7440 UL-489 Circuit Breaker - 5A Flat RockerSuitable for use when UL-489 specifications are required (Navy, Army, or Coast Guard vessels, and other vessels covered under CFR 46).Specifications:. Amperage: 5A DC. Actuator Style: Flat Rocker. Poles: 1. Maximum Voltage: 80V DC. Circuit Breaker Type: Magnetic Hydraulic - Trip Free. Terminal Type: #10-32 Screw Tin-Plated Brass. Interrupt Capacity: 10000A