Patent ID: 8183962

Claim:
A leakage protective plug comprising: a case and electric contacts disposed in the case, wherein: a protective cap is fixed on a top of the case and includes a reset button protective cap and a test button protective cap, the reset button protective cap is interiorly provided with a reset button connected with a push rod, the push rod in order penetrates an electric contact upper panel, an upper spring, an electric contact lower panel and a lower spring, the electric contact upper panel is provided at a right side thereof with a locking member, the locking member is linked with a brake connecting rod which is linked with a brake plate, the brake plate is located at a lower right side of the locking member, below the brake plate are disposed an electromagnet pole shoe, an electromagnet coil, and an electromagnet core, the test button protective cap is interiorly provided with a test button having a test electric contact.