WESTINGHOUSE PB1A N.O. Contact Block

Description:

The Westinghouse PB1A N.O. Contact Block is used in industrial control and operator interface systems. Commonly installed in pushbutton stations, motor control centers, manufacturing equipment, and industrial automation panels. Maintenance teams and system integrators use this contact block for replacement, retrofit projects, preventive maintenance, and industrial control station upgrades.

Applications:

The Westinghouse PB1A N.O. contact block is commonly used in manufacturing facilities, industrial automation systems, HVAC equipment, power distribution systems, and motor control applications where reliable normally open contact switching and dependable operator control functionality are critical for safe and continuous electrical operation.

Technical Specifications:

• Brand: Westinghouse
• Part Number: PB1A
• Product Type: N.O. Contact Block
• Contact Configuration: Normally Open (N.O.)
• Application: Operator Interface and Control Switching
• Compatible Equipment: Pushbuttons and Control Stations
• Mounting Type: Operator Mounted
• Contact Type: Auxiliary Contact Block
• Terminal Type: Screw Terminal Connections
• Frequency Rating: 50/60 Hz Compatible
• Phase Compatibility: Industrial Control Circuits
• Industrial Duty Rated: Yes
• Compatible Installations: Industrial Control Panels and MCC Systems
• Operating Function: Control Signal Switching and Contact Expansion
• Typical Use: Pushbutton and Operator Interface Applications

Common Replacements:

• Allen-Bradley 800T-XA
• Eaton 10250T Contact Block
• Schneider Electric Harmony ZBE101