Square D FHL36045 – 45A 3 Pole Molded Case Circuit Breaker Hassle-Free Returns

Part of Square D’s legacy F-Frame series, the FHL36045 serves as a 3-pole, 45A MCCB for industrial distribution. It delivers reliable long-time and instantaneous (LI) thermal-magnetic protection against overcurrents. This unit-mount breaker installs into Square D enclosures and switchboards. When upgrading, it crosses over to the PowerPact HGL36045 (retrofit kit required). Rated 25kAIC at 480VAC, it handles demanding fault currents and includes an HACR rating for HVAC applications.