The 100 Amp Outdoor Circuit Breaker and Enclosure provides housing for a circuit breaker installed outside of your home. Constructed with steel and rated NEMA type-3R, this enclosure is ideal for outdoor installations. The included copper buss bar ensures high conductivity for optimal efficiency. With a NEMA type-3R steel enclosure designed for outdoor use and a copper buss bar, this breaker is suitable for service entrance. It meets both UL and ANSI safety requirements and includes a 100 Amp breaker. Closure caps are included, but hubs must be ordered separately.