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| Datasheet File OCR Text: |
| Current Transducer LF 2005-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 = 2000 A 16103 Electrical data IPN IP RM Primary nominal r.m.s. current Primary current, measuring range @ 24 V Measuring resistance with 15 V with 24 V ISN KN VC IC Vd @ 2000 A max @ 2200 A max @ 2000 A max @ 3000 A max 2000 0 .. 3000 RM min RM max 0 0 5 5 8 5 29 11 A A Features * Closed loop (compensated) current transducer using the Hall effect * Insulated plastic case recognized according to UL 94-V0. 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 400 mA 1 : 5000 15 .. 24 V 33 (@ 24 V) + IS mA 6 kV 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 L Overall accuracy @ IPN , TA = 25C Linearity error Offset current @ IP = 0, TA = 25C Thermal drift of IO - 25C .. + 70C Response time 1) @ 90 % of IPN di/dt accurately followed Frequency bandwidth (- 1 dB) 0.3 < 0.1 Typ Max 0.5 0.4 % % mA mA s A/s kHz IO IOT tr di/dt f Applications * AC variable speed drives and servo motor drives 0.2 <1 > 50 DC .. 100 * 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 = 70C Mass Standards 2) - 25 .. + 70 - 40 .. + 85 25 1.5 EN 50178 C C kg * Switched Mode Power Supplies (SMPS) * Power supplies for welding applications. Notes : 1) 2) With a di/dt of 100 A/s A list of corresponding tests is available. 060425/6 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. Page 1/2 LEM w w w .lem.com Dimensions LF 2005-S Front view (in mm. 1 mm = 0.0394 inch) Left view Secondary terminals Pin Pin Pin + M : supply voltage + 15 .. 24 V : measure : supply voltage - 15 .. 24 V Connection Top view Mechanical characteristics * General tolerance * Fastening transducer Flat or vertical position Fastening torque * Primary through-hole * Connection of secondary 0.5 mm 4 holes 6.5 mm 4 screw M6 steel 5.5 Nm or 4.05 Lb. - Ft. 60.5 x 60.5 mm S3P-VH 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. 060425/6 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. Page 2/2 LEM w w w .lem.com |
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