Blue Sea Waterproof DC Circuit Breaker Panel 3 Switch #661-8274 Vertical Mount. Size: 4-1/2"H x 3-3/4"W Designed for flybridge and open cockpit applications. Rated IP66 - "Use on Shipdecks". Installed switch is On/Off. Features push button circuit breakers with waterproof boot, countersunk mounting holes throughout, heavy 1/8" aluminum material, two-part polyurethane Arctic White finish, waterproof contura switches, all components waterproof from panel front, and completely wired and ready to install.