Westinghouse FH-21 Thermal Overload Heater Element

Description:

The Westinghouse FH-21 FH21 Missing Screws Z60 is a thermal overload heater element used in industrial motor control and overload protection systems. Commonly installed in Westinghouse and Cutler Hammer motor starters and overload relay assemblies, this heater element provides thermal overload protection for electric motor applications. Maintenance teams, OEMs, and electrical integrators use this component for replacement, retrofit upgrades, and maintenance of industrial motor control equipment. The unit is noted as missing mounting screws and marked with Z60 condition notation.

Applications:

The Westinghouse FH21 thermal overload heater element is commonly used in industrial motor starters, magnetic contactors, overload relays, and motor control centers where accurate motor overload protection is required. It is suitable for conveyor systems, HVAC equipment, pumps, compressors, automation machinery, industrial processing systems, and other motor-driven applications requiring dependable thermal overload protection.

Technical Specifications:

• Brand: Westinghouse
• Part Number: FH21
• Alternate Part Number: FH-21
• Product Type: Thermal Overload Heater Element
• Heater Series: FH
• Application: Motor overload protection
• Function: Thermal overload relay heater element
• Compatible Equipment: Motor starters and overload relays
• Industrial Use: Motor control systems
• Installation Type: Overload relay installed
• Typical Installation: MCCs, motor starters, industrial control panels
• Protection Type: Thermal overload protection
• Condition Notes: Missing screws, Z60 condition notation
• Compatible Brand Family: Westinghouse / Cutler Hammer

Common Replacements:

• Eaton FH21
• Cutler Hammer FH21
• Siemens Overload Heater Equivalent