Square D FH36030U Three-Phase Circuit Breaker

Square D by Schneider Electric FH36030U molded‑case circuit breaker provides 30 A, three‑pole protection in an FH (I‑Line) frame for 600 VAC three‑phase systems. Designed for plug‑on mounting in FH panelboards and switchboards, it features line‑side I‑Line connections and ABC phase terminals, with load‑side lugs sized for #12–#4 AWG aluminum or #14–#4 AWG copper conductors. The device is 4.50 in wide, weighs about 6.36 lb, and uses a thermal‑magnetic trip mechanism with an 80% rated continuous load setting. It carries an 18 kA short‑circuit rating at 600 VAC, and is UL Listed and CSA Certified for North American installations. Suitable for use with I‑Line panelboards and switchboards, the FH36030U is a robust choice when a 30 A, 3P breaker is required in 600 VAC service.