Best Seller Eaton / Cutler-Hammer FDB3040 – 40A 3 Pole Molded Case Circuit Breaker

Built to handle commercial power demands, this 40A F-Frame breaker provides fixed thermal and magnetic trip functions. The rugged construction ensures consistent performance across industrial environments. Installation requires a bolt-on connection into Eaton Series C or older Westinghouse panelboards. When upgrading, engineers note this model is replaced by the PDG23F0040TFFJ using a retrofit kit. Delivering 14kAIC at 480VAC, the HACR-rated unit features a quick-make, quick-break mechanism.