NSN: 5930-01-146-6640

Technical Characteristics

• Knob Manufacturer Part Number

  a

• Pole Quantity

  1 each section rear

• Overall Height

  6.000 inches nominal

• Style Designator

  tap, circuit selector

• Contact Switching Action

  breaks before makes 3rd section rear

• Features Provided

  actuator knob

• Overall Length

  11.219 inches nominal

• Longest Horizontal Distance Between Mounting Centers

  3.750 inches nominal 2nd mounting facility

• Shaft Type

  round single actuator

• Contact Load Current Rating

  60.0 amperes resistive load highest ac voltage rating at sea level

• Contact Switching Action

  makes before breaks 4th section rear

• Mounting Facility Pattern

  four position rectangular single mounting facility

• Terminal Type

  tab w/screw

• Contact Switching Action

  breaks before makes 10th section rear

• Mounting Method

  bracket single mounting facility and unthreaded hole single mounting facility

• Contact Switching Action

  makes before breaks 5th section rear

• Contact Switching Action

  breaks before makes 11th section rear

• Contact Voltage Rating In Volts

  125.0 lowest ac voltage rating at sea level

• Shaft Diameter

  0.375 inches nominal single actuator

• Contact Switching Action

  makes before breaks 6th section rear

• Contact Switching Action

  breaks before makes 12th section rear

• Switch Contact Basic Design

  nonpile-up symmetrical

• Longest Vertical Distance Between Mounting Centers

  3.781 inches nominal 1st mounting facility

• Contact Switching Action

  breaks before makes 7th section rear

• Throw Quantity

  3 each section rear

• Longest Vertical Distance Between Mounting Centers

  5.250 inches nominal 2nd mounting facility

• Shaft Length

  1.375 inches nominal single actuator

• Contact Load Current Rating

  75.0 amperes resistive load lowest ac voltage rating at sea level

• Individual Section Quantity

  12

• Contact Switching Action

  breaks before makes 8th section rear

• Contact Switching Action

  breaks before makes 1st section rear

• Hazardous Locations/Environmental Protection

  dustproof

• Overall Width

  4.750 inches nominal

• Special Features

  round threaded hole shaft

• Contact Voltage Rating In Volts

  500.0 highest ac voltage rating at sea level

• Knob Manufacturer Code

  82121

• Switch Actuator Indexing Position Quantity

  3 single actuator

• Contact Switching Action

  breaks before makes 9th section rear

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Switch Actuator Positioning Increment

  90.0 degrees single actuator

• Unthreaded Mounting Hole Diameter

  0.406 inches minimum single mounting facility and 0.410 inches maximum single mounting facility

• Contact Switching Action

  breaks before makes 2nd section rear

• Longest Horizontal Distance Between Mounting Centers

  3.781 inches nominal 1st mounting facility