This Square D pumptrol FHG2J27CP air-compressor pressure switch is the most trusted brand in residential， commercial and industrial air compressor applications. The FHG2J27CP controls an electrically driven air compressor in a power circuit when the adjustable threshold upon falling is reached and is set to turn off at 100 PSI. The switch has a 1/4 inch NPSF internal fluid connection and is suitable for use with a lower-horsepower motor with 1.5 HP or less. The switch is diaphragm actuated and has a fixed differential. The threshold or setting point， upon rising adjusts with a screw nut. The switch has screw terminal electrical connections and two 2-pole NC contacts open on rising pressure.

• Brand Name: Square D
• Sub Brand: Pumptrol
• Minimum Pressure: 80 psi
• Maximum Pressure: 100 psi
• Product Type: Pressure Switch
• UL Listed: Yes
• Minimum Temperature: 32 �F
• Maximum Temperature: 158 �F
• Volts: 230 V
• Pipe Size: 1/4 in.
• Thread Type: NPT
• Height: 8 in.
• Width: 5 in.
• CSA Listed: Yes
• Body Material: Polypropylene/Thermoplastic Resin