Expect this performance for compressors that can provide service when plugged into the cigarette lighter socket of a vehicle. You should expect a small air compressor to draw about 20 to 30 amps. How Many Amps Does A Small Air Compressor Pull? But you should see certain models that may draw 20 to 25 amps. How Many Amps Does A 5 HP Compressor Need?Ī 5 HP air compressor generally demands an amperage rating of about 21 amps. How Many Amps Does A 20-Gallon Air Compressor Use?Ģ0-gallon air compressors typically draw 15 amps. For example, a 110V, 15A compressor will use 1650W. You should calculate the wattage of the air compressor by multiplying the voltage with the amperage. Meanwhile, a 2 HP model often requires 2800W to run and 7770W to start. How Many Watts Does An Air Compressor Use?Ī 1/2 HP compressor usually needs 2000W to start and 1000W to run. If so, follow these steps to complete this procedure: What You’ll Need However, your unit may not turn on and off automatically, which might mean that its pressure switch needs a replacement. Take note that some air compressors have automatic power cycling features that should work when they reach certain pressure levels. How Do You Fix an Air Compressor Without Power?Īn air compressor that doesn’t seem to draw power from its circuit might have a broken pressure switch or check valve. If you’re unsure of the cause, contact an electrician. Another potential underlying cause is overloading caused by worn parts like faulty bearings. If your air compressor draws more amperage from the circuit than usual, it could be an indicator of a bad capacitor. What Causes High Air Compressor Amp Draw? But the same unit may need 40 amps to start. For instance, a 1.5 HP air compressor may need 9 amps while running. Keep in mind that the starting and using amp draws are often different. For example, DanFoss has the following amp draw chart posted online: Some brands also provide information regarding their air compressors’ amp draws on their websites. Air compressor companies often put their models’ amperage ratings on either the unit’s owner’s guide or on the device itself. Perhaps one of the ideal ways to check the amp draw on a particular compressor is to check the manufacturer’s notes. How Do You Check Amp Draw on a Compressor? However, 110-volt variants might possess weaker performance because of their lower wattage ratings. Take note that 110-volt compressors may draw the same amperage as some 220-volt models. Unlike 220-volt units, a 110 air compressor draw about 15 amps. How Many Amps Does a 110 Air Compressor Use? For example, some 220-volt compressors might require 40 amps from two 20-amp circuit breakers when using their high-powered settings. Take note that the amperage ratings may also depend on the pressure used. For instance, certain 220-volt models draw 30 amps to work. It can be ideal to look at an amperage chart to verify the number of amps used by a specific 220-volt air compressor. How Many Amps Does a 220 Air Compressor Use? These high-powered models can even supply compressed air to multiple tools at once if the unit allows. 60-Gallon Air CompressorĦ0-gallon air compressors may demand over 15 amps for them to supply a sufficient amount of power to connected devices. On the other hand, Porter Cable has a model that draws the standard 10 amps to function properly. But the amperage rating can still depend on certain factors, especially when looking at the voltage requirements.įor example, look at one Campbell Hausfeld pancake compressor it draws 7.5 amps. Generally, pancake air compressors, particularly those that run at 2 HP, need 10 amps to work properly. This reasonably compact model can usually work when plugged into the cigarette lighter plug of a car to help inflate or deflate tires. 12-Volt Air CompressorĪlso called a portable air compressor, a 12v model will typically have an amperage range of 10 to 30 amps. How Many Amps Does an Air Compressor Draw?Īir compressor amperage ratings often depend on the size of the unit.
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