30LK-3

Heavy-duty industrial 3-pole field modification thermal overload relay conversion kit engineered to update legacy Westinghouse contactors and motor starters, specifically sized to interface with NEMA Size 3 electrical controls. Equivalents: Eaton 30LK-3, Westinghouse 30LK3, Cutler-Hammer 30LK-3. Real-Life Examples: Municipal water pumping station motor starters, heavy industrial ventilation fan arrays, and facility automation electrical sub-panels. [1]