WESTINGHOUSE 293B301A25B TIME DELAY RELAY TD-5 48/125 VDC

Description:

The Westinghouse 293B301A25B 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 with an adjustable timing range of 0.2 to 4 seconds. 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 293B301A25B TD-5 time delay relay is commonly used in transmission line protection systems, breaker failure timing circuits, generator synchronization controls, 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: 293B301A25B
• Product Type: Time Delay Relay
• Relay Series: TD-5
• Timing Range: 0.2 – 4 Seconds
• Voltage Rating: 48/125 VDC
• Relay Function: Timing and Delayed Switching Control
• Application Type: Industrial protection and control systems
• 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: Solid State / Electronic Timing Circuit Design
• Service Application: Replacement and retrofit projects

Common Replacements:

• ABB Time Delay Protective Relay
• GE TD Series Timing Relay
• Siemens Industrial Time Delay Relay