Description:140-175 PSI 26 AMPS 1\/4 Inch 4 Port Heavy Duty Air Compressor Pressure Switch Controller<br> Specification:<br> 1. Pressure: 140-175PSI<br> 2. Max pressure: 175 PSI<br> 3. Min on: 50 PSI<br> 4. Differential: 30-40 PSI<br> 5. Port: 4 ports 1\/4&amp;quot;(Female NPT)<br> 6. Pole: 2 Pole Rating<br> 7. AMP Rating: 26 APMS Single Phase or Three Phase， 110\/230\/460  <br> Feature:<br> - Pressure switch 26 APM 140-175 PSI， four port 1\/4&amp;quot; connector.<br> - With an Unloader.<br> - Easy to install and convenient to use.<br> - Notice: Ensure your electric motors amp rating is less than the Max amp current of the pressure switch.<br>  <br> Package Included:<br> 1 x Air Compressor Pressure Switch Control  More Details: