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 090804/6 i pn = 50 .. 500 a features open loop hall effect transducer busbar mounting or panel mounting. isolated plastic case recognized according to ul 94-v0. advantages low power consumption split core easy for mounting high isolation between the primary and the secondary circuit through-hole, no insertion losses. applications power supplies for telecom (monitoring & measuring) uninterruptible power supplies (ups) switched mode power supplies (smps) electrical chemistry chooper battery supplied applications. application domain industrial. current transducer htr 50 to 500-sb for the electronic measurement of currents: dc, ac, pulsed..., with galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit). electrical data type primary nominal primary current, current rms measuring range i pn (a) i pm (a) htr 50-sb 50 100 htr 100-sb 100 200 htr 200-sb 200 400 htr 300-sb 300 600 htr 400-sb 400 800 htr 500-sb 500 1000 v out output voltage (analog) 4 v r l load resistance > 10 k w v c supply voltage ( 5 %) 12 .. 15 v i c current consumption (max) 20 ma x accuracy 1) @ i pn , t a = 25c, @ 12 .. 15 v ( 5 %) 2 % accuracy - dynamic performance data l linearity error 1) 1 % typ max v oe electrical offset voltage @ i p = 0, t a = 25c 45 65 mv v om magnetic offset voltage @ i p = 0 and specifed r m , after an overload of 3 x i pn 10 20 mv v ot temperature variation of v o - 10c .. + 70c 70 240 mv tc g thermal drift of the gain, t a = - 10 .. + 70c 140 450 mv t r response time to 90 % of i pn step < 10 s di/dt di/dt accurately followed > 50 a/s bw frequency bandwidth (- 1 db) dc .. 10 khz t a ambient operating temperature - 10 .. + 70 c general data t s ambient storage temperature - 20 .. + 85 c m mass 80 g standard en 50178 note : 1) execludes the electrical offset.
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 090804/6 current transducer htr 50 to 500-sb isolation characteristics v d rms voltage for ac isolation test, 50 hz, 1 min 3 kv v w impulse withstand voltage 1.2/50 s > 6 kv v e partial discharge extinction voltage rms > 1.5 kv min dcp creepage distance 1) 28.1 mm dci clearance distance 2) 17.1 mm cti comparative tracking index (group iiia) 225 applications examples according to en 50178 and iec 61010-1 standards and following conditions: over voltage category ov 3 pollution degree pd2 non-uniform feld notes : 1) on housing from pin to primary hole 2) on housing from pin to primary hole. safety this transducer must be used in electric/electronic equipment with respect to applicable standards and safety requirements in accordance with the manufacturers operating instructions. caution, risk of electrical shock when operating the transducer, certain parts of the module can carry hazardous voltage (eg. primary busbar, power supply). ignoring this warning can lead to injury and/or cause serious damage. this transducer is a build-in device, whose conducting parts must be inaccessible after installation. a protective housing or additional shield could be used. main supply must be able to be disconnected. en 50178 iec 61010-1 dcp , dci , rated isolation voltage nominal voltage single isolation 1000 v 1000 v reinforced isolation 500 v 500 v v w
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 090804/6 dimensions htr 50 to 500-sb (in mm. 1 mm = 0.0394 inch) bottom view front view mechanical characteristics general tolerance 1 mm primary through hole ? 21 mm fastening 2 holes ? 3.2 distance between holes axes 50 x 36 mm or 1 hole ? 3.2 and 1 spigot ? 2.5 distance between hole and sigot axes 36 mm connection of secondary molex 5046-04/ag malting connector provided with the transducer remarks v out is positive when i p fows in the direction of the arrow. the return busbar and primary conductor elbow must be located at least at 2.5 x window length more far away from the transducer case. temperature of the primary busbar cannot exceed 90c. dynamic performances are best with a primary busbar completely flling the primary aperture. this is a standard model. for different versions (supply voltages, different output, unidirectional measurements ...), please contact us. secondary terminals terminal 1 : supply voltage + 12 .. 15 v terminal 2 : supply voltage - 12 .. 15 v terminal 3 : output terminal 4 : 0v remarks: ? vout is positive when ip flows in the direction of the arrow. ? the temperature of the primary busbar can not exceed 90 c ? the return busbar and primary conductor elbow must be located at least at 2,5 x window length more far away from the transducer case. ? dynamic performances are the best with a primary busbar completely filling the primary aperture. ? this is a standard model. for different versions (supply voltages, different outputs, unidirectional measurements...), please contact us. mechanical characteristics: ? general tolerance 1 mm ? primary aperture ? 21 mm ? fastening 2 holes ? 3.2 distance between holes axes: 50 x 36 mm or 1 x hole ? 3.2 and 1 spigot ? 2.5 distance between hole and sigot axes : 36 mm ? secondary connection: molex 5046-04/ag dimensions htr 50 to 500-sb ( in mm, 1 mm = 0.0394 inch ) front view bottom view lem reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. secondary connections: 1: supply voltage +12 .. 15 v 2: supply voltage -12 .. 15 v 3: output 4: 0v
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