Top Rated Square D FA24040AB – 40A 2 Pole Molded Case Circuit Breaker

Part of Square D’s legacy F-Frame lineup, the FA24040AB is a 2-pole molded case circuit breaker engineered for commercial and industrial applications. It delivers reliable thermal-magnetic protection with long-time and instantaneous (LI) trip functions. This unit installs into Square D I-Line panelboards and switchboards, utilizing a dedicated AB phase connection. Rated for 40A at 480VAC, it provides an 18kAIC interrupting capacity. Note that this model is replaced by the HDA260401.