ABB MB334WB

The ABB MB334WB is a main breaker kit designed for heavy-duty applications, providing 400 amps across three poles. It’s built to handle various voltage setups, including 240V AC, 208Y/120V AC, and 480/277V AC, making it a versatile choice for AQU1, AQU3, and AEU3 panel boards. With a robust interrupting rating of 65 kAIC, this breaker kit ensures reliable protection and performance in demanding electrical systems. You can find the MB334WB available through BSP Automation, a trusted source for quality industrial components. This unit, sometimes referred to by its alternate number 783175712991, is a solid, no-nonsense solution for your main breaker needs.