Fan Favorite Siemens 3VA5140-5EC31-0AA0 – 40A 3 Pole Molded Case Circuit Breaker

Delivering medium-tier breaking capacity, this 3-pole 40A MCCB is rated for 35kAIC at 480VAC. The 3VA5140-5EC31-0AA0 utilizes a TM230 thermal-magnetic trip unit, combining fixed overload protection with adjustable short-circuit response. Designed for integration into Siemens P1, P2, and P3 panelboards, it provides a seamless upgrade path for older CED63B040 breakers. This current-limiting, HACR-rated device ensures reliable LI protection for demanding commercial and industrial environments.