NSN: 5930-01-048-4337

Technical Characteristics

• Knob Manufacturer Part Number

  a

• Individual Section Quantity

  3

• Contact Switching Action

  makes before breaks 3rd section periphery

• Style Designator

  tap, circuit selector

• Flat Height

  0.218 inches nominal single actuator

• Overall Length

  3.780 inches nominal

• Features Provided

  actuator knob

• Mounting Facility Pattern

  four position circular single mounting facility

• Hazardous Locations/Environmental Protection

  explosion proof

• Switch Actuator Indexing Position Quantity

  4 single actuator

• Contact Voltage Rating In Volts

  450.0 highest ac voltage rating at sea level

• Throw Quantity

  4 each section periphery

• Shaft Length

  1.000 inches nominal single actuator

• Contact Voltage Rating In Volts

  125.0 lowest ac voltage rating at sea level

• Switch Contact Basic Design

  nonpile-up symmetrical

• Shaft Type

  round, flatted, threaded hole single actuator

• Terminal Type

  screw

• Contact Switching Action

  breaks before makes 1st section periphery

• Contact Load Current Rating

  3.0 amperes resistive load highest ac voltage rating at sea level

• Thread Quantity Per Inch

  24 single mounting facility

• Mounting Method

  threaded hole single mounting facility

• Mounting Facility Circle Radius

  1.625 inches nominal single mounting facility

• Thread Series Designator

  unc single mounting facility

• Knob Manufacturer Code

  82121

• Thread Class

  2b single mounting facility

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Switch Actuator Positioning Increment

  90.0 degrees single actuator

• Nominal Thread Size

  0.190 inches single mounting facility

• Contact Switching Action

  makes before breaks 2nd section periphery

• Shaft Diameter

  0.250 inches nominal single actuator

• First Flat Length

  0.750 inches nominal single actuator

• Contact Load Current Rating

  10.0 amperes resistive load lowest ac voltage rating at sea level

• Pole Quantity

  1 each section periphery