Item Type: Diaphragm Type Pressure Switch Material: Stainless Steel, Rubber Thread Size: 1/2in Maximum Number of Pulses: 200 cycles/min Operating Medium: Compressed air, water Guarantee Level (with sheath): Ip54 Environment and Medium Temperature: - 5 to 60 Maximum Pressure Resistance: 1.0Mpa Rated Current: 500mA Rated Power: 250W Mechanical Life: 1 million weeks Working Pressure: Adjustable Rated Voltage: Less than or equal to (AC220V, AC110V, DC24V, DC12V) Pressure Range: 0.1 to 1Mpa Package List 1 x Diaphragm Type Pressure Switch "NO" is a normally open pressure switch, which is closed when the contact breaking pressure rises to the set value in the initial factory state. 1Insulation Cover: This pressure switch features safer circuit with an external insulating sheath cover. You can choose it with confidence 2Stainless Steel, Rubber Material: Made of premium stainless steel, rubber material, this pressure switch is strong and durable, which ensures a long life span. 3Easy Using: You can adjust the pressure freely with the help of a hex wrench(not included), turn clockwise to increase pressure and counterclockwise to decrease pressure. 4Easy to Install: Comes with a compact size and a light weight as well, the easy installation can be quickly completed. 5Easy Carrying: Comes with a small size, lightweight as well, this pressure control is easy for you to carry around to help with your work.