Westinghouse DA3400WKU-458D0 Molded Case Switch

Description:

The Westinghouse DA3400WK U 400A 250V 3P Molded Case Switch with 458D0 is an industrial power distribution switch used in high-current electrical systems for manual circuit isolation and disconnect operations. Commonly installed in industrial switchgear, motor control centers, manufacturing facilities, and commercial power distribution systems requiring reliable heavy-duty switching capability. Maintenance technicians, electricians, and system integrators use this molded case switch for electrical system maintenance, equipment isolation, and industrial power distribution upgrades.

Applications:

The Westinghouse DA3400WK U molded case switch is designed for industrial power switching and disconnect operations in demanding electrical environments. It is frequently used in manufacturing plants, HVAC electrical systems, motor control systems, process automation facilities, and industrial distribution networks where dependable high-current switching and safe circuit isolation are critical for operational reliability and maintenance safety.

Technical Specifications:

• Brand: Westinghouse
• Part Number: DA3400WK U
• Reference Number: 458D0
• Product Type: Molded Case Switch
• Current Rating: 400 Amp
• Voltage Rating: 250VDC
• Pole Configuration: 3 Pole
• Function: Manual circuit disconnect and isolation
• Application: Industrial power distribution systems
• Suitable For: Switchgear and motor control systems
• Mounting Type: Panelboard or switchgear installation
• Usage Environment: Industrial electrical systems
• Construction: Molded case industrial-duty housing
• Compatibility: Industrial distribution equipment
• Industry Applications: Manufacturing, automation, HVAC, electrical distribution
• Designed For: Continuous industrial operation

Common Replacements:

• Eaton Molded Case Switch
• Siemens Heavy Duty Safety Switch
• Square D PowerPact Switch