Overview: Current Transducer LF 205-S/SP3
For the electronic measurement of currents: DC, AC, pulsed..., with galvanic separation between the primary circuit and the secondary circuit. IP N = 100 A Electrical data IP N Primary nominal RMS current IP M Primary current, measuring range RM Measuring resistance @ with ±12 V @ ±100 A max @ ±200 A max with ±15 V @ ±100 A max @ ±200 A max IS N Secondary nominal RMS current NP/NS UC IC Turns ratio Supply voltage (+5 %) Current consumption @ ±15 V 100 A 0 ... ±200 A TA = 70 °C TA = 85 °C R R R R M min M max M min M max 0 95 15 94 Ω 0 40 15 39 Ω 16 123 47 122 Ω 16 55 47 54 Ω 100 mA 1 : 1000 ±12 ... 15 V 17 + IS mA Accuracy - Dynamic performance data εtot Total error @ IP N, TA = 25 °C εL Linearity error ±0.5 % < 0.1 % Typ Max IO E Electrical offset current @ IP = 0, TA = 25 °C ±0.2 mA IO M Magnetic offset current 1) @ IP = 0 and specified RM, after an overload of 3 × IP N ±0.1 mA IO T Temperature variation of IO −40 °C ... +85 °C ±0.25 ±0.65 mA tD 10 Delay time to 10 % of the final output value for IP N step < 500 ns tD 90 Delay time 2) to 90 % of the final output value for IP N step < 1 µs BW Frequency bandwidth (−3 dB) DC ... 100 kHz General data TA Ambient operating temperature TA st Ambient storage temperature RS Resistance of secondary winding @ TA = 70 °C @ TA = 85 °C m Mass Standards −40 ... +85 °C −40 ... +90 °C 10 Ω 11 Ω 78 g EN 50178: 1997 Notes: 1) The result of the coercive force of the magnetic circuit 2) For a di/dt = 100 A/µs.
