Schneider Electric FH16020A I-Line Circuit Breaker

Schneider Electric's Square D FH16020A is a 20‑amp, 1‑pole molded‑case circuit breaker from the FH family, designed for I‑Line panelboards and switchboards with a 277 VAC rating and a listed 125 VDC capability, featuring a plug‑on I‑Line connection for quick, secure installation. This 1P/1PH device uses thermal‑magnetic trip technology to provide both long‑time and instantaneous protection, with an interrupting rating of 25 kA at 277 VAC (65 kA at 120 VAC) and support for 14‑4 AWG aluminum or copper conductors on the line side. The FH16020A employs line side I‑Line terminals and load‑side Lugs and is part of the standard F‑Frame family that enables reliable plug‑in operation in compatible FH I‑Line panels. UL Listed and CSA Certified, this 20 A, 1P breaker is intended for use in 60 Hz electrical systems within appropriate voltage classes for commercial and light industrial distribution, providing a compact protective device for branch circuits on 277 V circuits.