Blue Sea Systems 285 Series 30 Amp Thermal Circuit Breaker 7181Surface mount thermal circuit breaker combines switching & circuit protection into one device. Blue Sea 285 series surface mount circuit breaker 30 amps DC rating Bright yellow reset lever for visual identification of open circuit Ideal for main circuit protection of medium size battery banks Combines switching and circuit protection into a single device Trip-free design cannot be held ON during fault current condition Not to be used where high inrush currents are expected Type III class – switchable/manual reset 48 volts DC maximum voltage 3000 amps interrupt capacity @ 48 volts DC M6 terminal studs accept 1/4 in. ring terminals for heavy duty gauge wire Waterproof for use in areas that may experience water spray Drop in replacement for 185 series circuit breakers 1.895 in. width x 3.2 in. height x 1.24 in. depth SAE J1171 ignition protected – safe for installation aboard gasoline powered boats CE marked IP67 – protected against immersion up to 1 meter for 30 minutes