Schneider Electric FJA34100 Molded Case Circuit Breaker

Schneider Electric's FJA34100 Molded Case Circuit Breaker is a 100 A, three-pole MCCB designed for 480 V three-phase distribution. As part of the FJA family, this molded-case breaker provides thermal-magnetic protection in a compact form for 480 V networks, with a 3-pole configuration that suits panelboards and distribution panels in commercial and light industrial settings. Identified by the part number FJA34100, this model is part of Schneider Electric's Square D legacy line and is documented alongside related FJA devices such as FJA34070, FJA34080, and FJA34090 in older catalogs and distributor literature. The FJA34100 is a 100 A, 3-phase, 480 V molded case circuit breaker used to protect circuits feeding motors and other three-phase loads in facilities operating on 480 V systems.