Compatible models: the refrigerator overload protector can prevent the compressor in your refrigerator from overheating, to replace part numbers like AP4439459, 1357963, AH3529540, EA3529540, PS3529540, you can check the product description for list of compatible models, please check the model of your refrigerator purchasing to ordering the compatible part. PTC relay: the PTC relay is the universal relay applied on of mini fridges and coolers, saving your time and effort, this item is only compatible with QP2-4.7 one-terminal relay, please do consider this purchasing. Easy to install: refrigerator relay is made of plastic, the overload protector is made of brass, both materials are durable, and rust resistant, also easy to install for direct replacement, which will work and cool air to your refrigerator. Widely applied: 4.7 Ohm 1-pin PTC relay and 6750C-0005P refrigerator overload protector are compatible with mini fridges, compact refrigerators, beverage and beer coolers, freezers, wine refrigerators, widely applied in your life. Colour: As shown Material: plastic Contents: 1 * 4.7 ohm 1-pin PTC relay 1 * 6750C -0005P refrigerator overload protector Only the above content, other are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.