A Rotary Contact Unit For A Moulded Case Circuit Breaker (Mccb)

Abstract: Described herein is a rotary contact unit [120] for a moulded case circuit breaker (MCCB) [100], wherein the rotary contact unit [120] comprises a rotary member [124], an elongated rotating arm member [126] pivotally mounted on the rotary member [124], and a toggling mechanism [128]. Notably, the toggling mechanism [128] includes: a spring member [128c]; a support member [128b] defining a base portion [128e] positioned on the spring member [128c], and a pair of flanged portions [128g] extending therefrom, each of the pair of flanged portions [128g] defining a semi-circular attachment portion [128d]; and a pin member [127] passing through the semi-circular attachment portion [128d] of the pair of flanged portions [128g] of the support member [128b] and the spring connection portion [126d] of the elongated rotating arm member [126], for enabling toggling of the pin member [127] between the contact position and the non-contact position. Refer figure 3b

Patent Information

Applicants

Inventors

Specification

Documents

Application Documents