MX-257

Technical Characteristics

• Mounting Facility Pattern

  two position in-line

• Media For Which Designed

  gas

• Contact Action Stimulus

  increase

• Body Diameter

  0.610 inches minimum and 0.640 inches maximum

• Contact Adjustability

  actuation point not adjustable

• Overall Length

  0.820 inches nominal

• Contact Voltage Rating In Volts

  500.0 ac at sea level single voltage

• Contact Stimulus Rating

  35.00 actuation point nominal degrees fahrenheit

• Distance Between Mounting Facility Centers

  0.438 inches nominal

• Operating Temp Rating

  55.0 deg celsius minimum and 125.0 deg celsius maximum

• Contact Load Current Rating

  2.0 amperes resistive load single voltage

• Overall Height

  0.172 inches minimum and 0.202 inches maximum

• Mounting Method

  bracket and unthreaded hole

• Style Designator

  disc

• Frequency In Hertz

  60.0 single voltage

• Terminal Type

  tab, solder lug

• Temp Sensing Element Type

  internal sensor

• Unthreaded Mounting Hole Diameter

  0.147 inches nominal

• Nonpile-Up Contact Arrangement

  1 pole, single throw, normally open, momentary action