| 摘要 |
A circuit breaker includes first and second terminals structured to electrically connect to a line and a load, respectively, at least one set of separable contacts moveable between a closed position and an open position, a first operating mechanism structured to open one set of separable contacts in response to a detected fault condition on the protected circuit, a second operating mechanism structured to open or close one set of separable contacts in response to an external control signal, a remote operation circuit structured to receive the external control signal and to control the second operating mechanism to open or close based on said external control signal, the remote operation circuit including a power supply structured to convert power from the line and to provide the converted power to the second operating mechanism. |
