Westinghouse AN21AK Thermal Overload Relay Kit

The Westinghouse AN21AK Thermal Overload Relay Kit delivers dependable thermal protection for industrial motor control, safeguarding automated equipment and production lines from overload conditions. This panel-mounted relay (Size 2) provides primary motor overload protection within industrial motor control systems and is designed for use with motor starters and control panels. Common applications include motor control centers, conveyors, pumps, compressors, HVAC equipment, and manufacturing machinery across commercial and industrial facilities, with maintenance teams, OEM technicians, and system integrators using it for replacement, retrofit, and control-panel upgrades. Manufacturer Part Number AN21AK; Brand Westinghouse; Function Motor Overload Protection; Protection Type Thermal Overload Relay; System Compatibility Motor Starters and Control Panels; Installation Panel Mounted. Common replacements include the Eaton C306 Thermal Overload Relay Kit.