Westinghouse WB53FJ Nema Size 5 Standalone Overload 270A 600V 60HZ

Description:

The Westinghouse WB53FJ Standalone Overload Relay is used in industrial motor control and overload protection systems requiring reliable protection for high-current motors and heavy electrical loads. Commonly installed in motor starter assemblies, conveyor systems, HVAC equipment, pump control panels, and industrial processing machinery operating in demanding industrial environments. Maintenance teams, OEMs, and system integrators use this part for overload relay replacement, motor protection upgrades, control panel retrofits, and restoration of NEMA motor starter systems during repair and expansion projects.

Applications:

The Westinghouse WB53FJ standalone overload relay is used in industrial motor control circuits requiring dependable overload protection for heavy-duty motors and connected electrical equipment. It is commonly applied in manufacturing facilities, mining operations, water treatment systems, conveyor systems, HVAC installations, and industrial automation panels utilizing NEMA motor starter configurations.

Technical Specifications:

• Manufacturer Part Number (MPN): WB53FJ
• Product Type: Standalone Overload Relay
• Brand: Westinghouse
• NEMA Size: Size 5
• Current Rating: 270A
• Voltage Rating: 600V
• Frequency Rating: 60Hz
• Application: Motor Overload Protection
• Configuration: Standalone Unit
• Mounting Type: Panel Mount
• Compatibility: NEMA Motor Starter Systems
• Industrial Use: Heavy-Duty Motor Control Applications

Common Replacements:

• Westinghouse WB53FK Standalone Overload Relay
• Eaton AN56KN0 Size 5 Overload Relay
• Allen-Bradley 592-EOV16 Overload Relay