Square D FA34030 is a 3-pole I-Line molded‑case circuit breaker from the FA family, designed for plug‑on installation in Square D I‑Line panelboards and busway systems. It is rated for 30 A at 480 V (50/60 Hz) and uses a thermal‑magnetic trip mechanism to protect three‑phase circuits. The FA34030 provides a standard interrupting rating up to 18 kA at 480 VAC and is intended for use in industrial power‑distribution applications in I‑Line panelboards.
