Square D FA-34015 I-Line 3-Phase Circuit Breaker

Square D by Schneider Electric FAL34015 I-Line molded‑case circuit breaker, 15 A, 480 VAC, 3‑pole, part of the FA/I‑Line family. This plug‑on, 3P device uses a thermal‑magnetic trip mechanism for general overcurrent protection in commercial panelboards and switchboards and is designed to fit I‑Line bus assemblies (Frame F). It is rated for 480 VAC systems (50/60 Hz) and carries an interrupting rating of 18 kA at 480 VAC (25 kA at 240 VAC per UL/CSA/NOM listings). The breaker accepts copper or aluminum conductors with terminals sized for 14–4 AWG copper or 12–4 AWG aluminum, and supports 60°C to 75°C conductor terminations. Dimensions are approximately 4.5 in wide, 4.13 in deep, and 6 in high, reflecting a compact FA/I‑Line plug‑on footprint suitable for panel installations. This FA frame device is UL/CSA/NOM listed and intended for use in 240/480 VAC distribution networks, including busway plug‑in configurations in compatible systems.