IEC Supplementary Protector, Amps 63 A, AC Voltage Rating 277/480V AC, Max. AIR Rating 10kA at 277/480V AC, Series EP100, Curve Type B, DC Voltage Rating 110V DC, Number of Poles 3, Phase 3, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style DIN Rail, Meets UL Type UL 1077, Terminal Connection Screw Clamp, Trip Type Thermal Magnetic, Application Commercial, Industrial, Supplementary Protection, Min. Wire Size 14 AWG, Max. Wire Size 4 AWG, Length 3.38 in, Width 2.13 in, Depth 3 in