Schneider Electric FA32100 I-Line Circuit Breaker

Schneider Electric FA32100 I-Line molded-case circuit breaker is a 3-pole, 240 V, 100 A FA-type MCCB designed for use in Square D I-Line panelboards. It provides line-side I-Line plug-on connections and ABC phase terminals with load-side lugs sized for 14-1/0 AWG aluminum or copper conductors, enabling compact, secure installation in 3-phase distribution circuits. The device uses thermal-magnetic protection, delivering overload coordination and short-circuit protection with a standard interrupting capacity of 10 kA at 240 V. The FA32100 is intended for 3-phase, 4-wire systems in commercial and light industrial environments where reliable protection of feeders is required, and it integrates into I-Line layouts to simplify bus-bar arrangements and phase grouping. With a 100 A rated continuous load, this breaker fits standard sized protection for mid-sized feeders and can be substituted into compatible FA family panelboard configurations that accept I-Line plug-on breakers. The FA series from Schneider Electric (Square D) emphasizes modular protection for 3P circuits in industrial control and distribution panels, and the FA32100 specifically supports three-phase circuits at 240 V while maintaining a compact footprint within the panel assembly.