21761-8-1-1

Technical Characteristics

• Overall Length

  5.250 inches maximum

• Body Diameter

  0.665 inches maximum

• Body Length

  3.938 inches minimum and 4.062 inches maximum

• Temp Sensing Element Type

  bulb

• Mounting Method

  threaded bushing

• Contact Action Stimulus

  increase

• Nominal Thread Size

  0.500 inches single threaded bushing

• Nonpile-Up Contact Arrangement

  1 pole, double throw, one position momentary

• Thread Length

  0.648 inches minimum single threaded bushing and 0.772 inches maximum

• Bulb Length

  3.290 inches nominal

• Bulb Diameter

  0.665 inches nominal

• Width Across Flats

  0.990 inches minimum and 1.010 inches maximum

• Features Provided

  hermetically sealed case

• Thread Quantity Per Inch

  14 single threaded bushing

• Contact Load Current Rating

  1.0 amperes resistive load first voltage

• Contact Voltage Rating In Volts

  30.0 dc at sea level second voltage

• Media For Which Designed

  gas or liquid

• Terminal Type

  connector, receptacle

• Contact Load Current Rating

  1.0 amperes resistive load second voltage

• Contact Adjustability

  deactuation point not adjustable and actuation point not adjustable

• Contact Stimulus Rating

  200.00 actuation point minimum degrees fahrenheit and 220.00 actuation point maximum degrees fahrenheit and 18.00 differential point minimum degrees fahrenheit and 22.00 differential point maximum degrees fahrenheit

• Contact Voltage Rating In Volts

  115.0 ac at sea level first voltage

• Style Designator

  53 cylindrical w/flange

• Thread Series Designator

  npt single threaded bushing