Square D by Schneider Electric FA14030A2100 is a 1‑pole molded‑case circuit breaker (MCCB) rated for 30 A in 480Y/277 VAC systems. It is part of the FA family and uses a thermal‑magnetic trip mechanism to provide overload and short‑circuit protection. The device carries an 18 kA interrupting rating at 480Y/277 VAC (and 25 kA at 120/240 VAC) and features load‑side lugs that accept 14‑4 AWG aluminum or copper conductors. This FA14030A2100 variant is suitable for industrial or commercial distribution panels requiring reliable 480Y/277 VAC protection along with code‑compliant circuit protection.
