Pressure Switch 380V 90-120 Psi Manual On-off Knob Air Compressor Controller With Thermal Protection Relay LF12 ,Easy to Use - 8-10KG MAX-10A_G1-2

1. A three-phase pressure switch with a voltage of 380 volts is an important component in water pumps or air compressors. It can automatically adjust the pressure in the tank and turn the motor on or off. Furthermore, the LF12 series pressure switch is designed with an oil-free and silent piston mechanism, which includes an unloading relief valve. 2. It is also equipped with a manual on-off twist button, which makes the switch easy to operate. What's more, it can prevent burn-out by automatically cutting off the current when a motor overload occurs. The switch has four ports available for connecting accessories, such as pressure gauges or safety valves, which makes installation and operation easier. 3. Overall, the pressure switch is a practical invention that can significantly reduce energy consumption while maintaining a stable and safe running pattern of the water pump or air compressor. Regular inspections of the pressure switch are necessary to ensure it is operating correctly. To avoid confusion or inefficiency, it is important to choose a pressure switch that works best for your particular application. 4. The stock size is G1/2+3* G1/4. There are three sizes customized: about G1/2+3* G1/4, NPT1/2+3* NPT1/4, R1/2+3* R1/4, the MOQ is 10pcs above. 5. Controller: There has two models of control. The first: it can be started and stopped automatically. Second, stop manually.