LF305-S Datasheet | LEM

Features - Closed loop (pensated) current - Insulated plastic case recognized according to UL 94-V0. transducer using the Hall effect 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 150 m A 1 : 2000 ± 12 .. 20 V 16 (@ ± 20 V) + IS m A 3 k V Accuracy - Dynamic performance data ε Overall accuracy @ IPN , TA = 25°C Linearity Offset current @ IP = 0, TA = 25°C Residual current 1) @ IP = 0, after an overload of 3 x IPN Thermal drift of IO - 10°C .. + 70°C Reaction time @ 10 % of IPN Response time 2) @ 90 % of IPN di/dt accurately followed Frequency bandwidth (- 1 d B) ± 0.4 < 0.1 Max ± 0.20 ± 0.08 ± 0.1 ± 0.30 < 500 <1 > 100 DC .. 100 Typ % % m A m A m A ns µs A/µs k Hz Applications - AC variable speed drives and servo - Static converters for DC motor drives - Battery supplied applications - Uninterruptible Power Supplies - Switched Mode Power Supplies - Power supplies for welding (SMPS) applications. (UPS) motor drives IO IOM IOT tra tr di/dt f General data TA TS RS m Ambient operating temperature Ambient storage temperature Secondary coil resistance @ TA = 70°C Mass Standards 3) - 10 .. + 70 - 25 .. + 85 28 95 EN 50178 °C °C Ω g Notes : 1) 2) 3) The result of the coercive field of the magnetic circuit With a di/dt of 100 A/µs A list of corresponding tests is available 991125/1 LEM ponents w w w .lem. Dimensions LF 305-S Bottom view (in mm. 1 mm = 0.0394...