Features 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. Specification 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: 381g/13.4oz Pressure regulating range (bar): -1 (Min) ~0 (Max) Differential pressure adjustment range (bar): 0.2 (Min) ~0.5 (Max) Factory setting (bar): -0.2 (OFF/ON) ~ -0.6 (ON/OFF) Maximum air tightness test (bar): 16.5 Micro switch life: 100,000 times Electrical parameters: Package List: 1* Pressure Control Switch 1* Mounting bracket 4* Screw Package List