Features Reliable Mean: The 2 position key-operated switch is primarily designed for controlling electrical circuits in a variety of industrial and commercial applications, providing a reliable and precise means of switching power on and off. Exceptional Operation: the key operated switch incorporates a smooth rotating mechanism and a convenient key lock system, allowing users to quickly and effortlessly toggle between positions, enhancing operational efficiency. Wide Compatibility: With key switch's universal 22mm mounting diameter the LAY37-11Y/21 switch boasts broad applicability, making it suitable for installation in diverse environments and applications. Robust Safety: As the 2 position key operated switch incorporates robust materials and a secure locking mechanism to prevent unauthorized access and ensure that the switch remains in the desired position, minimizing the chance of accidental operation or electrical hazards. Reliability and Durability: The key operated switch is designed to withstand the rigors of daily use, ensuring long-term reliability and durability, further enhancing its overall value and appeal for a wide array of users. Spec: Features: 1. 100% and high quality. 2. This is a 2 position switch, 1NO(normal open) + 1NC(normal close). 3. Adopt high quality plastic, flame retardant and resistant to high temperature. 4. This switch had good insulation performance. 5. Quality assurance, stable and reliable, long lifespan. Specification: Model: LAY37-11Y/21 Working Current: 5A Rated Thermal Current: 10A Resistance: 20Ω Insulation Resistance: 20MΩ Mount Hole: 22mm Mechanical Life: 5 million times Electrical Life: 500,000 times Weight: Approx. 72g/2.5oz Package List: 1 * Key Operated Switch 2 * Keys Package List