Square D FA-34020 I-Line Circuit Breaker 20A 480V 3P

Square D FA34020 I-Line molded case circuit breaker provides 3‑pole protection for 480 V, 3‑phase systems, rated at 20 A. Part of the FA family, this thermal‑magnetic MCCB uses I‑Line plug‑in mounting and ABC phase connections for straightforward installation in Square D I‑Line panels. It features line‑lug and load‑lug terminals for wiring, and is designed to interrupt fault currents up to 18 kA at 480 VAC (25 kA at 240 VAC), with an 80% continuous‑load rating at 40°C ambient. Intended for industrial or commercial power distribution, the FA34020 protects feeders and equipment such as motors and transformers on 480 V circuits, delivering reliable overcurrent protection in a compact, field‑replaceable unit from Square D (Schneider Electric).