31904LA

Technical Characteristics

• Pole Quantity

  1 each section rear

• Switch Actuator Positioning Increment

  45.0 degrees single actuator

• First Flat Length

  0.438 inches nominal single actuator

• Err Default

  err default

• Contact Switching Action

  makes before breaks each section rear

• Individual Section Quantity

  4

• Features Provided

  actuator knob

• Style Designator

  tap, circular, bushing mount

• Shaft Type

  round, flatted single actuator

• Terminal Type

  tab w/screw

• Overall Diameter

  2.000 inches nominal

• Mounting Method

  threaded bushing single mounting facility

• Thread Quantity Per Inch

  32 single mounting facility

• Overall Length

  3.610 inches nominal

• Switch Actuator Indexing Position Quantity

  4 single actuator

• Throw Quantity

  4 each section rear

• Nominal Thread Size

  0.469 inches single mounting facility

• Switch Contact Basic Design

  nonpile-up symmetrical

• Flat Height

  0.219 inches nominal single actuator

• Shaft Length

  0.625 inches nominal single actuator

• Thread Pitch Diameters

  +0.0001/+0.0004 inches single mounting facility

• Shaft Flat/Slot Angular Location

  180.0 degrees from contact position 1 single actuator

• Contact Voltage Rating In Volts

  500.0 ac at sea level

• Hazardous Locations/Environmental Protection

  dustproof

• Contact Load Current Rating

  3.0 amperes resistive load ac at sea level

• Knob Manufacturer Code

  82121

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Thread Series Designator

  uns single mounting facility

• Shaft Diameter

  0.250 inches nominal single actuator