This Teco/Westinghouse WESTINGHOUSE 400A CIRCUIT BREAKER 3P 240VAC DK3400 W/ 400A TRIP is a circuit protection device manufactured by Teco/Westinghouse. It provides overcurrent protection, breaking the circuit automatically if current exceeds a safe level. Key specifications noted on this listing include 240VAC, 400A. It is commonly in control panels, switchgear, and machine electrical systems.
