NSN: 5930-00-409-0327

Technical Characteristics

• Knob Manufacturer Code

  82121

• Square Shaft Size

  0.250 inches nominal single actuator

• Contact Load Current Rating

  20.0 amperes resistive load ac at sea level

• Unthreaded Mounting Hole Diameter

  0.221 inches nominal single mounting facility

• Switch Actuator Positioning Increment

  45.0 degrees single actuator

• Style Designator

  tap, circuit selector

• Contact Switching Action

  breaks before makes each section rear

• Individual Section Quantity

  4

• Features Provided

  actuator knob

• Longest Horizontal Distance Between Mounting Centers

  2.000 inches nominal single mounting facility

• Overall Length

  6.626 inches nominal

• Hazardous Locations/Environmental Protection

  dustproof

• Contact Voltage Rating In Volts

  500.0 ac at sea level

• Shaft Length

  2.438 inches nominal single actuator

• Throw Quantity

  3 each section rear

• Shortest Horizontal Distance Between Mounting Centers

  1.000 inches nominal single mounting facility

• Switch Actuator Stop Device Type

  adjustable stop single actuator

• Overall Height

  2.906 inches nominal

• Shaft Type

  rectangular/square, threaded hole single actuator

• Switch Contact Basic Design

  nonpile-up symmetrical

• Longest Vertical Distance Between Mounting Centers

  2.188 inches nominal single mounting facility

• Overall Width

  2.813 inches nominal

• Mounting Facility Pattern

  isosceles triangle single mounting facility

• Switch Actuator Indexing Position Quantity

  4 single actuator

• Knob Manufacturer Part Number

  b

• Pole Quantity

  2 each section rear

• Mounting Method

  bracket single mounting facility and unthreaded hole single mounting facility

• Terminal Type

  tab w/screw