1、Made of high quality material, anti-corrosion, durable in use. 2、Apply for freon, air, liquid and other non-corrosive media. 3、Equipped with mounting bracket and screws, easy to install. 4、The SPDT switch ensures reliable contact switching. 5、Mainly used for high and low voltage limit control of refrigeration equipment or automatic system air conditioning equipment. Features: Made of high quality material, anti-corrosion, durable in use. Apply for freon, air, liquid and other non-corrosive media. Equipped with mounting bracket and screws, easy to install. The SPDT switch ensures reliable contact switching. Specification: Material: Plastic, iron plating nickel, stainless steel, brass Weight: 590g/20.8oz Rated current: 15A Low side pressure adjustment range (bar) : -0.5~6 High side pressure adjustment range (bar) : 8~30 Low side pressure differential adjustment range (bar): 0.6~4 High side pressure differential adjustment range (bar) : ≤5 Low pressure side factory setting (bar): 2 (OFF), 3 (ON) High pressure side factory setting (bar): 20 (OFF), manual reset (ON) Maximum air tightness test (bar) on low pressure side: 16.5 Maximum air tightness test (bar) on high pressure side: 33 Electrical parameters: Package List: 1* Pressure Control Switch 1* Mounting bracket 4* Screw