Westinghouse FH53 Thermal Overload Relay Element Heater

The Westinghouse FH53 Thermal Overload Relay Element Heater is a Type A heater element designed to deliver reliable thermal overload protection for electric motors in industrial control systems. It is commonly installed in Westinghouse and Cutler Hammer motor starters and overload relay assemblies, and it serves motor overload protection in MCCs, motor starters, and industrial control panels for applications such as conveyors, HVAC equipment, pumps, compressors, and automation machinery. Key specs include Brand: Westinghouse; Part Number: FH53; Heater Type: Type A; Heater Series: FH; Frequency Rating: 50/60 Hz; Installation Type: Overload relay installed; Compatible Equipment: Motor starters and overload relays; Compatible Brand Family: Westinghouse / Cutler Hammer, with common replacements including Eaton FH53, Cutler Hammer FH53, and Siemens Overload Heater Equivalents.