Features [Self Resetting Operation] The push button switch features a self resetting function, allowing it to return to its initial state after being pressed, providing convenient start stop control. [Aluminum Alloy Shell] Made of premium aluminum alloy material, the self reset push button switch is sturdy and stable, ensuring long lasting performance. [22mm Hole Opening] With its 22mm hole opening size, this button switch is suitable for various application scenarios, providing versatility in installation options. [Easy Installation and Use] This push button can be easily installed on a wide range of devices, offering convenience in both installation and operation. [Long Life] The button switch has a mechanical life of 2,000,000 times and an electrical life of 500,000 times, ensuring its durability and reliability. Specification: Item Type: Push Button Switch Material: Aluminum Alloy Hole Opening Size: Approx. 22mm/0.87in Operating Temperature: -25℃ to +55℃ Mechanical Life: 2,000,000 Times Electrical Life: 500,000 Times Wiring Method: M3.5 Screw with Square Press Plate Operation Type: Self Resetting Rated Insulation Voltage: 440V Product Voltage: AC240V Package List:10 x Push Button Switch Package List 10 x Push Button Switch