Altech 500mA 3 Pole Thermal Magnetic Circuit Breaker, 480Y/277V V-EA. Overall Length: 93.3mm. Application: AC Discharge Lamps (Ballast), AC General Use, AC Incandescent Lamps (Tungsten), AC Motor Starting, AC Resistance, Across the Line, High Efficiency Motors, UL508 Application, Which have Exceedingly High Inrush Current. Mounting Style: DIN Rail Mount. Terminal Contact Type: Box Clamp, Ring Tongue Terminal. Break Time: Time Delay. Special Features: IP20 Terminal Protection. Circuit Breaker Type: MCCB. Reset Actuator Type: Handle. Breaking Capacity at Maximum Voltage Rating: 10 kA. Tripping Characteristics: Type E. MPN: 3E05UM