Current Transducer LF 2005-S IPN = 2000 A 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). 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 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 2000 0 .. 3000 RM min RM max 0 0 5 5 8 5 29 11 A A * Closed loop (compensated) current 400 mA 1 : 5000 15 .. 24 V 33 (@ 24 V) + IS mA 6 kV Accuracy - Dynamic performance data XG Overall accuracy @ IPN , TA = 25C Linearity L 0.3 < 0.1 Typ IO IOT Offset current @ IP = 0, TA = 25C Thermal drift of IO - 25C .. + 70C tr di/dt f 1) Response time @ 90 % of IPN di/dt accurately followed Frequency bandwidth (- 1 dB) 0.2 % % Max 0.5 0.4 <1 > 50 DC .. 100 mA mA s A/s kHz Notes : Ambient operating temperature Ambient storage temperature Secondary coil resistance @ TA = 70C Mass Standards 2) 1) 2) 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. Applications * AC variable speed drives and servo motor drives * Static converters for DC motor drives * Battery supplied applications * Uninterruptible Power Supplies (UPS) General data TA TS RS m Features * Switched Mode Power Supplies - 25 .. + 70 - 40 .. + 85 25 1.5 EN 50178 C C kg (SMPS) * Power supplies for welding applications. With a di/dt of 100 A/s A list of corresponding tests is available. 020708/5 LEM Components www .lem.com Dimensions LF 2005-S (in mm. 1 mm = 0.0394 inch) Front view Left view Secondary terminals Pin Pin Pin + M - : supply voltage + 15 .. 24 V : measure : supply voltage - 15 .. 24 V Connection Top view Mechanical characteristics Remarks * General tolerance * Fastening transducer * IS is positive when IP flows in the direction of the arrow. * Temperature of the primary conductor should not exceed 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 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. LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.