NSN: 5930-00-225-8988

Technical Characteristics

• Knob Manufacturer Part Number

  a

• Switch Actuator Positioning Increment

  45.0 degrees single actuator

• Mounting Facility Pattern

  four position rectangular 1st mounting facility

• Style Designator

  tap, circuit selector

• Thread Series Designator

  unf 2nd mounting facility

• Contact Switching Action

  breaks before makes each section rear

• Err Default

  err default

• Mounting Facility Pattern

  four position circular 2nd mounting facility

• Features Provided

  actuator knob

• Thread Class

  2a 2nd mounting facility

• Overall Width

  2.812 inches nominal

• Nominal Thread Size

  0.190 inches 1st mounting facility

• Mounting Method

  threaded stud 2nd mounting facility

• Thread Series Designator

  unc 1st mounting facility

• Contact Voltage Rating In Volts

  125.0 ac at sea level

• Terminal Type

  tab w/screw

• Pole Quantity

  2 each section rear

• Overall Height

  2.812 inches nominal

• Thread Class

  2b 1st mounting facility

• Mounting Method

  bracket 1st mounting facility and threaded hole 1st mounting facility

• Longest Vertical Distance Between Mounting Centers

  2.297 inches nominal 1st mounting facility

• Shaft Length

  2.032 inches nominal single actuator

• Nominal Thread Size

  0.190 inches 2nd mounting facility

• Switch Contact Basic Design

  nonpile-up symmetrical

• Shaft Type

  rectangular/square, threaded hole single actuator

• Switch Actuator Stop Device Type

  adjustable stop single actuator

• Throw Quantity

  3 each section rear

• Contact Load Current Rating

  10.0 amperes resistive load ac at sea level

• Hazardous Locations/environmental Protection

  dustproof

• Mounting Facility Circle Radius

  0.906 inches nominal 2nd mounting facility

• Knob Manufacturer Code

  82121

• Square Shaft Size

  0.250 inches nominal single actuator

• Switch Actuator Indexing Position Quantity

  3 single actuator

• Thread Quantity Per Inch

  24 1st mounting facility

• Individual Section Quantity

  27

• Overall Length

  14.657 inches nominal

• Longest Horizontal Distance Between Mounting Centers

  2.297 inches nominal 1st mounting facility