21T4-105

Technical Characteristics

• Contact Load Current Rating

  16.0 amperes resistive load first voltage

• Media For Which Designed

  gas or liquid

• Mounting Method

  base and threaded hole

• Inside Diameter

  0.138 inches nominal single connection

• Nonpile-Up Contact Arrangement

  1 pole, double throw, one position momentary

• Contact Load Current Rating

  8.0 amperes resistive load third voltage

• Overall Length

  3.340 inches nominal

• Pressure Switch Type

  gage

• Overall Height

  1.125 inches maximum

• Contact Adjustability

  deactuation point not adjustable and actuation point not adjustable

• Mounting Facility Pattern

  two position in-line

• Contact Action Stimulus

  increase

• Features Provided

  capillary tube end seal connection

• Pressure Connector Type

  flare, threaded internal single connection

• Overall Width

  2.200 inches nominal

• Contact Voltage Rating In Volts

  120.0 ac at sea level first voltage

• Contact Voltage Rating In Volts

  208.0 ac at sea level second voltage

• Body Length

  2.640 inches nominal

• Thread Class

  2b all threaded hole

• Thread Series Designator

  unc all threaded hole

• Style Designator

  rectangular

• Nominal Thread Size

  0.138 inches all threaded hole

• Distance Between Mounting Facility Centers

  0.688 inches nominal

• Contact Stimulus Rating

  -5.00 deactuation point nominal pounds per square inch gage and 7.00 actuation point nominal pounds per square inch gage and 12.00 differential point nominal pounds per square inch gage

• Thread Quantity Per Inch

  32 all threaded hole

• Contact Load Current Rating

  9.2 amperes resistive load second voltage

• Contact Voltage Rating In Volts

  240.0 ac at sea level third voltage

• Terminal Type

  tab w/screw