Altech 2A 2 Pole Thermal Magnetic Circuit Breaker, 480Y/277V R. Circuit Breaker Type: MCCB. Reset Actuator Type: Handle. Overall Dimensions: 96.1 x 35 x 83.5mm. Overall Depth: 83.5mm. Terminal Contact Type: Screw. Break Time: Time Delay. Special Features: IP20 Termination Protection, Positive Trip Indicator, Supplementary Protector. Tripping Mechanism: Thermal-Magnetic. Mounting Style: DIN Rail Mount. Application: Appliance Circuit, Appliances, Business Equipment, Control Circuits and Some Electronic Applications, Lighting, Power Supplies, Sensitive Electronics, UL1077 Application, Wiring Protection. MPN: 2BU2R