Schneider Square D Pumptrol Pump or Compressor Switch Adjustable DiffModel: 9013GSG2J25 Description This product is part of the Nema Pressure Switches range, an offer of pump or compressor switches. This pump or compressor switch has 2 normally closed, snap action, DPST DB (double pole single throw, double break) form YY contacts and pressure setting value of 60psi to 80psi. The pressure switch with a pressure sensor size of 80psi (5psi to 60psi), an adjustable range on rising pressure of 20psi to 80psi and approximate