Westinghouse PB1B Red Push Button with Contact Block

Description:

The Westinghouse PB1B Red Push Button with Contact Block is used in industrial control and operator interface systems. Commonly installed in control panels, motor control centers, manufacturing equipment, and industrial automation machinery. Maintenance teams and system integrators use this pushbutton assembly for replacement, retrofit projects, preventive maintenance, and industrial control station upgrades.

Applications:

The Westinghouse PB1B push button with contact block is commonly used in manufacturing facilities, industrial automation systems, HVAC equipment, power distribution systems, and motor control applications where reliable manual pushbutton control and dependable normally closed control signaling are critical for safe and continuous electrical operation.

Technical Specifications:

• Brand: Westinghouse
• Part Number: PB1B
• Product Type: Push Button with Contact Block
• Operator Color: Red
• Contact Configuration: 1 Normally Closed (1NC)
• Voltage Rating: 600 Volt
• Mounting Size: 22.5mm
• Model Type: Model B
• Application: Industrial Control and Operator Interface Systems
• Mounting Type: Panel Mount
• Operation Type: Momentary Pushbutton Actuation
• Contact Type: Auxiliary Contact Block
• Compatible Equipment: Motor Starters and Industrial Control Stations
• Terminal Type: Screw Terminal Connections
• Frequency Rating: 50/60 Hz Compatible
• Industrial Duty Rated: Yes

Common Replacements:

• Allen-Bradley 800T-J91A
• Eaton 10250T Pushbutton Assembly
• Schneider Electric Harmony XB4 Pushbutton Assembly