Westinghouse 1273C46H01 Yellow Push Button Contact Blcok PB1A

Description:

The Westinghouse 1273C46H01 PB1A is a yellow push button contact block assembly designed for use in Westinghouse PB1A 30.5 mm industrial pushbutton control stations. This component provides manual control and circuit switching functions in industrial automation, motor control, and electrical distribution systems. It is commonly installed in control panels, operator stations, switchgear, and machinery controls where reliable pushbutton operation is required. The yellow operator provides high visibility for machine control and process operation applications.

Applications:

The Westinghouse 1273C46H01 PB1A push button contact block is commonly used in industrial control systems for start/stop functions, machine operation, signaling circuits, and automation controls. It is installed in manufacturing facilities, motor control centers, conveyor systems, process equipment, and electrical control panels where dependable manual circuit control is required. PB1A devices were part of the legacy Westinghouse 30.5 mm pushbutton product line.

Technical Specifications:

• Manufacturer: Westinghouse Electric Corporation
• Part Number: 1273C46H01
• Model: PB1A
• Product Type: Push Button Contact Block Assembly
• Operator Color: Yellow
• Pushbutton Series: PB1A
• Mounting Size: 30.5 mm
• Function: Manual circuit control and switching
• Application: Industrial control and automation systems
• Contact Block Type: Pushbutton contact assembly
• Mounting Type: Panel-mounted operator device
• System Compatibility: Westinghouse PB1A pushbutton stations
• Installation Type: Control panel installation
• Operating Environment: Industrial and commercial electrical applications
• Intended Use: Machine control, signaling, and operator interface functions
• Country of Origin: United States

Common Replacements:

• Eaton 10250T Series Push Button Assembly
• Eaton PB1A Compatible Contact Block
• Schneider Electric Harmony Push Button Contact Block