Operation of PMA 12 (230V) Pressure Switch: The pressure switch automatically controls compressor operation between the set maximum and minimum values. The electrical contacts of the pressure switch close and start the engine, open when the maximum value is reached and stop the engine. After stopping the pressure switch, using a suitable non-return valve relieves the compressor by using a blow-off valve. The pressure switch also has an on / off button

• Pressure range: 3 - 12 bar
• Factory setting: 6 - 8 bar
• Minimum difference: 1.5 bar
• Maximum difference: 5 bar
• Rated current: 16 (10) A
• Rated voltage: 500V
• Maximum ambient temperature: 55 ° C
• Dimensions: 104x60x100
• Connection: 1/4 "nut
• IP protection: IP44