What is a Marine Rated Thermal Circuit Breaker? The Marine Rated Thermal Circuit Breaker (MRCB) is designed to safely operate in a marine environment. The Marine Rated Thermal Circuit Breaker is used in DC power systems in marine applications, truck and bus systems, lift gates and add-on protection for accessories. The Marine Breaker is external ignition protected and weatherproof. It has a Type III manual reset mechanism with On-Off Switch capability. The Marine Rated Thermal Circuit Breaker is offered in either surface mount or panel mount versions. The Marine Rated Thermal Circuit Breakers have ampere ratings from 25 to 70 amps and a voltage rating of 48 VDC. The interrupting rating is 1,500 amps at 48 VDC. Marine Rated Thermal Circuit Breakers are ABYC E-11; CE and SAE J1171 (Ignition Protected) compliant.

Bussmann offers Marine Rated Thermal Circuit Breakers.