Current Transducer LA 100-P 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). 16019 Electrical data IPN IP RM Primary nominal r.m.s. current Primary current, measuring range Measuring resistance @ with ± 12 V with ± 15 V ISN KN VC IC Vd 100 0 .. ± 150 TA = 70°C TA = 85°C RM min RM max RM min RM max @ ± 100 A max @ ± 120 A max @ ± 100 A max @ ± 150 A max 0 0 0 0 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 50 22 110 33 0 0 20 20 A A ε Accuracy @ IPN , TA = 25°C @ ± 15 V (± 5 %) @ ± 12 .. 15 V (± 5 %) Linearity L Ω Ω Ω Ω 42 14 102 25 50 mA 1 : 2000 ± 12 .. 15 V 10 (@ ± 15 V) + IS mA 2.5 kV ± 0.45 ± 0.70 < 0.15 Typ Offset current @ IP = 0, TA = 25°C Residual current 1) @ IP = 0, after an overload of 3 x IPN Thermal drift of IO - 25°C .. + 85°C ± 0.05 - 40°C .. - 25°C ± 0.10 IO I OM IOT tra tr di/dt f Reaction time @ 10 % of IPN Response time 2) @ 90 % of IPN di/dt accurately followed Frequency bandwidth (- 1 dB) % % % Max ± 0.10 ± 0.15 ± 0.25 ± 0.50 < 500 <1 > 200 DC .. 200 mA mA mA mA ns µs A/µs kHz Ambient operating temperature Ambient storage temperature Secondary coil resistance @ m Mass Standards 1) 2) 3) 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 • Power supplies for welding TA TS RS Notes : • Printed circuit board mounting • Insulated plastic case recognized (SMPS) General data 3) • Closed loop (compensated) current transducer using the Hall effect Accuracy - Dynamic performance data X Features TA = 70°C TA = 85°C - 40 .. + 85 - 50 .. + 95 120 128 18 EN 50178 : 1997 °C °C Ω Ω g applications. The result of the coercive field of the magnetic circuit With a di/dt of 100 A/µs A list of corresponding tests is available. 060201/8 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. LEM page 1/2 w w w .lem.com Dimensions LA 100-P (in mm. 1 mm = 0.0394 inch) Bottom view Left view Secondary terminals swiss made Terminal + : supply voltage + 12 .. 15 V Terminal - : supply voltage - 12 .. 15 V Terminal M : measure Connection Standard 00 or N ° SP .. Year Week Front view Mechanical characteristics • General tolerance • Primary through-hole • Fastening & connection of secondary Recommended PCB hole Remarks ± 0.2 mm 12.7 x 7 mm 3 pins 0.63 x 0.56 mm 0.9 mm • IS is positive when IP flows in the direction of the arrow. • Temperature of the primary conductor should not exceed 100°C. • Dynamic performances (di/dt and response time) are best with a single bar completely filling the primary hole. • 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. 060201/8 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. LEM page 2/2 w w w .lem.com