Continental Controls Limited manufactures Off Winding Protector for 120-230 VAC Applications. Continental Controls Limited is an ISO 9001:2000 certified company that supplies electrical protection and control devices. The Off Winding Protector for 120-230 VAC Applications of 3-DN series is specifically made to meet the various applications which operate in wider temperatures and current ranges as compared to the existing ones. It basically caters to products with 120 and 230 VAC applications. It would have extremely high reliability and consistent performance features which would help to protect toroidal transformers.