In operation a pressure switch turns the power on and off to an air compressor motor. Adjustment will vary depending on the brand and type of switch this video.
30 Air Compressor Pressure Switch Wiring Diagram Wiring
Lefoo pressure switch wiring diagram. Secbolt 90 120psi air compressor pressure control switch with pressure regulator gauges safety valve fittings set. 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. 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. Lefoo has a wide range of pressure transmitters and pressure sensors. Pressure transmitter sensor. If you are working on a switch with 240 vac the power there will kill you if you are not very careful.
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. 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 industrial coltd with professional pressure switch factory is a best china pressure switch manufacturers. If you are well grounded the power in a 120 vac circuit can kill you. I have a 175 psi switch and didnt realize the spring pressure would of been so great. 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.
This video gives an explanation on how to adjust an air compressor pressure switch as well as basic wiring instructions. Safety when wiring a compressor pressure switch. Straight through wiring visible contacts 2 pole double break. 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. 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
