1638-0

Technical Characteristics

• Proof Pressure

  25.00 pounds per square inch

• Contact Adjustment Range

  +0.05/+0.25 actuation point inches of water

• Contact Adjustability

  actuation point adjustable

• Style Designator

  cylindrical

• Contact Voltage Rating In Volts

  240.0 ac at sea level first voltage

• Longest Horizontal Distance Between Mounting Centers

  2.000 inches nominal

• Overall Length

  6.500 inches nominal

• Terminal Type

  tab w/screw

• Nominal Thread Size

  0.125 inches single pressure connection

• Thread Series Designator

  npt all pressure connection

• Thread Quantity Per Inch

  27 all pressure connection

• Contact Load Current Rating

  3.5 amperes resistive load first voltage

• Contact Voltage Rating In Volts

  120.0 ac at sea level second voltage

• Longest Vertical Distance Between Mounting Centers

  3.000 inches nominal

• Contact Adjustment Type

  external actuation point screw with scale

• Media For Which Designed

  gas or liquid

• Nonpile-Up Contact Arrangement

  1 pole, double throw, one position momentary

• Overall Diameter

  7.750 inches nominal

• Contact Load Current Rating

  7.0 amperes resistive load second voltage

• Pressure Switch Type

  differential

• Mounting Method

  bracket

• Operating Temp Rating

  40.0 deg fahrenheit minimum and 125.0 deg fahrenheit maximum

• Mounting Facility Pattern

  four position rectangular

• Contact Action Stimulus

  increase