1921-20-S

Technical Characteristics

• Contact Voltage Rating In Volts

  480.0 ac at sea level second voltage

• Mounting Facility Pattern

  two position in-line

• Pressure Switch Type

  differential

• Features Provided

  electrical access port

• Nonpile-Up Contact Arrangement

  1 pole, double throw, one position momentary

• Frequency In Hertz

  60.0 first voltage

• Unthreaded Mounting Hole Diameter

  0.188 inches nominal

• Terminal Type

  screw

• Frequency In Hertz

  60.0 second voltage

• Overall Width

  4.625 inches nominal

• Contact Voltage Rating In Volts

  120.0 ac at sea level first voltage

• Contact Load Current Rating

  15.0 amperes resistive load second voltage

• Distance Between Mounting Facility Centers

  4.250 inches nominal

• Contact Load Current Rating

  15.0 amperes resistive load first voltage

• Operating Temp Rating

  32.0 deg fahrenheit minimum and 180.0 deg fahrenheit maximum

• Contact Adjustment Range

  +4.00/+20.00 actuation point inches of water

• Contact Adjustment Type

  external actuation point screw

• Body Diameter

  3.500 inches nominal

• Mounting Method

  bracket and unthreaded hole

• Contact Adjustability

  actuation point adjustable