NSN: 5930-00-916-7910

Technical Characteristics

• Style Designator

  tap, circuit selector

• Features Provided

  actuator knob

• Throw Quantity

  1 each section front

• Overall Width

  3.500 inches nominal

• Mounting Method

  bracket single mounting facility and threaded hole single mounting facility

• Mounting Facility Pattern

  four position circular single mounting facility

• Individual Section Quantity

  6

• Hazardous Locations/Environmental Protection

  explosion proof

• Terminal Type

  tab w/screw

• Overall Length

  5.000 inches nominal

• Thread Quantity Per Inch

  32 single mounting facility

• Special Features

  reciprocating action contacts

• Switch Actuator Indexing Position Quantity

  4 single actuator

• Overall Height

  3.500 inches nominal

• Contact Voltage Rating In Volts

  400.0 ac at sea level

• Shaft Length

  1.000 inches nominal single actuator

• Operating Temp Range

  -65.0/+125.0 deg celsius

• Mounting Facility Circle Radius

  1.609 inches nominal single mounting facility

• Knob Manufacturer Part Number

  a

• Nominal Thread Size

  0.138 inches single mounting facility

• Shaft Diameter

  0.375 inches nominal single actuator

• Switch Contact Basic Design

  nonpile-up symmetrical

• Contact Voltage Rating In Volts

  250.0 dc at sea level

• Thread Series Designator

  unc single mounting facility

• Knob Manufacturer Code

  82121

• Shaft Type

  round, square, threaded hole single actuator

• Square Shaft Size

  0.250 inches nominal single actuator

• Thread Class

  2b single mounting facility

• Pole Quantity

  1 each section front

• Switch Actuator Positioning Increment

  90.0 degrees single actuator

• Contact Switching Action

  breaks before makes each section front

• Contact Load Current Rating

  30.0 amperes resistive load dc at sea level

• Contact Load Current Rating

  30.0 amperes resistive load ac at sea level