A new type of high safety miniature circuit breaker

Abstract

The utility model discloses a novel high safety miniature circuit breaker relates to circuit breaker technical field, including left casing, right casing and protection clamp, and protection clamp sets up in the one side of left casing and right casing, can press the clamp plate open to press the board, and the protruding block of clamp plate inside is connected with fixed hole and is fixed in the outside of handle with protection clamp, and the handle is protected through protection clamp, avoids the handle of accidental touch and leads to circuit intercommunication or opening, causes the harm to the maintenance personnel, and the inside of right casing is provided with fixed pin and rebound spring, and when opening left casing, fixed pin is pushed out under the elastic force of rebound spring, and when handle is in the disconnected position, the upper end of fixed pin is in abutment with the abutment block, and handle can not rotate at this moment, avoided the circuit breaker when opening because of accidental touch handle and led to the closing, when left casing and right casing are pasted, and left casing extrudes push rod, and push rod promotes the descending of wedge block, and wedge block drives fixed pin to descend, and releases the location of handle.

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