1820-1A

Technical Characteristics

• Mounting Method

  threaded stud

• Style Designator

  cylindrical w/mounting lugs

• Overall Height

  3.880 inches nominal

• Nominal Thread Size

  0.500 inches single threaded stud

• Contact Adjustment Type

  external actuation point screw

• Contact Load Current Rating

  100.0 milliamperes inductive load single voltage

• Pressure Connector Type

  flare, threaded internal first connection

• Overall Width

  4.060 inches nominal

• Thread Series Designator

  npt single threaded stud

• Nonpile-Up Contact Arrangement

  1 pole, double throw, both positions maintained

• Thread Quantity Per Inch

  27 all pressure connection

• Nominal Thread Size

  0.125 inches all pressure connection

• Terminal Type

  screw

• Inside Diameter

  0.125 inches nominal all connections

• Contact Adjustability

  actuation point adjustable, preset

• Media For Which Designed

  gas or liquid

• Thread Series Designator

  ptf-sae short all pressure connection

• Pressure Switch Type

  differential

• Contact Adjustment Range

  +0.20/+1.00 actuation point inches of water

• Pressure Connector Type

  plain, threaded internal second connection

• Contact Voltage Rating In Volts

  28.0 dc at sea level single voltage

• Overall Length

  4.060 inches nominal

• Contact Action Stimulus

  increase