Features:Model:QPM11-NC/QPM11-NOUse medium: airWorking Form: Pressure AdjustableInstallation Connection: external threadPressure range: 0.1-1.0 MPAWork tempertature range: -5-60 degreeConnection: 1/4" 1/8''Work voltage: 220V/AC,48V/AC,DCCurrent: 0.5AMaximum power: 24VA, 100VAInsulation voltage: 500V, 1500VMaximum working current: 500mAMax pulse count: 200T/minService life: 100 millions cyclesProtection class: IP54Package Included:1 x Diaphragm type pressure switchNote:Adjust the pressure of the size, please screw the twoterminals in the middle of the Hex.Package include:1 x Pressure Switch