12V, 11A, 125 PSI Max Rating. Vehicle mount compressor ensures the truckês air brake system is properly pressurized for immediate dispatch from the station. Pressure switch regulated operation automatically senses low pressure in the air system and restores the proper pressure, preventing brake lock-up. 15A circuit breaker installed in pressure switch. Factory set PSI actuation points:105 –ON”, 125 –OFF”. Adjustment differential 20 PSI, 125 PSI max. Pressure gauge provides system status. Output: 0.30 SCFM @ 80PSI, 0.35 SCFM @ 60PSI. No interference with an engine mounted air compressor. Sealed ball bearings for long service life. Compact size, vertical or horizontal model configurations. Includes an Auto Drain: Automatically purges the water separator bowl every time the compressor cycles off via a 12V solenoid. It also eliminates the manual draining chore for maintenance personnel.