LEM AHR 1500 B420, Current Sensor

The LEM 1500 A True RMS Signal Conditioner from the AHR Series is a powerful measurement device designed for currents with a nominal value of 1500 A and a measuring range up to 2500 A. It outputs a secondary nominal signal as DC TRMS 4 to 20 mA and is compatible with both AC and DC primary signals. With an external unipolar DC supply voltage range of 20 to 50 V, it operates efficiently across extreme temperatures from -40 °C to 70 °C. Its accuracy is rated at 1%, providing reliable and precise measurements, while the open loop Hall effect technology ensures dependable performance. The device is built for straightforward installation with mounting options on primary fastening panels, making it ideal for demanding electrical applications.

DC + distorted AC waveform currents measurement
True RMS output
Busbar or panel mounting
Split core type
Insulating plastic case recognized according to UL 94-V0