High QualityThe key switch is made of high quality plastic, which is flame retardant and high temperature resistant. Features] This is a 2 position rotary switch, 1NO (normally open) and 1NC (normally closed). Good performance The switch has good insulation performance. Quality assurance, stable and reliable, long service life. [Application] Rotary selectors are widely used to control automatic control circuits such as electromagnetic starters, contactors, and relays.[Function] This selector switch must be fixed on the panel. When the key switch is removed, it cannot be turned.Note, because there may be color and size differences between the light effect photos and the actual product, please allow 1-2 cm errorQuantity: (1 piece) push button switch with key, other products not includedHole size: 22mm (for reference only)Color as shown