Feature: 1. STRONG STABILITY: The XB2 BC31 button switch is made of premium aluminum alloy material, ensuring excellent durability and stability for long term operation. 2. CONVENIENCE: Designed with a 22mm size, this button switch is suitable for various application scenarios. It is easy to install and use, and can be added to various devices without hassle. 3. SELF RESET FUNCTION: The XB2 BC31 push button switch features a self reset function. Once the button is pressed, it automatically returns to its initial state, providing convenience and quick operation. 4. RELIABLE PERFORMANCE: This button switch delivers reliable performance, ensuring smoothly and consistent functionality. It can withstand frequent use and delivers consistent results. 5. VERSATILE APPLICATION: XB2 BC31 button switch is versatile and can be used in a wide range of industries, including industrial automation, machinery, and electrical control systems. It is a reliable and necessary component for various applications. Specification: Item Type: Mushroom Head Button Switch Material: Aluminum Alloy Hole Size: Approx. 22mm / 0.87in Operating Temperature: -25℃ to +55℃ Mechanical Life: 2 million cycles Electrical Life: 500,000 times Connection Mode: M3.5 screw with square press Operation Type: Self reset Rated Insulation Voltage: 440V Product Voltage: AC240V . Package List: 10 x Mushroom Head Button Switch