Disjoncteur de fort calibre et montage d'unité de déclenchement et de dispositifs auxiliaires dans un tel disjoncteur.

摘要

This invention relates to a high ampere-rated circuit breaker (10) which meets the electrical code requirements of the world market. The circuit breaker electronic trip unit (17) is contained within a recess (24) in the circuit breaker cover (15) and is interlocked with the circuit breaker operating mechanism to articulate the operating mechanism upon removal. The accessory units (22) are contained within an adjoining accessory compartment recess (32) within the circuit breaker cover (15). Rejection pins (48) on the accessories (22) insure that the correct accessories (22) are connected within the corresponding accessory compartments (32).