Shop Now Siemens 3VA5212-5EF31-0AA0 – 125A 3 Pole Molded Case Circuit Breaker

Engineered for commercial and industrial applications, this 3-pole, 125A molded case circuit breaker provides reliable line protection. It utilizes a TM240 thermal-magnetic trip unit with adjustable overload and short-circuit settings to accommodate specific system requirements. Designed as a replacement for legacy FXD63B125 breakers, it installs into Siemens P2 and P3 panelboards, switchboards, and enclosures. Rated at 35 kAIC at 480V, it features a 250A frame and HACR certification.