models: the refrigerator overload protector can prevent the compressor in your refrigerator from overheating, to replace part numbers like AP4439459, 1357963, AH3529540, EA3529540, PS3529540. PTC relay: the PTC relay is the universal relay applied on various of mini fridges and coolers, saving your time and effort, this item is only with QP2-4.7 one-terminal relay, please do consider this before purchasing. Easy to install: refrigerator relay is made of plastic, the overload protector is made of , both materials are durable, reliable and rust resistant, also easy to install for direct replacement, which will work and restore cool to your refrigerator. Widely applied: 4.7 Ohm 1-pin PTC relay and 6750C-0005P refrigerator overload protector are with mini fridges, compact refrigerators, beverage and beer coolers, deep freezers, wine refrigerators, widely applied in your life. Colour:As shown Material:plastic Package Contents: 4 * 4.7 ohm 1-pin PTC relay 4 * 6750C -0005P refrigerator overload protector Only the above package content, other products 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.