If you are well grounded the power in a 120 vac circuit can kill you. 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.
Lf19 Pressure Switch
Lefoo pressure switch wiring diagram. Lefoo has a wide range of pressure transmitters and pressure sensors. Lefoo industrial coltd with professional pressure switch factory is a best china pressure switch manufacturers. In operation a pressure switch turns the power on and off to an air compressor motor. Straight through wiring visible contacts 2 pole double break. If you are working on a switch with 240 vac the power there will kill you if you are not very careful. Lefoo pressure switch control 90 125psi 4 port heavy duty 26 amp for air compressor lf10a 4h 1 npt14 90 125.
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. Secbolt 90 120psi air compressor pressure control switch with pressure regulator gauges safety valve fittings set. Adjustment will vary depending on the brand and type of switch this video. 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 quality air compressor pressure switch control 95 125 psi 4 port wunloader lf10 4h 1 npt14 95 125 44 out of 5 stars 747. 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 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. I have a 175 psi switch and didnt realize the spring pressure would of been so great. Safety when wiring a compressor pressure switch. This video gives an explanation on how to adjust an air compressor pressure switch as well as basic wiring instructions. Pressure transmitter sensor.
Gallery of Lefoo Pressure Switch Wiring Diagram
