Portable ground fault circuit breaker

A portable ground fault circuit breaker including a main housing, charaterised in that an interior housing is further disposed inside said main housing and comprises a base and a base cover;

• said interior housing being fixedly disposed on a circuit board in said main housing via a base leg which is disposed on said base;
• at least two static contact frames with respective static contacts being disposed on said circuit board, wherein said static contacts passes through a top part of said base cover and hangs in said interior housing;
• at least two moving contact sheets which provide moving contacts and are separated by an insulation plate being disposed on an unbalancing moving contact frame in said interior housing respectively, a trip lock being disposed at one end of said moving contact frame, and said trip lock being connected to a fasten lock which functions as a balance and allows said moving contacts to separate from and combine with said static contacts;
• and
• a upper portion of said fasten lock being hung on said base cover through a rotating axle, a lower portion of said fasten lock passing through said base for being in contact with a tripping solenoid disposed at an exterior bottom of said base, said tripping solenoid and a main control circuit disposed on said circuit board being in an electrical connection.