WESTINGHOUSE 457D454G28 AB TRIP UNIT 800A (GG4)

Description:

The Westinghouse 457D454G28 Trip Unit is used in industrial circuit breaker protection and power distribution systems. Commonly installed in switchgear assemblies, molded case circuit breakers, and industrial electrical distribution equipment in manufacturing and utility facilities. Maintenance teams, OEM operators, and system integrators use this Westinghouse trip unit for breaker maintenance, overload protection replacement, and electrical retrofit projects.

Applications:

The Westinghouse 457D454G28 Trip Unit is designed for industrial electrical protection applications requiring adjustable overload and short-circuit interruption control. Common applications include switchgear systems, industrial breaker assemblies, motor control centers, and heavy-duty power distribution equipment used in processing plants, manufacturing operations, and utility power systems.

Technical Specifications:

• Manufacturer Part Number (MPN): 457D454G28
• Product Type: Trip Unit
• Brand: Westinghouse
• Current Rating: 800A
• Series/Type: AB Trip Unit
• Configuration: GG4
• Function: Overload and short-circuit protection control
• Application Type: Industrial circuit breaker systems
• Mounting Type: Breaker-mounted protection assembly
• Industrial Compatibility: Switchgear, MCC systems, breaker assemblies
• Construction Type: Industrial-duty protection component

Common Replacements:

• Eaton Digitrip RMS 810 Trip Unit
• Westinghouse 457D454G30 Trip Unit
• Cutler-Hammer 1232C89G01 Trip Unit