LF1005-S

Current Transducer LF 1005-S 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 = 1000 A Electrical data IPN IP RM Primary nominal r.m.s. current Primary current, measuring range Measuring resistance @ with ± 15 V with ± 24 V ISN KN VC IC Vd @ ± 1000 A max @ ± 1200 A max @ ± 1000 A max @ ± 1500 A max 1000 0 .. ± 1500 TA = 70°C TA = 85°C RM min RM max RM min RM max 0 0 5 5 18 0 7 0 60.5 10 24 10 15 4 57.5 21 A A Features • Closed loop (compensated) current transducer using the Hall effect Ω Ω Ω Ω • 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. 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 200 mA 1 : 5000 ± 15 .. 24 V 20 (@ ± 24 V ) + IS m A 3 kV Accuracy - Dynamic performance data XG ε L Overall accuracy @ IPN , TA = 25°C Linearity Offset current @ IP = 0, TA = 25°C Thermal drift of IO Response time 1) @ 90 % of IPN di/dt accurately followed Frequency bandwidth (- 1 dB) ± 0.4 < 0.1 Typ Max ± 0.4 ± 0.5 % % mA mA µs A/µs kHz Applications • AC variable speed drives and servo motor drives IO IOT tr di/dt f - 10°C .. + 85°C ± 0.3 100 DC .. 150 • 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 @ Mass Standards 2) - 10 .. + 85 - 25 .. + 100 48 51 500 EN 50178 °C °C Ω Ω g • Switched Mode Power Supplies (SMPS) • Power supplies for welding applications. TA = 70°C TA = 85°C Notes : 1) 2) With a di/dt of 100 A/µs A list of corresponding tests is available. 020813/5 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 : supply voltage + 15 .. 24 V : measure : supply voltage - 15 .. 24 V Connection Mechanical characteristics • General tolerance • Transducer fastening Vertical position Fastening torque, maxi or Fastening torque, maxi or Fastening torque, maxi ± 0.5 mm 2 holes ∅ 5 .3 mm 2 M5 steel screws 4 Nm or 2.52 Lb. - Ft. 4 holes ∅ 4 .2 mm 4 M4 steel screws 3.2 Nm or 2.02 Lb. - Ft. 4 holes ∅ 2.25 mm depth10 mm 4 x PT KA30screws long 10 mm 0.9 Nm or 0.57 Lb. - Ft. 4 holes ∅ 5 .3 mm 4 M5 steel screws 4 Nm or 2.52 Lb. - Ft. 4 holes ∅ 2.25 mm depth16 mm 4 x PT KA30screws long 16 mm 1 Nm or 0.63 Lb. - Ft. 40.5 x 40.5 mm Molex 5045-03/AG Remarks • IS i s 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. • Transducer fastening Horizontal position Fastening torque, maxi or • Primary through-hole • Connection of secondary Fastening torque, maxi LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.