Schneider Electric FA14100B is a 1-pole molded‑case circuit breaker from Square D’s FA family, rated for 480Y/277V and 100A. It features a thermal‑magnetic trip and I‑Line compatible bus connections, with an 18 kA interrupting rating at 480Y/277VAC, making it suitable for protecting feeders and branch circuits in commercial and industrial distribution. Designed for use in 480Y/277V systems, this FA14100B is commonly deployed in power panels and switchgear that require reliable protection for single‑pole circuits.
