NSN: 5930-01-033-9135

Technical Characteristics

• Knob Manufacturer Part Number

  a

• Pole Quantity

  1 each section rear

• Style Designator

  tap, circuit selector

• Contact Switching Action

  breaks before makes each section rear

• Individual Section Quantity

  4

• Features Provided

  actuator knob

• Precious Material

  silver

• Contact Load Current Rating

  200.0 amperes resistive load ac at sea level

• Overall Width

  6.750 inches nominal

• Hazardous Locations/Environmental Protection

  explosion proof

• Mounting Facility Pattern

  four position rectangular single mounting facility

• Overall Height

  6.750 inches nominal

• Contact Load Current Rating

  200.0 amperes resistive load dc at sea level

• Longest Horizontal Distance Between Mounting Centers

  5.625 inches nominal single mounting facility

• Switch Actuator Indexing Position Quantity

  4 single actuator

• Throw Quantity

  4 each section rear

• Terminal Type

  tab, solder lug

• Shaft Diameter

  0.375 inches nominal single actuator

• First Flat Length

  1.375 inches nominal single actuator

• Unthreaded Mounting Hole Diameter

  0.531 inches nominal single mounting facility

• Contact Voltage Rating In Volts

  250.0 ac at sea level

• Switch Contact Basic Design

  nonpile-up symmetrical

• Shaft Type

  round, flatted, threaded hole single actuator

• Flat Height

  0.219 inches nominal single actuator

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Mounting Method

  unthreaded hole single mounting facility

• Shaft Length

  1.688 inches nominal single actuator

• Longest Vertical Distance Between Mounting Centers

  5.625 inches nominal single mounting facility

• Knob Manufacturer Code

  82121

• Precious Material And Location

  contact surface silver

• Switch Actuator Positioning Increment

  90.0 degrees single actuator

• Overall Length

  11.751 inches nominal