26521-1

Technical Characteristics

• Nominal Thread Size

  0.500 inches single threaded bushing

• Mounting Method

  threaded bushing

• Thread Quantity Per Inch

  20 single threaded bushing

• Err Default

  err default and err default

• Contact Stimulus Rating

  1120.00 actuation point nominal degrees fahrenheit and 1105.00 deactuation point nominal degrees fahrenheit

• Contact Adjustment Type

  external deactuation point screw and external actuation point screw

• Terminal Type

  tab w/screw

• Media For Which Designed

  gas

• Bulb Diameter

  0.234 inches minimum and 0.266 inches maximum

• Overall Length

  7.469 inches maximum

• Contact Adjustability

  deactuation point adjustable, preset and actuation point adjustable, preset

• Body Diameter

  0.234 inches minimum and 0.266 inches maximum

• Thread Series Designator

  unf single threaded bushing

• Style Designator

  rectangular

• Contact Adjustment Range

  -20.00/+1750.00 actuation point degrees fahrenheit and -20.00/+1750.00 deactuation point degrees fahrenheit

• Thread Class

  3a single threaded bushing

• Nonpile-Up Contact Arrangement

  1 pole, single throw, normally closed, momentary action

• Bulb Length

  3.515 inches nominal

• Contact Load Current Rating

  1.0 amperes resistive load single voltage

• Temp Sensing Element Type

  bulb

• Body Length

  3.328 inches maximum

• Overall Width

  0.859 inches minimum and 0.891 inches maximum

• Contact Voltage Rating In Volts

  28.0 dc at sea level single voltage

• Overall Height

  1.297 inches minimum and 1.328 inches maximum

• Contact Action Stimulus

  increase