ITEM NAME:Air Compressor Pressure Switch Pressure Control Valve SG 5C 1V 1A 3 Black Description: PSI Range: 4-12.5; working pressure: 0.5--1.25ï ¼Ë†Paï ¼â€° Contact form: Iron single port with external screw thread This is a great switch for mini air compressor It can help to save electric energy of the air compressor It also can use in water pressure control. And add some accessory; it can be used as boiler alarm apparatus, pressure relief or automatic supply water etc Specification: Model: SG-5C Size: 90MM*90MM*80MM Unit conversion: 1kgf/cm ²=14.2PSI, 1bar=14.5PSI, 1bar=0.1Mpa Rated voltage (V): AC 240V Rated current (A): 20A Pressure adjusted range (Mpa): 0.5-1.25 Operating pressure range: 4.0-12.5 Differential pressure range: 2.0-4.0 Connection screw thread: G1/4 Unloading valve type: plumb Unloading valve diameter: Æ6mm Handle type: short bending Package Includes: 1x Pressure Switch SKU: DMO0015615251009314.It can help to save electric energy of the air compressor. This is a great switch for mini air compressor. 1x Pressure Switch. Connection screw thread: G1/4. Unloading valve type: plumb. Pressure adjusted range (Mpa): 0.5-1.25.