Overview: Current Transducer LAH 50-P
For the electronic measurement of currents: DC, AC, pulsed..., with galvanic separation between the primary circuit and the secondary circuit. IP N = 50 A Electrical data IP N Primary nominal RMS current IP M Primary current, measuring range 1) RM Measuring resistance @ with ±12 V @ IP N [±A DC] @ IP N [A RMS] 2) with ±15 V @ IP N [±A DC] @ IP N [A RMS] 2) IS N Secondary nominal RMS current NP/NSTurns ratio UC Supply voltage (±5 %) IC Current consumption 50 A 0 … ±110 A TA = 70 °C R R M min M max
0 221 TA = 85 °C R R M min M max 0 214 Ω 0 115 0 108 Ω 0 335 0 327 Ω 0 195 0 188 Ω 25 mA 1 : 2000 ±12 … 15 V 10 (@ ±15 V) + IS mA Accuracy - Dynamic performance data εtot Total error 3) @ IP N, TA = 25 °C εL Linearity error ±0.25 % < 0.15 % Typ Max IO Offset current @ IP = 0, TA = 25 °C ±0.15 mA IO M Magnetic offset current @ IP = 0 and specified RM, after an overload of 5 × IP N ±0.10 ±0.15 mA IO T Temperature variation of IO 0 °C … +70 °C ±0.10 ±0.30 mA −25 °C … +85 °C ±0.10 ±0.40 mA tD 10 Delay time to 10 % of the final output value for IP N step 4) < 200 ns tD 90 Delay time to 90 % of the final output value for IP N step 4) < 500 ns BW Frequency bandwidth (‒1 dB) DC ... 200 kHz General data TA Ambient operating temperature ‒25 ... +85 °C TA st Ambient storage temperature ‒40 ... +90 °C RS Resistance of secondary winding @ TA = 70 °C 115 Ω @ TA = 85 °C 121 Ω m Mass 22 g Standards EN 50178: 1997 Notes: 1) During 10 s, with RM ≤ 71 Ω (UC = ±15 V) 2) Sinusoidal wave 50 Hz 3) Without IO & IO M 4) With a di/dt of 200 A/µs.
