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LC 5A 12V Overcurrent Protection AC Current Detection Sensor Module uses a current transformer to collect the AC signal to achieve the relay over-current signal output within 0-5A. Relay pull while over-current, relay released while not over-current. Users can use the relay COM; NC, NO three ports to control the external circuit on and off, in order to achieve over-current protection.

It has Onboard sampling resistor and precision micro current transformer do accurate sampling for the signal and appropriate compensation, and other functions. The module can measure within 5A current communication, corresponding to output analog quantity can be adjusted.