The ABB TMP3BT12RAR is a robust main breaker module designed for modular metering applications. This 3-phase, 4-wire unit supports both 120/240V AC and 208Y/120V AC systems, delivering up to 1400 amps with a 100 kA interrupting rating. It comes equipped with a breaker included and features line and load lugs that accommodate conductors ranging from 500 to 1000 MCM, making it super versatile for heavy-duty setups. The top-feed design and built-in arc reduction add layers of safety and reliability. Distributed by BSP Automation, this breaker module is a solid choice when you need dependable performance with a no-nonsense approach.