21557-4-1-1

Technical Characteristics

• Mounting Method

  threaded bushing

• Err Default

  err default

• Terminal Type

  connector, receptacle

• Contact Voltage Rating In Volts

  30.0 dc at sea level second voltage

• Body Length

  2.000 inches nominal

• Thread Series Designator

  npt single threaded bushing

• Width Across Flats

  0.750 inches nominal

• Body Diameter

  0.290 inches maximum

• Nominal Thread Size

  0.125 inches single threaded bushing

• Contact Load Current Rating

  1.0 amperes resistive load first voltage

• Media For Which Designed

  gas or liquid

• Contact Voltage Rating In Volts

  115.0 ac at sea level first voltage

• Style Designator

  cylindrical w/flange

• Thread Quantity Per Inch

  27 single threaded bushing

• Nonpile-Up Contact Arrangement

  1 pole, single throw, normally closed, momentary action

• Overall Length

  3.120 inches maximum

• Contact Load Current Rating

  1.0 amperes resistive load second voltage

• Contact Stimulus Rating

  85.00 actuation point nominal degrees celsius and 80.00 deactuation point nominal degrees celsius and 5.00 differential point nominal degrees celsius

• Contact Adjustability

  deactuation point not adjustable and actuation point not adjustable

• Contact Action Stimulus

  increase

• Temp Sensing Element Type

  internal sensor

• Features Provided

  tamper proof cap