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