Square D HJA36045 – 45A 3 Pole Molded Case Circuit Breaker Best Seller

Designed for heavy-duty commercial systems, the Square D HJA36045 is a 3-pole, 45A PowerPacT H-Frame MCCB. It provides long-time and instantaneous (LI) protection. This 80% rated breaker mounts into standard I-Line panelboards. It serves as an ideal upgrade for legacy FA36045, FC36045, and FH36045 models. Featuring a 65kAIC rating at 480VAC, the current-limiting MCCB utilizes fixed thermal and fixed magnetic trip settings. It fully supports reverse feed applications.