QPM11-NC (Often shut down): that is, the pressure is not set, the switch contacts are closed; to set the value, the switch contacts are disconnected, the line is the state of power. Model: QPM11-NC Use medium: air color: black Material: Plastic+Stainless Steel Use pressure range: 0.1-1.0Mpa Environment and medium temperature: -5 -60 Celsius Work form: pressure adjustable typeInstall connection mode: external thread Nozzle diameter: 1/8 inch Working voltage: 220V/AC, 48V/AC.DC Maximum working current: 500mA Maximum power: 24VA, 100VA Insulation voltage: 500V, 1500V Maximum pulse number: 200T/min Service life: 100 millions cycles Note: Adjust the pressure of the size, please screw the two terminals in the middle of the Hex. Package Contents: 3x pressure switch Only the above package content, other products are not included. Note: Light 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.