6539-4

Technical Characteristics

• Knob Special Markings

  test indicator light

• Switch Actuator Positioning Increment

  45.0 degrees single actuator

• Shaft Length

  2.531 inches nominal single actuator

• Individual Section Quantity

  4

• Style Designator

  tap, circular frame

• Features Provided

  actuator knob

• Switch Contact Basic Design

  nonpile-up nonsymmetrical

• Contact Voltage Rating In Volts

  125.0 ac at sea level

• Terminal Type

  tab w/screw

• Mounting Facility Pattern

  two position in-line single mounting facility

• Overall Length

  6.219 inches nominal

• Thread Series Designator

  unf single mounting facility

• Shaft Type

  round, flatted, threaded hole single actuator

• Switch Actuator Momentary Position

  clockwise single actuator

• Switch Actuator Indexing Position Quantity

  2 single actuator

• Contact Load Current Rating

  10.0 amperes resistive load ac at sea level

• Overall Diameter

  3.750 inches nominal

• Mounting Method

  threaded hole single mounting facility

• Knob Manufacturer Code

  82121

• Thread Class

  2b single mounting facility

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Nominal Thread Size

  0.190 inches single mounting facility