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 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. . 2. This is a 3 position rotary switch, 1NO (normal open) + 1NC (normal close). 3. Made from high quality plastic, flame retardant and resistant to high temperature. 4. This switch has good insulation performance. 5. Quality assurance, stable and reliable, long lifespan. Specification: Model: LAY37-11Y/21, Working Voltage: 220V, Working Current: 5A, Rated Thermal Current: 10A, Contact Resistance: 20Ω, Insulation Resistance: 20MΩ, 3C Rated Voltage Range: ≥440V, Mount Hole: 22mm, Mechanical Life: 5 million times, Electrical Life: 500,000 times, Weight: Approx. 72g/2.5oz Package List: 1 x Key Operated Rotary Switch, 2 x Keys