Cooper Bussmann 'Short Stop' Type 3 manual reset thermal circuit breaker for use in either 12 or 24 volt DC electrical applications. A plastic housing with a pop-out trip mechanism makes these circuit breakers ideal for use in automotive, marine and recreational vehicles. Meets RVIA and S.A.E. J553 specifications. Amperage rating is 20 amps. Hardware included. Right angle integrated mounting bracket.