Square D FJA34040 – 40A 3 Pole Molded Case Circuit Breaker Hot Deal

Engineered for robust commercial applications, the Square D FJA34040 is a 3-pole, 40A molded case circuit breaker. It features fixed thermal-magnetic trip units providing long-time and instantaneous (LI) protection for industrial electrical systems. This legacy F-frame breaker mounts into standard Square D I-Line panelboards and switchboards using a plug-on connection. Rated for 65kAIC at 480VAC, it is an exact replacement for older installations and can be substituted with the HJA36040.