1638-5

Technical Characteristics

• Contact Voltage Rating In Volts

  480.0 ac at sea level second voltage

• Contact Adjustability

  actuation point adjustable

• Inside Diameter

  0.250 inches nominal all connections

• Mounting Method

  bracket and unthreaded hole

• Longest Horizontal Distance Between Mounting Centers

  2.000 inches nominal

• Body Diameter

  7.750 nominal inches

• Overall Length

  6.500 inches nominal

• Contact Load Current Rating

  15.0 amperes resistive load first voltage

• Unthreaded Mounting Hole Diameter

  0.281 inches nominal

• Contact Load Current Rating

  15.0 amperes resistive load second voltage

• Contact Voltage Rating In Volts

  120.0 ac at sea level first voltage

• Nonpile-Up Contact Arrangement

  1 pole, double throw, both positions maintained

• Thread Series Designator

  npt all pressure connection

• Nominal Thread Size

  0.125 inches all pressure connection

• Style Designator

  cylindrical w/bracket

• Operating Temp Rating

  -30.0 deg fahrenheit minimum and 110.0 deg fahrenheit maximum

• Terminal Type

  screw

• 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

• Frequency In Hertz

  60.0 first voltage

• Pressure Connector Type

  plain, threaded internal all connections

• Pressure Switch Type

  differential

• Overall Height

  7.750 inches nominal

• Contact Adjustment Range

  +2.00/+6.00 actuation point inches of water

• Mounting Facility Pattern

  four position rectangular

• Contact Action Stimulus

  increase