NSN: 5930-00-792-4451

Technical Characteristics

• Knob Manufacturer Part Number

  a

• Pole Quantity

  1 each section rear

• Individual Section Quantity

  3

• Mounting Facility Circle Radius

  3.219 inches nominal single mounting facility

• Style Designator

  tap, circuit selector

• Contact Switching Action

  breaks before makes each section rear

• Overall Length

  4.875 inches nominal

• Flat Height

  0.250 inches nominal single actuator

• Features Provided

  actuator knob

• Overall Width

  4.125 inches nominal

• Mounting Facility Pattern

  four position circular single mounting facility

• Shaft Length

  1.125 inches nominal single actuator

• Terminal Type

  tab w/screw

• Mounting Method

  bracket single mounting facility and unthreaded hole single mounting facility

• Shaft Diameter

  0.375 inches nominal single actuator

• Overall Height

  4.125 inches nominal

• Switch Contact Basic Design

  nonpile-up symmetrical

• Shaft Type

  round, flatted, threaded hole single actuator

• First Flat Length

  0.875 inches nominal single actuator

• Unthreaded Mounting Hole Diameter

  3.219 inches nominal single mounting facility

• Contact Voltage Rating In Volts

  500.0 ac at sea level

• Throw Quantity

  2 each section rear

• Knob Manufacturer Code

  82121

• Switch Actuator Indexing Position Quantity

  3 single actuator

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Switch Actuator Positioning Increment

  90.0 degrees single actuator

• Contact Load Current Rating

  30.0 amperes resistive load ac at sea level