• Pressure switch designed for automatic switching on and off of single-phase electric motors. • Ideal for submersible pumps, hydrophore pumps, and compressors. • Allows separate adjustment of switching on and off pressure via two adjustment screws. • Robust construction in alloy metals and plastics, resistant to corrosion in humid environments. • 1/4 inch swivel connector for easy installation or replacement. • Adjustment range from 1 to 5 bar with a factory setting of 1,4 to 2,8 bar. • Technical specifications: 230V/50Hz voltage and maximum working temperature of 55 degrees Celsius.