Features: Air compressor pressure switch is an extremely imperative elements as it is used to switch on the energy and to switch off the motor of the compressor. Widely used for pool and spa, anti-skid systems, water pump systems, and dental air compressors etc. It features different diaphragms for compatibility with a wide of fluids, and terminations including a Metri-Pack connector that forms a tight seal when connected. There is a red ON/OFF switch knob. Product Details: Air Compressor Switch Control Best Replacement for your old or broken one! Great switch for miniative compressor and can help to save electric energy! Red ON/ OFF switch knob Easy to install and convenient to use Rated voltage: 220/380V Exhaust pipe: 6MM Contact mode: normally closed Connector size: British 1/4 2 minute internal thread about 12MM Outer diameter of pressure relief port: 9.5MM Maximum current: 20A Working pressure: 5-8KG (90-125PSI) Lifespan: 80000 times Material: Metal+plastic colour: black Package Contents: 1 x Air Compressor Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.