309B21

Technical Characteristics

• Overall Length

  2.594 inches nominal

• Overall Diameter

  2.156 inches nominal

• Pressure Switch Type

  differential

• Mounting Method

  inlet connection

• Contact Action Stimulus

  increase

• Thread Series Designator

  npt single pressure connection

• Thread Quantity Per Inch

  27 single pressure connection

• Nominal Thread Size

  0.125 inches single pressure connection

• Nonpile-Up Contact Arrangement

  1 pole, single throw, normally closed, momentary action

• Terminal Type

  threaded stud

• Contact Adjustability

  actuation point adjustable, preset