IPN Current Transducer LF 1005-S = 1000 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). Preliminary Electrical data IPN IP RM Primary nominal r.m.s. current Primary current, measuring range Measuring resistance @ with 18 V with 24 V ISN KN VC IC Vd 1000 0 .. 1500 TA = 70C TA = 85C RM min RM max RM min RM max @ 1000 A max @ 1500 A max @ 1000 A max @ 1500 A max 0 0 20 20 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 40 12 66 30 0 0 33 33 37 9 63 33 1) A A * Closed loop (compensated) current transducer using the Hall effect 200 mA 1 : 5000 18 .. 24 V 20 (@ 24 V) + IS mA 3 kV Accuracy - Dynamic performance data XG Overall accuracy @ IPN , TA = 25C Linearity L 0.4 < 0.1 Typ % % Max 0.4 0.5 IO IOT Offset current @ IP = 0, TA = 25C Thermal drift of IO - 10C .. + 85C 0.3 tr di/dt f Response time 2) @ 90 % of IPN di/dt accurately followed Frequency bandwidth (- 1 dB) <1 > 100 DC .. 150 Features * 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 mA mA * AC variable speed drives and servo s A/s kHz * Static converters for DC motor drives * Battery supplied applications * Uninterruptible Power Supplies motor drives (UPS) * Switched Mode Power Supplies General data TA TS RS Ambient operating temperature Ambient storage temperature Secondary coil resistance @ m Mass Standards Notes : 1) 2) 3) (SMPS) TA = 70C TA = 85C 3) - 10 .. + 85 - 25 .. + 100 43 46 500 EN 50178 C C g * Power supplies for welding applications. Measuring range limited to 1400 A max With a di/dt of 100 A/s A list of corresponding tests is available 990526/2 LEM Components w w w .lem.com Dimensions LF 1005-S (in mm. 1 mm = 0.0394 inch) Bottom view Front view Back view Top view Secondary terminals Pin Pin Pin + M - Connection : supply voltage + 18 .. 24 V : measure : supply voltage - 18 .. 24 V Mechanical characteristics * General tolerance * Fastening or or or or * Primary through-hole * Connection of secondary Remarks 0.5 mm 2 holes 6.3 mm 4 holes 5.3 mm 4 holes 4.2 mm 4 x PT KA30 screws depth 10 mm 4 x PT KA30 screws depth 16 mm 40.5 x 40.5 mm Molex 5045-03/AG * IS is positive when IP flows in the direction of the arrow. * Temperature of the primary conductor should not exceed 100C. * Dynamic performances (di/dt and response time) are best with a single bar completely filling the primary hole. * This is a standard model. For different versions (supply voltages, turns ratios, unidirectional measurements...), please contact us. LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.