Westinghouse NSB PNO-1 Circuit Breaker Accessories

Description:

The Westinghouse NSB PNO-1 Circuit Breaker Accessories are used in industrial motor control and circuit breaker accessory systems. Commonly installed in motor starters, contactors, industrial switchgear, and power distribution equipment. Maintenance teams and system integrators use these accessories for replacement, retrofit projects, preventive maintenance, and industrial electrical control upgrades.

Applications:

The Westinghouse NSB PNO-1 circuit breaker accessories are commonly used in manufacturing facilities, industrial automation systems, HVAC equipment, power distribution systems, and motor control applications where reliable auxiliary switching and dependable breaker accessory integration are critical for safe and continuous electrical operation.

Technical Specifications:

• Brand: Westinghouse
• Part Number: NSB PNO-1
• Product Type: Circuit Breaker Accessory
• Accessory Type: Auxiliary / Pole Adder Accessory
• Application: Circuit Breaker and Motor Control Expansion
• Compatible Equipment: Westinghouse Circuit Breakers and Motor Starters
• Mounting Type: Internal / Accessory Mount
• Contact Configuration: Auxiliary Switching Contacts
• Voltage Rating: Up to 600 VAC
• Frequency Rating: 50/60 Hz Compatible
• Industrial Duty Rated: Yes
• Compatible Installations: Switchgear, MCCs, and Distribution Panels
• Terminal Type: Screw / Mechanical Connections
• Operating Function: Auxiliary Switching and Breaker Interface Expansion
• Construction Type: Heavy Duty Industrial Control Component

Common Replacements:

• Allen-Bradley 140U Auxiliary Accessory
• Eaton Auxiliary Pole Adder Kit
• Schneider Electric Power Pact Auxiliary Contact Kit