Current Sensor Module Board, +/-20 Amp, DIN Rail Mount Version. Features： The item provides economical and precise solutions for AC or DC current sensing in industrial, commercial, and communications systems. Typical applications include motor control, load detection and management, switched-mode power supplies, and overcurrent fault protection. The device is not intended for automotive applications. Output voltage proportional to AC or DC currents. High quality PCB housing/carrier, DIN rail mountable - for width 35 / 32 / 15mm rails. DIN mount case can be taken apart for panel mount use. FR-4 fiber glass PCB, dual copper layers. 100% new, never used. Electrical Parameters: Load Maximum Current: ±20A.. Load Frequency Bandwidth: DC ~ 80 kHz. Minimum Isolation Voltage: 2.1 kV(RMS). Sensitivity: 100mV/A. Operating Voltage: Regulated 5VDC, or 8 ~ 35VDC. Operating Current: 20mA(max).