22M4-138

Technical Characteristics

• Contact Action Stimulus

  increase

• Mounting Facility Pattern

  four position rectangular

• Bulb Diameter

  0.375 inches nominal

• Longest Vertical Distance Between Mounting Centers

  2.938 inches nominal

• Mounting Method

  surface and slot

• Overall Length

  2.156 inches nominal

• Contact Stimulus Rating

  29.00 actuation point nominal degrees fahrenheit and 24.00 deactuation point nominal degrees fahrenheit

• Contact Load Current Rating

  16.0 amperes resistive load second voltage

• Longest Horizontal Distance Between Mounting Centers

  1.562 inches nominal

• Nonpile-Up Contact Arrangement

  2 pole, double throw, one position momentary

• Temp Sensing Element Type

  capillary tube-bulb

• Hazardous Locations/Environmental Protection

  general purpose-nema type 1

• Overall Width

  2.250 inches nominal

• Contact Voltage Rating In Volts

  277.0 ac at sea level first voltage

• Contact Voltage Rating In Volts

  120.0 ac at sea level second voltage

• Terminal Type

  screw

• Contact Adjustability

  deactuation point adjustable, preset and actuation point adjustable, preset

• Bulb Length

  4.000 inches nominal

• Contact Adjustment Type

  external deactuation point knob with scale and external actuation point knob with scale

• Contact Load Current Rating

  7.2 amperes resistive load first voltage

• End Item Identification

  4120010473950 18323

• Operating Temp Rating

  140.0 deg fahrenheit maximum

• Media For Which Designed

  gas

• Capillary Tube Length

  72.0 inches nominal

• Overall Height

  4.406 inches nominal

• Contact Adjustment Range

  -30.00/+50.00 actuation point degrees fahrenheit and -25.00/+45.00 deactuation point degrees fahrenheit