Bussmann UCB-20 Circuit Breaker (, Type I, ATC Footprint Automotive 'Snap-Off' - 20 A), 1 Pack UCB Series Type I ATC Footprint Automotive Circuit Breaker Features 'snap-off' universal blades to fit tight fuse block spacing or recessed fuse terminals 20 Amp, 12 Vdc Automatic Reset - resets automatically but will continue to trip (cycle on and off) until fault is corrected Sold individually