Westinghouse DK3400W Molded Case Circuit Breaker

The Westinghouse DK3400W Molded Case Circuit Breaker is a 400 A, 240 V, 3-pole unit built for industrial power distribution and motor control. It employs a KT3400T thermal-magnetic trip unit to provide overload and short-circuit protection. Designed for panelboard installation, this breaker is commonly used in motor control centers, manufacturing equipment, HVAC systems, conveyors, and other three-phase distribution panels where dependable three-phase protection is critical. Key specifications include: Brand Westinghouse; Part Number DK3400W; Trip Unit Part Number KT3400T; Product Type Molded Case Circuit Breaker; Current Rating 400 A; Voltage Rating 240 V; Pole Configuration 3 Pole; Phase Configuration 3 Phase; Mounting Type Panelboard breaker installation; Usage Environment Industrial electrical systems; Designed for continuous industrial operation.