WESTINGHOUSE NB31200WK Molded Case Switch

Description:

The Westinghouse NB31200WK molded case switch is used in industrial power distribution and high-capacity electrical disconnect systems. Commonly installed in switchgear assemblies, large manufacturing equipment, industrial distribution panels, and motor control centers. Maintenance teams and system integrators use this molded case switch for replacement, retrofit projects, preventive maintenance, and heavy-duty electrical system upgrades.

Applications:

The Westinghouse NB31200WK molded case switch is commonly used in manufacturing facilities, industrial automation systems, HVAC equipment, power distribution systems, and motor control applications where reliable high-current disconnect switching and dependable three-phase isolation are critical for safe and continuous electrical operation.

Technical Specifications:

• Brand: Westinghouse
• Part Number: NB31200WK
• Product Type: Molded Case Switch
• Number of Poles: 3 Pole
• Current Rating: 1200 Amp
• Voltage Rating: 600 V
• Interrupt Rating: 30 kA
• Switch Type: Non-Automatic Molded Case Switch
• Mounting Type: Fixed Mount
• Frequency Rating: 50/60 Hz
• Phase Type: Three Phase
• Application: High-Capacity Power Disconnect and Isolation
• Frame Type: Molded Case
• Industrial Duty Rated: Yes
• Compatible Installations: Switchgear and Distribution Panels
• Terminal Type: Mechanical Lug Connections

Common Replacements:

• Eaton NB31200WK
• Square D HJW361200
• Siemens HNF3612S