Features The key switch is a 3 position rotary switch with 1NO(normal open) + 1NC(normal close). Upgrade your industrial electrical controls with this 22mm mount hole key switch, offering a 3 position key operated rotary switch with 2 keys included. Enjoy the assurance of quality with this brand new key switch, featuring good insulation performance and a stable, reliable, and long lifespan design. The key switch has an operating voltage of 220V and an operating current of 5A. The key switch guarantees high performance with its quality assurance, making it the ideal choice for controlling and indicating various industrial applications. Features:1. new and high quality.2. This is a 2 position rotary 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/21Working Voltage: 220VWorking Current: 5ARated Thermal Current: 10AContact Resistance: 20ΩInsulation Resistance: 20MΩ3C Rated Voltage Range: ≥440VMount Hole: 22mmMechanical Life: 5 million timesElectrical Life: 500,000 timesWeight: Approx. 72g/2.5oz PackageList:1 * Key Operated Rotary Switch2 * Keys Package List