ABB / General Electric TLB434400 – 400A 3 Pole Molded Case Circuit Breaker Must Have

Part of GE’s Tri-Break series, this 400A molded case circuit breaker provides long-time and instantaneous (LI) protection for industrial motor control applications. The unit mount MCCB installs into compatible GE switchboards and motor control centers. Note that this TB frame breaker is replaced by the ABB Tmax XT5, which requires a retrofit kit. Rated 50 kAIC at 480VAC, the TLB434400 features an integrally fused, current-limiting design to minimize fault damage.