ABB MB333


The ABB MB333 is a Main Breaker Kit designed to handle 600 amps with a 3-pole configuration. It’s built for use with AQU3 Panel Boards at 208Y/120 volts AC, supporting a 65 kAIC rating, as well as AEU3 Panel Boards operating at 480/277 volts AC with a 25 kAIC rating. Keep in mind that the breaker itself isn’t included with this kit. This reliable component, often referred to by its alternative part number 783175121168, is a solid choice when upgrading or maintaining your panel boards. BSP Automation stocks this ABB kit, making it easy to get your hands on the parts you need without any hassle.
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