20 Amp AC/DC Magnetic Circuit Breaker | Blue Sea Systems 7212 Blue Sea Systems 20 Amp Ac/Dc Magnetic Circuit Breaker 7212 Black handle single pole circuit breaker with screw terminal connections is used for DC or AC branch circuit protection. A-Series circuit breaker 20 amps AC/DC rating Single pole Black toggle handle Combines switching and circuit protection into a single device Magnetic hydraulic trip-free design cannot be held ON during fault current condition The standard circuit breaker in Blue Sea Systems electrical panels 65 volts DC maximum voltage 250 volts AC maximum voltage #6-32 mounting screws included #10-32 terminal screws 0.630 in. diameter panel hole size for toggle switch 7500 amps interrupt capacity @ 65 volts DC 3000 amps interrupt capacity @ 120 volts AC 3000 amps interrupt capacity @ 250 volts AC Rated for 10,000 switching cycles @ rated amperage and voltage .750 in. width x 2 in. height x 1.64 in. depth Meets ABYC standards CE marked / TUV certified / CSA certified / UL 1077 recognized Replaces Ancor 551520