Crafted Siemens 3VA5450-5EC31-0AA0 – 500A 3 Pole Molded Case Circuit Breaker

Built for commercial and industrial power distribution, this 500A Siemens MCCB utilizes a robust TM230 thermal-magnetic trip unit. The three-pole breaker offers fixed long-time and adjustable instantaneous protection within a 3VA5 600A frame. It mounts into Siemens 3VA panelboards and switchboards, providing a modern upgrade path for systems using older LD63B500 components. This Class M breaker delivers a 35kA interrupting rating at 480VAC. Connection lugs are sold separately.