Egis Panel Mount Circuit Breaker Marine Electronic Accessory - Protects Electrical Circuits from short circuit events and over-current loads, preventing wire insulation overheating and subsequent destruction. Automatic Circuit Protection & Manual On/Off Switching combines dual functionality in one reliable and compact solution. Allows for Circuit Isolation and Maintenance of Load Circuits by providing convenient switching and integral circuit protection capable of mounting adjacent to battery systems regardless of the location. Protects electrical circuits from short circuit thermal overloads; Provides robust manual circuit switching for reliable live load switching; Harsh enviroment capable. Sealed, ignition protected, stainless steel self-locking hardware; High voltage rating and short-circuit interrupt current capability protects circuits connected to large series or parallel bettery banks;