Patent ID: 9058952
Filing Date: 2015-06-16
Classification: H01H,H02H

Abstract:
1. An intelligent magnetic-hold miniature circuit breaker, comprising a casing, a magnetic-hold relay, a drive circuit, a central processor, a communication chip, a mutual inductance module, and a current conditioning circuit, said drive circuit being in communication with said magnetic-hold relay which comprises a dynamic spring assembly having an extension wire, a static spring assembly, a deflector rod, a pushing piece, and a magnetic steel assembly, said communication chip being connected to said central processor which is connected to said drive circuit to transmit control signals to said drive circuit, said mutual inductance module being installed on said extension wire of said dynamic spring assembly, said current conditioning circuit being connected to said central processor and said mutual inductance module, and said magnetic-hold relay being controlled by said central processor via said drive circuit according to current state signals received from said current conditioning circuit to realize overload protection.