Egis 40A Surface Mount 87 Series Circuit Breaker [4704-040]40A Surface Mount 87 Series Circuit Breaker This 40A Egis circuit breaker protects electrical circuits from short circuit events and over current loads, preventing wire insulation overheating and subsequent destruction. Applications: Automatic circuit protection and manual on off switching combine dual functionality in one reliable and compact solution Allows for circuit isolation and maintenance of load circuits by providing convenient switching and