A Tripping Actuation Arrangement For An Actuator Assembly Of A Molded Case Circuit Breaker

Abstract: Described herein is a tripping actuation arrangement [200] for an actuator assembly [112] of an MCCB [100], comprising at least one trip actuation arm [202] defines a tripping accessory engagement portion [204f, 206f], and a trip bar engagement portion [204h, 206h]. Notably, upon engagement of the tripping accessory engagement portion [204f, 206f] with at least one tripping accessory, the at least one trip actuation arm [202] is resiliently and slidably adjusted relative to the at least one of the pair of side frame members [124], enabling engagement of the trip bar engagement portion [204h, 206h] with the trip bar [122], thereby causing tripping of the MCCB [100]. Refer Figure 4a.

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