NSN: 5930-01-036-9938

Technical Characteristics

• Knob Manufacturer Part Number

  a

• Pole Quantity

  1 each section rear

• Shaft Type

  round, square, threaded hole single actuator

• Individual Section Quantity

  3

• Style Designator

  tap, circuit selector

• Contact Switching Action

  breaks before makes each section rear

• Features Provided

  actuator knob

• Overall Width

  4.125 inches nominal

• Longest Horizontal Distance Between Mounting Centers

  2.281 inches nominal single mounting facility

• Shaft Length

  1.125 inches nominal single actuator

• Hazardous Locations/environmental Protection

  explosion proof

• Mounting Facility Pattern

  four position rectangular single mounting facility

• Terminal Type

  tab w/screw

• Longest Vertical Distance Between Mounting Centers

  2.281 inches nominal single mounting facility

• Shaft Diameter

  0.375 inches nominal single actuator

• Overall Height

  4.125 inches nominal

• Switch Contact Basic Design

  nonpile-up symmetrical

• First Flat Length

  0.875 inches nominal single actuator

• Switch Actuator Indexing Position Quantity

  2 single actuator

• Thread Quantity Per Inch

  24 single mounting facility

• Contact Voltage Rating In Volts

  500.0 ac at sea level

• Mounting Method

  threaded hole single mounting facility

• Throw Quantity

  2 each section rear

• Thread Series Designator

  unc single mounting facility

• Knob Manufacturer Code

  82121

• Square Shaft Size

  0.250 inches nominal single actuator

• Thread Class

  2b single mounting facility

• Overall Length

  3.750 inches nominal

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Contact Load Current Rating

  20.0 amperes resistive load ac at sea level

• Switch Actuator Positioning Increment

  90.0 degrees single actuator

• Nominal Thread Size

  0.190 inches single mounting facility