Bussman MRCB Marine Hi-Amp DC Circuit Breaker, 200 Amp, Surface Mount, Manual Switchable reset, Buss Brand, 48 VDC maximum. Buss part number 187200F CB187F-200. The manual switch lever on this breaker can be used as an on/off switch. Applications: Typically used in DC power systems in marine applications (as a main or branch circuit breaker), truck and bus systems, RV systems, add-on protection for accessories, lift gates, etc. This unit is external ignition protected and weatherproof. Rating:200A, 48VDC. Interrupt Rating: Main Breaker Protection Interrupt Rating (5kA@ 12VDC). Operating Temperature Rating: –40°F (–40°C) to 185°F (85°C). Materials: Black UL-Rated 94V-0 thermoset plastic body. Cover and lever are UL-Rated 94V-0 thermoplastic. Termination: 5/16-18 bolt threaded studs. Ingress Protection Rating: IP66. Features: A manual reset circuit breaker with On-Off switch capability. Compliances: ABYC E-11; CE; SAE J1171 (Ignition Protected).