Siemens ED63B045 – 45A 3 Pole Molded Case Circuit Breaker Free Returns

Designed for heavy-duty industrial environments, this 45A thermal-magnetic breaker ensures consistent overcurrent protection across three phases. The bolt-on design integrates seamlessly into Siemens P1, P2, and P3 panelboards, alongside compatible motor control centers. For future upgrades, Siemens notes this model is replaced by the 3VA5145-5EC31-0AA0 with an appropriate mounting kit. It carries a versatile 65kAIC rating at 240V and is fully HACR rated for HVAC equipment applications.