LF305-S

Current Transducer LF 305-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 = 300 A Preliminary Electrical data IPN IP RM Primary nominal r.m.s. current Primary current, measuring range Measuring resistance with ± 12 V with ± 15 V with ± 20 V ISN KN VC IC Vd @ ± 300 A max @ ± 500 A max @ ± 300 A max @ ± 500 A max @ ± 300 A max @ ± 500 A max 300 0 .. ± 500 RM min RM max 0 0 0 0 15 15 39 12 58 22 93 45 A A Ω Ω Ω Ω Ω Ω Features Closed loop (compensated) 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 mA 1 : 2000 ± 12 .. 20 V 16 (@ ± 20 V) + IS mA 3 kV Accuracy - Dynamic performance data XG ε L 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 dB) ± 0.4 < 0.1 Max ± 0.20 ± 0.08 ± 0.1 ± ...