88138AY

Technical Characteristics

• Knob Special Markings

  marked w/an arrow

• Nominal Thread Size

  0.190 inches single mounting facility

• Thread Class

  2b single mounting facility

• Square Shaft Size

  0.250 inches nominal single actuator

• Knob Manufacturer Code

  82121

• Shaft Flat/Slot Angular Location

  0.0 degrees from contact position 1 single actuator

• Thread Series Designator

  unc single mounting facility

• Switch Actuator Indexing Position Quantity

  8 single actuator

• Mounting Facility Circle Radius

  1.625 inches nominal single mounting facility

• Mounting Method

  threaded hole single mounting facility

• Thread Quantity Per Inch

  24 single mounting facility

• Overall Height

  2.813 inches nominal

• Contact Load Current Rating

  10.0 amperes resistive load ac at sea level

• Shaft Type

  rectangular/square, threaded hole single actuator

• Switch Contact Basic Design

  nonpile-up symmetrical

• Overall Length

  4.938 inches nominal

• Overall Width

  2.813 inches nominal

• Terminal Type

  clip

• Shaft Length

  1.219 inches nominal single actuator

• Hazardous Locations/Environmental Protection

  explosion proof

• Contact Voltage Rating In Volts

  125.0 ac at sea level

• Throw Quantity

  8 each section rear

• Mounting Facility Pattern

  four position circular single mounting facility

• Features Provided

  actuator knob

• Individual Section Quantity

  5

• Contact Switching Action

  breaks before makes each section rear

• Style Designator

  tap, circuit selector

• Switch Actuator Positioning Increment

  45.0 degrees single actuator

• Pole Quantity

  1 each section rear

• Knob Manufacturer Part Number

  a