31904LC

Technical Characteristics

• Thread Class

  2a 1st mounting facility

• Iii Hazardous Locations/Environmental Protection

  explosion proof

• Shaft Diameter

  0.250 inches nominal single actuator

• Iii Knob Manufacturer Code

  82121

• Switch Contact Basic Design

  nonpile-up symmetrical

• Pole Quantity

  1 each section periphery

• Throw Quantity

  8 each section periphery

• Mounting Facility Circle Radius

  1.438 inches nominal 2nd mounting facility

• Thread Quantity Per Inch

  40 2nd mounting facility

• Contact Voltage Rating In Volts

  125.0 ac at sea level

• Switch Actuator Indexing Position Quantity

  8 single actuator

• Shaft Type

  round, flatted, threaded hole single actuator

• Contact Switching Action

  makes before breaks 2nd section periphery

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Style Designator

  9 tap, circular, bushing mount

• Thread Class

  2a 2nd mounting facility

• Thread Length

  0.469 inches nominal 1st mounting facility

• First Flat Length

  0.875 inches nominal single actuator

• Overall Diameter

  2.000 inches nominal

• Individual Section Quantity

  4

• Mounting Method

  threaded bushing 1st mounting facility

• Mounting Method

  threaded stud 2nd mounting facility

• Features Provided

  actuator knob

• Thread Quantity Per Inch

  32 1st mounting facility

• Nominal Thread Size

  0.112 inches 2nd mounting facility

• Nominal Thread Size

  0.469 inches 1st mounting facility

• Mounting Facility Pattern

  three position circular 2nd mounting facility

• Terminal Type

  screw

• Contact Switching Action

  breaks before makes 3rd section periphery

• Contact Switching Action

  breaks before makes 4th section periphery

• Contact Switching Action

  makes before breaks 1st section periphery

• Switch Actuator Positioning Increment

  45.0 degrees single actuator

• Contact Load Current Rating

  5.0 amperes resistive load ac at sea level

• Thread Series Designator

  unc 2nd mounting facility

• Thread Series Designator

  uns 1st mounting facility