Westinghouse 293B301A13A Type TD-5 Time Delay Relay

Description:

The Westinghouse 293B301A13A Type TD-5 Time Delay Relay is used in industrial protection and control systems for precision timing functions, delayed switching operations, and relay-based sequence control in electrical power applications. Commonly installed in switchgear assemblies, substations, generator protection systems, motor control centers, and industrial automation panels requiring dependable time-delay operation and control circuit coordination. Maintenance electricians, protection engineers, and industrial system integrators use this time delay relay for replacement maintenance, relay system upgrades, retrofit projects, and restoration of legacy Westinghouse control and protection systems.

Applications:

The Westinghouse 293B301A13A Type TD-5 time delay relay is commonly used in transmission line protection systems, breaker failure timing circuits, generator control systems, substation relay panels, industrial automation equipment, process control assemblies, and power distribution networks where reliable timing sequences, delayed relay operation, and coordinated protective control functions are required.

Technical Specifications:

• Manufacturer: Westinghouse / Cutler-Hammer
• Part Number: 293B301A13A
• Product Type: Time Delay Relay
• Relay Series: TD-5
• Protective Relay Function: Timing Relay
• Application Type: Industrial protection and control systems
• Timing Range: 0.05 to 30 Seconds (model dependent)
• Electrical Function: Delayed switching and timing control
• System Compatibility: Industrial power distribution and relay systems
• Installation Environment: Switchgear, substations, and control panels
• Industry Use: Utility and industrial electrical protection systems
• Compatible Equipment: Generator, breaker, and protection control circuits
• Mounting Type: Protective relay panel installation
• Technology: Static / Electronic Timing Circuit Design
• Service Application: Replacement and retrofit projects

Common Replacements:

• ABB TD-5 Time Delay Relay
• GE Time Delay Protective Relay
• Siemens Industrial Timing Relay