Duke 5579-2 Infinite Switch 240V

The Duke 5579-2 Infinite Switch 240V is an electrical control component used to regulate heat output in commercial cooking equipment. It allows variable power adjustment to heating elements by cycling voltage to maintain selected temperature levels. The switch is installed in electric ranges, hot plates, and countertop cooking units where accurate heat control is required. It works for the appliance’s temperature control system, translating user settings into power delivery changes for consistent cooking performance. It is used in commercial kitchen construction to support controlled heating during food preparation and service operations.