A mounting assembly for a circuit breaker mechanism includes a base and a mid-cover disposed adjacent the base. Also included is a first pair of mounting posts comprising a first mounting post and a second mounting post extending from the base, the first pair of mounting posts each protruding through the mid-cover. Further included is a first mount hole defined by the first mounting post and a second mount hole defined by the second mounting post. Yet further included is a first pin extending through the first mount hole, the second mount hole and a circuit breaker mechanism frame to retain the circuit breaker mechanism to the base.