LTC600-SF

Current Transducer LTC 600-SF 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 ÎP 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 Ω Ω Ω Ω 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 • Transducer delivered with feet • 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 3) 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 = 25°C @ IPN , TA = - 40°C .. + 85°C Linearity Offset current @ IP = 0, TA = 25°C Thermal drift of IO Response time 4) @ 90 % of IPN di/dt accurately followed Frequency bandwidth (- 1 dB) < ± 0.7 < ± 1.6 < 0.1 Max ± 0.5 ±1 100 DC .. 100 % % % mA mA µs A/µs kHz ε L IO IOT tr di/dt f Applications • AC variable speed drives and servo motor drives - 40°C .. + 85°C General data TA TS RS m Ambient operating temperature Ambient storage temperature Secondary coil resistance @ TA = 85°C Mass Standards 1) 2) 3) 4) • Static converters for DC motor drives • Battery supplied applications • Uninterruptible Power Supplies (UPS) - 40 .. + 85 °C - 45 .. + 90 °C 44 Ω 780 g EN 50155 (01.12.20) • Switched Mode Power Supplies (SMPS) • Power supplies for welding applications. Notes : Between primary and secondary + shield Between secondary and shield Test carried out with a busbar ∅ 40 mm centred in the through-hole With a di/dt of 100 A/µs. 030528/0 LEM Components w w w.lem.com Dimensions LTC 600-SF (in mm. 1 mm = 0.0394 inch) Front view Left view Secondary terminals Terminal + : supply voltage + 15 .. 24 V Terminal M : measure Terminal - : supply voltage - 15 .. 24 V Terminal E : shield Connection or Top view Mechanical characteristics • General tolerance • Fixing the transducer Fastening torque max • Primary through-hole • Connection of secondary Fastening torque max ± 1 mm 4 slots ∅ 6 .5 mm 4 screws M6 5 Nm ∅ 4 2 mm 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 100°C. • 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.