21490-4

Technical Characteristics

• Contact Action Stimulus

  increase

• Width Across Flats

  0.173 inches minimum and 0.203 inches maximum

• Contact Load Current Rating

  2.5 amperes resistive load first voltage

• Contact Voltage Rating In Volts

  125.0 ac at sea level second voltage

• Thread Series Designator

  unf single threaded bushing

• Contact Adjustability

  deactuation point adjustable, preset and actuation point adjustable, preset

• Thread Quantity Per Inch

  14 single threaded bushing

• Thread Class

  2a single threaded bushing

• Nonpile-Up Contact Arrangement

  1 pole, single throw, normally open, momentary action

• Contact Voltage Rating In Volts

  250.0 ac at sea level first voltage

• Contact Voltage Rating In Volts

  30.0 dc at sea level third voltage

• Body Diameter

  0.660 inches maximum

• Contact Load Current Rating

  6.5 amperes resistive load third voltage

• Contact Load Current Rating

  5.0 amperes resistive load second voltage

• Body Length

  2.529 inches nominal

• Operating Temp Rating

  -40.0 deg fahrenheit minimum and 185.0 deg fahrenheit maximum

• Terminal Type

  connector, receptacle

• Err Default

  err default

• Nominal Thread Size

  0.875 inches single threaded bushing

• Mounting Method

  threaded bushing

• Overall Length

  2.783 inches maximum