40A AC/AC Single Phase SSR Solid State Relay With D-74 DIN Rail Type Heatsink Radiator Cooler

3x solid state controller heat sink(thermal grease and screws included). Materials:Aluminum Suitable for:Solid State Relay of 10A,25A,40A. Solid state relays generate more heat, when the load current exceeds 10A, you must match the heat sink and apply heat-conductive silicone grease on the back, more than 60A need to match the strong cooling fan. Package contents 3x aluminum heat sink 6x mini bag of thermal grease 6xscrews Solid state relays not included Excellent Heat Dissipation Performance Can be adapted to solid state relays 10A, 25A, 40A, and can effectively dissipate heat from solid state relays to prevent them from burning up due to high temperatures when they are in operation ★Product Name: Aluminum Heat Sink;Material: Aluminum; Color: Black ★Note:Need to be evenly coated with thermal grease between the solid state relay and the heat sink. ★Package contents: 3x aluminum heat sink,6x mini bag of thermal grease,6xscrews(Solid state relays not included)