CURRENT LIMITING CIRCUIT BREAKER CONTACT ARM CONFIGURATION

摘要

CURRENT LIMITING CIRCUIT BREAKER CONTACT ARM CONFIGURATION A compact circuit breaker utilizing an electronic trip unit for overcurrent determination contains a compact slot motor and a compact arc chute to minimize and control the arc that occurs when the circuit breaker fixed and movable contacts become separated upon intense overcurrent conditions. The fixed contact is arranged on a fixed contact arm that includes an arc runner for rapidly directing the arc into the arc chute.