NSN: 5930-00-008-0552

Technical Characteristics

• Knob Manufacturer Part Number

  a

• Pole Quantity

  1 each section rear

• Shaft Type

  round, parallel flatted, threaded hole single actuator

• Contact Switching Action

  breaks before makes each section rear

• Longest Horizontal Distance Between Mounting Centers

  3.781 inches nominal single mounting facility

• Individual Section Quantity

  5

• Features Provided

  actuator knob

• Width Between Flats

  0.250 inches nominal single actuator

• Contact Load Current Rating

  60.0 amperes resistive load dc at sea level

• Style Designator

  tap, square frame

• Overall Height

  5.500 inches nominal

• Mounting Facility Pattern

  four position rectangular single mounting facility

• Terminal Type

  tab w/screw

• Throw Quantity

  1 each section rear

• Mounting Method

  bracket single mounting facility and unthreaded hole single mounting facility

• Overall Length

  8.188 inches nominal

• Switch Actuator Indexing Position Quantity

  4 single actuator

• Shaft Length

  1.188 inches nominal single actuator

• Shaft Diameter

  0.375 inches nominal single actuator

• Overall Width

  5.750 inches nominal

• Switch Contact Basic Design

  nonpile-up symmetrical

• Unthreaded Mounting Hole Diameter

  0.406 inches nominal single mounting facility

• Contact Voltage Rating In Volts

  250.0 dc at sea level

• Longest Vertical Distance Between Mounting Centers

  3.781 inches nominal single mounting facility

• Contact Voltage Rating In Volts

  500.0 ac at sea level

• Hazardous Locations/environmental Protection

  dustproof

• Knob Manufacturer Code

  82121

• Switch Actuator Positioning Increment

  90.0 degrees single actuator

• Contact Load Current Rating

  60.0 amperes resistive load ac at sea level

• First Flat Length

  0.750 inches nominal single actuator