Westinghouse 1265537-B Thermal Overload Heater Element

The Westinghouse 1265537-B BU-54 Thermal Overload Heater Element provides thermal motor overload sensing and protection for industrial motor control systems. This industrial‑duty heater element is designed for use in motor starters and overload relay assemblies and is commonly employed in manufacturing, HVAC equipment, automation, and machinery controls where reliable overload protection is critical, finished in a silver color. Verified details include Brand: Westinghouse; Part Number BU-54; Reference Number 1265537-B; Product Type: Thermal Overload Heater Element; Function: Thermal motor overload sensing and protection; Compatibility: Westinghouse overload relay assemblies; Usage Environment: Industrial electrical systems; Designed for continuous operation. Common replacements include Allen-Bradley Overload Heater Element, Siemens SIRIUS Heater Element, and Schneider Electric Thermal Overload Heater.