page 1/3 27january2016/version 12 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice www.lem.com i pn = 100 a features closed loop (compensated) current transducer using the hall effect insulated plastic case recognized according to ul 94-v0. advantages excellent accuracy very good linearity low temperature drift optimized response time wide frequency bandwidth no insertion losses high immunity to external interference current overload capability. applications ac variable speed drives and servo motor drives static converters for dc motor drives battery supplied applications uninterruptible power supplies (ups) switched mode power supplies (smps) power supplies for welding applications. application domain industrial. current transducer la 100-p for the electronic measurement of currents: dc, ac, pulsed..., with galvanic separation between the primary circuit and the secondary circuit. electrical data i pn primary nominal rms current 100 a i pm primary current, measuring range 0 ... 150 a r m measuring resistance @ t a = 70 c t a = 85 c r m min r m max r m min r m max with 12 v @ 100 a max 0 50 0 42 ? @ 120 a max 0 22 0 14 ? with 15 v @ 100 a max 0 110 20 102 ? @ 150 a max 0 33 20 25 ? i sn secondary nominal rms current 50 ma k n conversion ratio 1 : 2000 u c supply voltage (5 %) 12 15 v i c current consumption 10 (@ 15 v) + i s ma accuracy - dynamic performance data x accuracy @ i pn , t a = 25 c @ 15 v (5 %) 0.45 % @ 12 15 v (5 %) 0.70 % l linearity error < 0.15 % typ max i o offset current @ i p = 0, t a = 25 c 0.10 ma i om magnetic offset current 1) @ i p = 0 and specifed r m , after an overload of 3 i pn 0.15 ma i o t temperature variation of i o ?25 c +85 c 0.05 0.30 ma ?40 c ?25 c 0.10 0.50 ma t ra reaction time < 500 ns t r step response time 2) to 90 % of i pn < 1 s d i/ d t d i /d t accurately followed > 200 a/s bw frequency bandwidth (?1 db) dc 200 khz general data t a ambient operating temperature ?40 +85 c t s ambient storage temperature ?40 +90 c r s resistance of secondary winding @ t a = 70 c 120 ? @ t a = 85 c 128 ? m mass 18 g standards en 50178: 1997 ul 508: 2010 notes : 1) result of the coercive feld of the magnetic circuit 2) with a d i /d t of 100 a/s. n 97.09.34.000.0
page 2/3 27january2016/version 12 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice www.lem.com current transducer la 100-p insulation coordination u d rms voltage for ac insulation test, 50 hz, 1 min 2.5 kv ? w impulse withstand voltage 1.2/50 s 4.5 kv min d cp creepage distance 3.8 mm d ci clearance 3.8 mm cti comparative tracking index (group i) 600 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 safety this transducer must be used in limited-energy secondary circuits according to iec 61010-1. 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 d cp , d ci , ? w rated insulation voltage nominal voltage basic insulation 300 v 300 v reinforced insulation 150 v 150 v
page 3/3 27january2016/version 12 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice www.lem.com dimensions la 100-p (in mm) mechanical characteristics general tolerance 0.2 mm primary through-hole 12.7 7 mm fastening & connection of secondary 3 pins 0.6 0.7 mm recommended pcb hole ? 1.2 mm remarks i s is positive when i p fows in the direction of the arrow. temperature of the primary conductor should not exceed 100 c. dynamic performances (d i /d t and response time) are best with a single bar completely flling the primary hole. installation of the transducer must be done unless otherwise specifed on the datasheet, according to lem transducer generic mounting rules. please refer to lem document nane120504 available on our web site: products/product documentation . in order to achieve the best magnetic coupling, the primary windings have to be wound over the top edge of the device. this is a standard model. for different versions (supply voltages, turns ratios, unidirectional measurements...), please contact us. d cl d cp d cl d cp connection d cl d cp
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