LAH100-P_06

Current Transducer LAH 100-P 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). IPN = 100 A 16052 Electrical data IPN IP RM Primary nominal r.m.s. current Primary current, measuring range Measuring resistance @ with ± 12 V 1) 100 0 .. 160 TA = 70°C TA = 85°C RM min RM max RM min RM max A A Features • Closed loop (compensated) current transducer using the Hall effect ISN KN VC IC Vd Ve Vw X @ IPN [± A DC ] 0 63 0 57 @ IPN [A RMS ] 2) 0 11 0 5 with ± 15 V @ IPN [± A DC ] 20 120 45 114 @ IPN [A RMS ] 2) 20 51 45 45 @ IP < IPN 3) Secondary nominal r.m.s. current 50 Conversion ratio 1 : 2000 Supply voltage (± 5 %) ± 12 .. 15 Current consumption 10 (@ ± 15 V)+IS R.m.s. voltage for AC isolation test, 50/60 Hz, 1 mn 5 R.m.s. voltage for partial discharge extinction @ 10 pC > 2 Impulse withstand voltage 1.2/50 µs > 12 Ω Ω Ω Ω mA V mA kV kV kV • Printed circuit board mounting • 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. Accuracy - Dynamic performance data ε L Accuracy 4) @ IPN, TA = 25°C Linearity error Offset current @ TA = 25°C Residual current @ IP = 0, after an overload of 5 x IPN Thermal drift of IO 0°C .. + 70°C - 25°C .. + 85°C Reaction time @ 10 % of IPN Response time 5) @ 90 % of IPN di/dt accurately followed Frequency bandwidth (- 1 dB) ± 0.25 < 0.15 Max ± 0.15 ± 0.10 ± 0.15 ± 0.10 ± 0.40 ± 0.10 ± 0.50 < 200 < 500 > 200 DC .. 200 Typ % % mA mA mA mA ns ns A/µs kHz Applications • AC variable speed drives and servo motor drives IO IOM IOT tr a tr di/dt f • Static converters for DC motor drives • Battery supplied applications • Uninterruptible Power Supplies (UPS) • Switched Mode Power Supplies (SMPS) General data TA TS RS Ambient operating temperature Ambient storage temperature Secondary coil resistance Insulating material group Mass Standards 1) 3) • Power supplies for welding - 25 .. + 85 °C - 40 .. + 90 °C 115 Ω 121 Ω I 24 g EN 50178 : 1997 applications. @ TA = 70°C @ TA = 85°C m Notes : For 10 s, with RM ≤ 25 Ω (VC = ± 15 V) - 2) 50 Hz Sinusoidal The measuring resistance RM min may be lower (see "LAH Technical Information" leaflet) - 4) Without IO & IOM - 5) With a di/dt of 100 A/µs. 0 60303/8 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. page 1/2 LEM w w w .lem.com Dimensions LAH 100-P (in mm. 1 mm = 0.0394 inch) Connection Bottom view Left view Front view Number of primary turns Primary current nominal maximum Nominal output current Turns ratio Primary resistance Primary insertion inductance IPN [ A ] 100 IP [A] 160 ISN [ mA ] 50 KN 1 : 2000 RP [ mΩ ] 0.08 LP 0.007 [ µH ] 1 Mechanical characteristics • General tolerance • Fastening & connection of primary Recommended PCB hole • Fastening & connection of secondary Recommended PCB hole ± 0.2 mm 6 pins 1.4 x 1 mm 2 mm 3 pins 0.7 x 0.6 mm 1.2 mm Remarks • IS is positive when IP flows from terminals "IN" to terminals "OUT". • The jumper temperature and PCB should not exceed 100°C. • This is a standard model. For different versions (supply voltages, turns ratios, unidirectional measurements...), please contact us. 0 60303/8 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. page 2/2 LEM w w w .lem.com