Schneider Electric Square D FA14100C Circuit Breaker

The Schneider Electric Square D FA14100C is a gray-label, 1-pole molded-case circuit breaker rated for 100 A in 480Y/277 VAC systems, with a 125 VDC rating for control circuits. Built for overload and short-circuit protection in commercial and industrial panelboards, it uses thermal-magnetic trip technology and accepts 14–1/0 AWG aluminum or copper conductors. The FA14100C features an I-Line line-side connection with load-side lugs and is rated for 80% continuous operation; its interrupting capacity is up to 18 kA at 480Y/277 VAC and up to 25 kA at 120/240 VAC depending on system conditions. This unit is part of Schneider Electric's FA family, providing compact, field-serviceable protection for feeders and branch circuits within distribution systems that operate at high voltage (480Y/277 VAC) or DC control circuits up to 125 VDC.