General description The air compressor switch is an automatic pressure switch designed for efficient control of air pressure in various applications. It features a normally closed contact mode and is suitable for use with air pumps. Technical specifications Total dimensions: 82*52*127MM (L*W*H) Nominal voltage: 220/380V Exhaust pipe: 6MM Connector size: British internal thread 1/4 Outer diameter of the decompression port: 9.5MM Maximum current: 20A Working pressure: 5-8KG (90-125PSI) Lifetime: 80,000 cycles