Description <br> Item Type: Pressure Switch <br> Model: LF56 <br> Maximum Ambient Temperature: 66 <br> Maximum Load: 15A 250VAC <br> Maximum Diaphragm Pressure: 350psi <br> Pressure Range: 20-300psi / 0.14-2.0MPa <br> Pressure Difference Range: 20-50psi / 150-350kPa <br> Interface Thread: NPT1/4-18 <br> Contact Type: SPDT <br> Contact Method: Single Pole Double Throw <br> Diaphragm: Stainless Steel <br> Interface: Brass <br> Working Medium: Non corrosive medium such as air, water, oil, liquid, etc., and chlorine containing liquid is not available <br> Ambient Temperature: -29~66 normal operation <br> Medium Temperature: -40~180 without freezing1MULTIPLE USAGES: The pressure switch is suitable for pressure control, pressure limiting and alarming of non corrosive liquids, gases and steam. <br> 2PRESSURE DETECTION: By detecting changes in pressure, changing the state of the internal switch to control the ON and OFF action of the external circuit. <br> 3SPDT CONTACT TYPE: Single pole double throw contact method, can be used for boiler control and water tower pressure regulation system. <br> 4WITH PLASTIC COVER: The pressure controller shell has a plastic cover, you can observe the pressure control point at any time. <br> 5EXCELLENT MATERIAL: The pressure diaphragm is made of stainless steel, the pressure joint is made of brass, and the thread is NPT1/418. <br> 1 x Pressure Switch <br> 1 x User Manual <br>