This Square D (1) FA34040 40A 40 AMP 3-POLE CIRCUIT BREAKER 480VAC 250VDC is a circuit protection device manufactured by Square D. It serves as the protective device in an electrical circuit, stopping current flow when a fault is detected. Key specifications noted on this listing include 480VAC, 250VDC, 40A, 40 AMP. It is commonly in facilities and machinery requiring reliable overcurrent protection.
