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Residual Current Device
- Feb 08, 2018 -

Residual Current Device (RCD): Under normal operating conditions, turn on the load and disconnect the current; and when the circuit's residual current reaches its specified value under the specified conditions, causing the contact action and disconnect the main circuit A protector. The residual current device may be a combination of various elements that detect residual current and turn on and off the main circuit current. Residual Current Device (RCD): Under normal operating conditions, turn on the load and disconnect the current; and when the circuit's residual current reaches its specified value under the specified conditions, causing the contact action and disconnect the main circuit A protector. The residual current device may be a combination of various elements that detect residual current and turn on and off the main circuit current.