Altech 5A 3 Pole Thermal Magnetic Circuit Breaker, 480Y/277V V-EA. Circuit Breaker Type: MCCB. Reset Actuator Type: Handle. Overall Depth: 74.7mm. Tripping Mechanism: Thermal-Magnetic. Tripping Characteristics: Type D. Breaking Capacity at Maximum Voltage Rating: 10 kA. Overall Length: 93.3mm. Application: AC Discharge Lamps (Ballast), AC General Use, AC Incandescent Lamps (Tungsten), AC Motor Starting, AC Resistance, Across the Line, Heaters and Reactive Loads, High Inrush Motors, Power Supplies, Transformers, UL508 Application. Mounting Style: DIN Rail Mount. Special Features: IP20 Terminal Protection. MPN: 3D5UM