In operation a pressure switch turns the power on and off to an air compressor motor. Safety when wiring a compressor pressure switch.
Pressure Switch Wiring Diagram
Lefoo pressure switch wiring diagram. Lefoo quality air compressor pressure switch control 95 125 psi 4 port wunloader lf10 4h 1 npt14 95 125 44 out of 5 stars 747. Lefoo industrial coltd with professional pressure switch factory is a best china pressure switch manufacturers. Lefoo has a wide range of pressure transmitters and pressure sensors. Adjustment will vary depending on the brand and type of switch this video. Pressure transmitter sensor. This video gives an explanation on how to adjust an air compressor pressure switch as well as basic wiring instructions.
If you are well grounded the power in a 120 vac circuit can kill you. Lefoo pressure switch control 90 125psi 4 port heavy duty 26 amp for air compressor lf10a 4h 1 npt14 90 125 44 out of 5 stars 529. So if youre one of the few that has taken one of these lefoo type switches apart the guy who posted on 8814 putting it back together had some helpful info. Lefoo lf16 water pressure switch pressure switch is designed to control the onoff of well motorpumps 1 port fnpt connection type 40 60 psi factory preset and is adjustable this switch will handle any voltage between 12v 240v this is a brand new lefoo water well pump pressure switch factory preset 4060 psi. Straight through wiring visible contacts 2 pole double break. They are available with an unloader valve which prevents compressors from starting under load and an auto off disconnect lever for manual cut off the compressor.
I have a 175 psi switch and didnt realize the spring pressure would of been so great. If you are working on a switch with 240 vac the power there will kill you if you are not very careful. The lf10 pressure switches are used to regulate the tank pressure between two preset values on small electrically driven air compressors up to 175 psig. Secbolt 90 120psi air compressor pressure control switch with pressure regulator gauges safety valve fittings set. Lefoo pressure switch control 90 125psi 4 port heavy duty 26 amp for air compressor lf10a 4h 1 npt14 90 125.
Gallery of Lefoo Pressure Switch Wiring Diagram
