient storage temperature - 20 .. + 85 c m mass 90 g ipxx protection degree ip40
090609/6 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice. www.lem.com page 2/3 current transducer at-b5 isolation characteristics v b rated isolation voltage rms 1) 300 v with iec 61010-1 standards and following conditions: - reinforced isolation - over voltage category cat iii - pollution degree pd2 - heterogeneous feld v d rms voltage for ac isolation test 2) , 50hz, 1min. 3.5 kv dcp creepage distance 6 mm dcl clearance distance 6 mm cti comparative tracking index (group i) 600 notes: 1) if insulated cable is used for the primary circuit, the isolation voltage category can be improved according to the primary cable insulation category (please refer to the cable manufacturers indications) 2) between primary (completely flling the hole) and secondary. safety and warning notes in order to guarantee safe operation of the transducer and to be able to make proper use of all features and functions, please read these instructions thoroughly! safe operation can only be guaranteed if the transducer is used for the purpose it has been designed for and within the limits of the technical specifcations. ensure you get up-to-date technical information that can be found in the latest associated datasheet under www .lem.com. caution! risk of danger ignoring the warnings can lead to serious injury and/or cause damage! the electric measuring transducer may only be installed and put into operation by qualifed personnel that have rceived an appropriate training. the corresponding national regulations shall be observed during installation and operation of the transducer and any electrical conductor. the transducer shall be used in electric/electronic equipment with respect to applicable standards and safety rquirements and in accordance with all the related systems and components manufacturers operating instructions. caution! risk of electrical shock when operating the transducer, certain parts of the module may carry hazardous live voltage (e.g. primary conductor, power supply). the user shall ensure to take all measures necessary to protect against electrical shock. the transducer is a built-in device containing conducting parts that shall not be accessible after installation. a protective enclosure or additional insulation barrier may be necessary. the transducer shall not be put into operation if the jaw opening is open (split core version) or the installation is not completed. installation and maintenance shall be done with the main power supply disconnected except if there are no hazardous live parts in or in close proximity to the system and if the applicable national regulations are fully observed. safe and trouble-free operation of this transducer can only be guaranteed if transport, storage and installation are carried out correctly and operation and maintenance are carried out with care.
090609/6 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice. www.lem.com page 3/3 dimensions at-b5 (in mm. 1 mm = 0.0394 inch) bottom view top view back view mechanical characteristics general tolerance 1 mm primary aperture ? 16 mm fastening cable tie connections wires up to 2 mm ? remarks attention: contact areas (air gap) must be kept clean (particle free) to ensure proper performance dimensions at-b5 (in mm. 1 mm = 0.0394 inch) mechanical characteristics ? general tolerance 1 mm ? primary aperture ? 16 mm ? fastening cable tie (-) (+) (controller, meter etc) lo ad (-) (+) 07 11 15/4 ww w .lem.com lem reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice. page 3/3 remark ? attention: contact areas (air gap) must be kept clean (particle free) to ensure proper performance connections ? wires up to 2 mm ? 4 4 2 . 5 1 8 1 . 5 2 3 . 5 3 1 . 5 5 1 4 0 . 5 2 8 . 5 1 6 1 8 2 2 k l + 1 6 + ( - ) ( + ) 2 - m 3 t e r m i n a l w i t h c o v e r n . p (at transducer) ( controller, meter, etc. ) 2 measure + ip 1 mea sure - k l 2 measure + ip 1 mea sure - k l dimensions at-b5 (in mm. 1 mm = 0.0394 inch) mechanical characteristics ? general tolerance 1 mm ? primary aperture ? 16 mm ? fastening cable tie (-) (+) (controller, meter etc) lo ad (-) (+) 07 11 15/4 ww w .lem.com lem reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice. page 3/3 remark ? attention: contact areas (air gap) must be kept clean (particle free) to ensure proper performance connections ? wires up to 2 mm ? 4 4 2 . 5 1 8 1 . 5 2 3 . 5 3 1 . 5 5 1 4 0 . 5 2 8 . 5 1 6 1 8 2 2 k l + 1 6 + ( - ) ( + ) 2 - m 3 t e r m i n a l w i t h c o v e r n . p (at transducer) ( controller, meter, etc. ) 2 measure + ip 1 mea sure - k l 2 measure + ip 1 mea sure - k l
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