Type 1 auto reset circuit breakers will cycle the circuit breaker until the overload condition is removed. Circuit breaker housing is gray plastic with gold cover. Amperage and voltage ratings are stamped on the cover. Meets SAE J553 specifications for type 1 circuit breakers. Can replace fuses in most ATC fuse blocks. Available in 10 amp, 15 amp, 20 amp, 25 amp, and 30 amp capacities.