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| Current Transducer LA 100-TP 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 16045 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 Vb @ 100 A max @ 120 A max @ 100 A max @ 150 A max 100 0 .. 150 TA = 70C TA = 85C RM min RM max RM min RM max 0 0 0 0 50 22 110 33 0 0 20 20 42 14 102 25 A A Features * Closed loop (compensated) current transducer using the Hall effect * Printed circuit board mounting * Insulated plastic case recognized according to UL 94-V0. 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 R.m.s. rated voltage 50 mA 1 : 2000 12 .. 15 V 10 (@ 15 V) + IS mA 2.5 kV 600 V 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 X Accuracy @ IPN , TA = 25C L @ 15 V ( 5 %) @ 12 .. 15 V ( 5 %) Linearity Offset current @ IP = 0, TA = 25C Residual current 1) @ IP = 0, after an overload of 3 x IPN Thermal drift of IO - 25C .. + 85C - 40C .. - 25C Reaction time @ 10 % of IP max Response time 2) @ 90 % of IP max di/dt accurately followed Frequency bandwidth (- 1 dB) 0.45 0.70 < 0.15 Max 0.10 0.15 0.05 0.25 0.10 0.50 < 500 <1 > 200 DC .. 200 Typ % % % mA mA mA mA ns s A/s kHz Applications * AC variable speed drives and servo motor drives IO IOM IOT t ra 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 m Ambient operating temperature Ambient storage temperature Secondary coil resistance @ Mass Standards 1) 2) 3) * Power supplies for welding - 40 .. + 85 - 50 .. + 95 120 128 24 EN 50178 C C g applications. TA = 70C TA = 85C 3) Notes : The result of the coercive field of the magnetic circuit With a di/dt of 100 A/s A list of corresponding tests is available 060221/7 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 LA 100-TP Bottom view (in mm. 1 mm = 0.0394 inch) Left view Secondary terminals Terminal Terminal Terminal + : supply voltage + 12 .. 15 V - : supply voltage - 12 .. 15 V M : measure Connection Standard 00 or N SP.. Year Week Front view Mechanical characteristics * General tolerance * Fastening & connection of primary Recommended PCB hole * Fastening & connection of secondary Recommended PCB hole 0.2 mm bus bar 6.4 x 1.6 mm 3.8 mm 3 pins 0.6 x 0.7 mm 0.9 mm Remarks * IS is positive when IP flows in the direction of the arrow. * Temperature of the primary conductor should not exceed 100C. * This is a standard model. For different versions (supply voltages, turns ratios, unidirectional measurements...), please contact us. 060221/7 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 |
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