439-287

Technical Characteristics

• Media For Which Designed

  gas

• Overall Height

  1.031 inches maximum

• Style Designator

  rectangular w/bracket

• Contact Voltage Rating In Volts

  230.0 ac at sea level second voltage

• Mounting Method

  bracket and unthreaded hole

• Contact Adjustability

  actuation point not adjustable

• Unthreaded Mounting Hole Diameter

  0.147 inches nominal

• Contact Action Stimulus

  increase

• Contact Voltage Rating In Volts

  28.0 dc at sea level third voltage

• Mounting Facility Pattern

  two position in-line

• Body Length

  0.719 inches minimum and 0.781 inches maximum

• Distance Between Mounting Facility Centers

  1.125 inches nominal

• Nonpile-Up Contact Arrangement

  1 pole, single throw, normally closed, momentary action

• Body Width

  0.375 inches nominal

• Frequency In Hertz

  60.0 first voltage

• Contact Voltage Rating In Volts

  115.0 ac at sea level first voltage

• Contact Load Current Rating

  3.0 amperes resistive load second voltage

• Frequency In Hertz

  60.0 second voltage

• Contact Stimulus Rating

  82.00 actuation point maximum degrees celsius and 74.00 actuation point minimum degrees celsius and 58.00 deactuation point nominal degrees celsius

• Temp Sensing Element Type

  internal sensor

• Overall Length

  1.344 inches minimum and 1.406 inches maximum

• Contact Load Current Rating

  7.0 amperes resistive load first voltage

• Terminal Type

  tab, solder lug

• Features Provided

  hermetically sealed case

• Body Height

  0.735 inches minimum and 0.797 inches maximum

• Overall Width

  0.375 inches nominal

• Contact Load Current Rating

  2.0 amperes resistive load third voltage