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| 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 = 70C TA = 85C 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 * 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 L Overall accuracy @ IPN , TA = 25C Linearity Offset current @ IP = 0, TA = 25C 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 s A/s kHz Applications * AC variable speed drives and servo motor drives IO IOT tr di/dt f - 10C .. + 85C 0.3 <1 > 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 g * Switched Mode Power Supplies (SMPS) * Power supplies for welding applications. TA = 70C TA = 85C Notes : 1) 2) With a di/dt of 100 A/s 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 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. * 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. |
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