WirthCo 150 amperes Battery Doctor Manual and Switchable Reset Circuit Breakers with Terminal Covers is water resistant and can be either panel or surface mounted. It features 30 Volt DC 3,000 amperes interrupt capacity. The circuit breaker is made of thermoset plastic and complies with SAE Standard JI625. For over 30 years, WirthCo has been a prime manufacturer of practical products for making life easier and safer.