Square D FA34015 I-Line 3Phase Circuit Breaker

Square D FA34015 I-Line 3-Pole molded‑case circuit breaker delivers 15 A of overload and short‑circuit protection for three‑phase 480 V systems, with a 240/480 VAC, 50/60 Hz rating and an 18 kA short‑circuit interrupting rating at 480 VAC. Built on the FA frame, this thermal‑magnetic I‑Line MCCB uses plug‑on mounting for straightforward installation in Square D/Schneider Electric panelboards and switchboards, and accepts 14–4 AWG copper or 12–4 AWG aluminum conductors on the load terminals. The device measures about 4.5 in wide, 4.13 in deep, and 6 in high, and is designed for 3‑pole configurations, providing reliable protection in industrial and commercial distribution applications such as feeders to motors, contactors, or downstream distribution blocks.