Certified Square D HDA36045 – 45A 3 Pole Molded Case Circuit Breaker

Delivering 45A of continuous current, the Square D HDA36045 operates as a 3-pole molded case circuit breaker designed for heavy-duty commercial and industrial applications. As part of the PowerPacT H-Frame series, it provides reliable thermal-magnetic long-time and instantaneous (LI) protection. This breaker mounts into Square D I-Line panelboards and switchboards, ensuring a secure and efficient installation process. It serves as a seamless upgrade for the legacy FA36045 model.