The motor wires would connect to 2 and 4. Check out the air compressor pressure adjustment article to understand the different adjustments.Īir Compressor Pressure Switch Wiring Diagramīelow is the Square D pressure switch wiring diagram. The type of pressure switch can further be categorized based on the different pressure adjustments they offer. The types can be broadly divided into two types Pressure Switch Types and Modelsĭifferent types and models of pressure switches are available in the market. The need of adjusting the pressure mostly arises when you replace the existing pressure switch with a new one.Ĭheck out this article on air compressor pressure switch adjustment that can give you a detailed explanation of the topic and the different steps to adjust the pressure switch.Ĭaution: Setting the air compressor pressure switch cut-out pressure too high can be dangerous as it might result in a tank explosion. In most cases, the default factory cut-in, cut-out pressures will work for most users. The cut-in and cut-out pressures can vary depending on the compressor. These pressure levels are called cut-in and cut-out pressures. Air compressor pressure switch adjustmentĪs you know, the pressure switch turns the air compressor on and off based on certain levels of air pressure inside the tank. As a result, the power flows back to the motor and the motor starts again to compress more air. When the pressure inside the tank decreases and drops down to a certain level, the diaphragm gets back into its original shape making the circuit close. The pressure at which the shape of the diaphragm changes enough to stop the power flow to motor resulting in the motor shutdown is called cut-out pressure. Which, in turn, shuts off the air compressor. As the air pressure inside the tank increases, the diaphragm shape changes resulting in the disconnection of electricity/power to the air compressor motor. It uses some kind of element, or a diaphragm in most cases, to help detect the pressure level. The air compressor pressure switch monitors the pressure of compressed air moving in and out from the air tank. Basic Specifications: Differential Pressure: 30-40PSI Rated Amp: 110 26A at 240VAC Max Voltage: 240VAC, This pressure switch is specially designed for small air compressors and helps save the power of the air compressor.4.6 What are some of the best 175 PSI Pressure Switches? How does a compressor pressure switch works.Easier to Use The 4-port air compressor pressure switch gives you the ability to install in any orientation, you can add safety valves, pressure gauges or multiple vents, etc., for a wide variety of uses.Smart Handle Design The pressure switch has a built-in metal rod and unloader, the smart handle can be used to cut the air compressor and the 4-port base, which is simple and convenient to use, even a novice can use it.ABS Shell The pressure control switch adopts high-quality ABS material, which is not easy to deform, wear-resistant and has a long service life.DIMENSIONS - Standard 1/4" NPT male connector, easy to use, simple to install, pressure range from 90 to 150psi, this switch is preset to turn the compressor on at 95psi and turn it off at 125psi.To learn more about how and for what purposes Amazon uses personal information (such as Amazon Store order history), please visit our Privacy Notice. You can change your choices at any time by visiting Cookie Preferences, as described in the Cookie Notice. Click ‘Customise Cookies’ to decline these cookies, make more detailed choices, or learn more. Third parties use cookies for their purposes of displaying and measuring personalised ads, generating audience insights, and developing and improving products. This includes using first- and third-party cookies, which store or access standard device information such as a unique identifier. If you agree, we’ll also use cookies to complement your shopping experience across the Amazon stores as described in our Cookie Notice. We also use these cookies to understand how customers use our services (for example, by measuring site visits) so we can make improvements. We use cookies and similar tools that are necessary to enable you to make purchases, to enhance your shopping experiences and to provide our services, as detailed in our Cookie Notice.
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