Ground fault detection circuit breaker

A ground fault detection circuit breaker comprising:

• a circuit breaker module, having an input end configured to be coupled to a power supply, an output end configured to be coupled to an electrical load, and a circuit breaker tripping rod, the circuit breaker tripping rod having a first position in a disconnected state and a second position in a connected state, configured to respectively disconnect and connect a power connection between the input end and the output end;
• and
• a ground fault detection drive module, including a housing, a ground fault signal processing assembly, a ground fault signal detection assembly coupled to the ground fault signal processing assembly, and a drive assembly coupled to the ground fault signal processing assembly, wherein the ground fault signal processing assembly, the ground fault signal detection assembly and the drive assembly are disposed in the housing, wherein the drive assembly is configured to drive the circuit breaker tripping rod to move from the second position to the first position in response to control of the ground fault signal processing assembly,
• wherein the drive assembly includes a switch and a tripping coil assembly coupled to each other, wherein the switch is mechanically linked to the circuit breaker tripping rod, and is configured to be in an open state when the circuit breaker tripping rod moves from the first position toward the second position before reaching a first intermediate position, and be in a closed state when the circuit breaker tripping rod moves further and before reaching a second intermediate position.