Square D FGA34100 is a 3-pole PowerPact molded‑case circuit breaker rated at 100 A for 480Y/277 VAC three‑phase systems. It uses I‑Line plug‑in mounting and a thermal‑magnetic trip for overload and short‑circuit protection, delivering up to 35 kA at 480 V interrupting capacity. This 100 A, three‑pole unit is designed for industrial and commercial distribution panels requiring reliable overcurrent protection in 480Y/277 VAC environments.
