Square D FH36100 is an I-Line molded‑case circuit breaker rated for 100 A, 3‑pole, 600 V systems, part of the FH frame with I‑Line plug‑in mounting for quick installation in Square D I‑Line panels. It uses line‑side I‑Line connections and an ABC phase configuration, with load terminals designed for 14‑1/0 AWG aluminum or copper conductors. The thermal‑magnetic trip unit provides protection for motor and general load circuits, and the device is specified for 80% continuous load with a 40 C ambient rating. Interrupting ratings are 18 kA at 600 V, 25 kA at 480 V, and 65 kA at 240 V depending on system voltage.
