7-30V 0-30A DC Current Detection Sensing Module Current Transformer Sensor Current Tester Indicator Overcurrent Protection Relay Module

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This module can detect the DC current value, control the on-off of the relay according to the limit current set by users.
Detection range is DC 0-30A with the accuracy of 0.01A.
Can be used to limit the current in the circuit, protect electrical equipment from damage caused by current.
Can turn off the LED display to reduce power consumption.
With error calibration function.

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