Westinghouse 398879 Hagan Relay Card

Description:

The Westinghouse 398879 Hagan Relay Card is an industrial electronic relay interface board used in Westinghouse automation, drive control, and process control systems. Identified in Hagan control system documentation as Relay Card 4, it provides relay-based signal switching, control logic interfacing, and output control functions within larger industrial control architectures. The board is commonly found in legacy Westinghouse/Hagan control systems used in manufacturing, process automation, and industrial machinery applications.

Applications:

The Westinghouse 398879 relay card is commonly used in industrial control panels, automation systems, process control equipment, drive systems, manufacturing machinery, and OEM control cabinets where relay-based signal isolation, output switching, and control logic functions are required for system operation. Similar Hagan relay cards were utilized as modular components within larger Westinghouse control platforms.

Technical Specifications:

• Manufacturer: Westinghouse / Hagan
• Part Number: 398879
• Product Type: Relay Card / Relay Board
• Board Designation: Relay Card 4
• Application Type: Industrial Automation and Control Systems
• Function: Relay switching and control logic interfacing
• Board Type: Electronic Relay Interface PCB
• System Compatibility: Westinghouse Hagan Control Systems
• Electrical Function: Signal routing and output control
• Installation Environment: Industrial control cabinets and automation panels
• Industry Use: Manufacturing and process automation
• Compatible Equipment: Industrial controllers and monitoring systems
• Mounting Type: Plug-in circuit board assembly
• Technology Type: Relay-based control electronics
• Service Application: Replacement and retrofit projects
• Equipment Category: Industrial Control PCB Hardware

Common Replacements:

• Eaton Relay Interface Board
• Cutler-Hammer Relay Control Card
• Allen-Bradley Relay Output Module