121302A

Technical Characteristics

• Knob Manufacturer Part Number

  a

• Pole Quantity

  1 each section rear

• Style Designator

  tap, circuit selector

• First Flat Length

  0.438 inches nominal single actuator

• Features Provided

  actuator knob

• Shaft Length

  0.688 inches nominal single actuator

• Flat Height

  0.188 inches nominal single actuator

• Contact Voltage Rating In Volts

  125.0 ac at sea level

• Mounting Facility Pattern

  four position rectangular single mounting facility

• Terminal Type

  tab w/screw

• Switch Actuator Indexing Position Quantity

  4 single actuator

• Overall Width

  2.406 inches nominal

• Shaft Diameter

  0.250 inches nominal single actuator

• Contact Switching Action

  breaks before makes each section front

• Nominal Thread Size

  0.190 inches single mounting facility

• Switch Actuator Positioning Increment

  90.0 degrees single actuator

• Individual Section Quantity

  2

• Thread Class

  2b single mounting facility

• Knob Manufacturer Code

  82121

• Overall Height

  2.500 inches maximum

• Thread Series Designator

  unc single mounting facility

• Longest Vertical Distance Between Mounting Centers

  1.641 inches nominal single mounting facility

• Mounting Method

  threaded hole single mounting facility

• Hazardous Locations/Environmental Protection

  dustproof

• Thread Quantity Per Inch

  24 single mounting facility

• Longest Horizontal Distance Between Mounting Centers

  1.641 inches nominal single mounting facility

• Contact Load Current Rating

  10.0 amperes resistive load ac at sea level

• Throw Quantity

  3 each section rear

• Shaft Type

  round, flatted, threaded hole single actuator

• Switch Contact Basic Design

  nonpile-up symmetrical

• Overall Length

  3.031 inches nominal