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| Current Transducer LTC 600-T 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 = 500 A Electrical data IPN IP IP RM Primary nominal r.m.s. current Primary current, measuring range @ 24 V Max overload not measurable Measuring resistance with 15 V with 24 V ISN KN VC IC Vd Ve @ 500 A max @ 1200 A max @ 500 A max @ 1500 A max 500 A 0 .. 1500 A 10 / 10 kA/ms RM min RM max 0 0 0 0 70 5 150 20 mA V mA kV kV kV Features * Closed loop (compensated) current transducer using the Hall effect * Insulated plastic case recognized according to UL 94-V0 * Railway equipment. 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. voltage for partial discharge extinction 100 1 : 5000 15 .. 24 < 30 (@24V) + IS 13.4 1) 1.5 2) > 2.8 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 XG Overall accuracy @ IPN , TA = 25C @ IPN , TA = - 40C .. + 85C Linearity error Offset current @ IP = 0, TA = 25C Thermal drift of IO Response time 3) @ 90 % of IPN di/dt accurately followed Frequency bandwidth (- 1 dB) < 0.7 < 1.6 < 0.1 Max 0.5 1 <1 > 100 DC .. 100 % % % mA mA s A/s kHz L Applications * AC variable speed drives and servo motor drives IO IOT tr di/dt f - 40C .. + 85C * Static converters for DC motor drives * Battery supplied applications * Uninterruptible Power Supplies (UPS) General data TA TS RS m Ambient operating temperature Ambient storage temperature Secondary coil resistance @ TA = 85C Mass Standards 1) 2) 3) * Switched Mode Power Supplies (SMPS) - 40 .. + 85 C - 45 .. + 90 C 44 1270 g EN 50155 (01.12.20) * Power supplies for welding applications. Notes : Between primary and secondary + shield Between secondary and shield With a di/dt of 100 A/s. 040430/2 LEM Components w w w.lem.com Dimensions LTC 600-T Front view (in mm. 1 mm = 0.0394 inch) Left view Secondary terminals Terminal Terminal Terminal Terminal + M E : : : : supply voltage + 15 .. 24 V measure supply voltage - 15 .. 24 V shield Connection or Top view Mechanical characteristics * General tolerance * Fixing the transducer 1 mm 2 holes 13 mm or by the primary bar 2 steel screws M12 24.5 Nm M5 threaded studs 2.2 Nm or 1.62 Lb.-Ft. Faston 6.3 x 0.8 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. Recommended fastening torque * Connection of secondary Recommended fastening torque LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. |
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