Current Transducer LB 100-S/SP3 IPN = 100 A For the electronic measurement of currents : DC, AC, pulsed..., with a galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit). Features Electrical data · Closed loop (compensated) current IPN IP RM Primary nominal r.m.s. current Primary current, measuring range Measuring resistance with ± 15 V ISN KN VC IC Vd @ ± 100 A max @ ± 200 A max Secondary nominal r.m.s. current Conversion ratio Supply voltage (± 5 %) Current consumption R.m.s. voltage for AC isolation test, 50 Hz, 1 mn 100 0 .. ± 200 RM min RM max 0 0 85 30 100 1 : 1000 ± 15 20 + IS 5 1) A A according to UL 94-V0. W W mA V mA kV Accuracy - Dynamic performance data e X Accuracy @ IPN, TA = 25°C Linearity IO IOT Offset current @ IP = 0, TA = 25°C Thermal drift of IO + 10°C .. + 50°C Max ± 0.4 ± 0.35 ± 0.4 tr di/dt f Response time 2) @ 90 % of IPN di/dt accurately followed Frequency bandwidth (- 1 dB) Zero crossing distortion <1 > 50 DC .. 150 negligeable L ± 0.5 < 0.1 transducer using the Hall effect · Insulated plastic case recognized % % Typ mA mA µs A/µs kHz Special features · VC = ± 15 (± 5 %) V · Better zero crossing performance · TA = + 10°C .. + 50°C · Potted. 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 General data TA TS RS m Notes : Ambient operating temperature Ambient storage temperature Secondary coil resistance @ TA = 50°C Mass Standards 3) 1) 2) 3) + 10 .. + 50 - 25 .. + 85 25 180 EN 50178 °C °C W g · Static converters for DC motor drives · Battery supplied applications · Uninterruptible Power Supplies (UPS) · Switched Mode Power Supplies (SMPS) · Power supplies for welding applications · HVDC transmisions. Between primary and secondary. With a di/dt of 100 A/µs A list of corresponding tests is available. 990723/1 Dimensions LB 100-S/SP3 (in mm. 1 mm = 0.0394 inch) Front view Left view Secondary terminals Terminal + : supply voltage + 15 V Terminal M : measure Terminal - : supply voltage - 15 V Connection Top view Mechanical characteristics · General tolerance · Fastening · Primary through-hole · Connection of secondary Remarks ± 0.3 mm 4 holes Æ 4.3 mm Æ 15 mm Faston 6.3 x 0.8 mm · IS is positive when IP flows in the direction of the arrow. · Temperature of the primary conductor should not exceed 70°C. · Dynamic performances (di/dt and response time) are best with a single bar completely filling the primary hole. LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.