8431BQ

Technical Characteristics

• Overall Height

  4.375 inches nominal

• Knob Manufacturer Part Number

  a

• Pole Quantity

  1 each section rear

• Longest Horizontal Distance Between Mounting Centers

  2.281 inches nominal 1st mounting facility

• Mounting Facility Pattern

  four position rectangular 1st mounting facility

• Style Designator

  tap, circuit selector

• Nominal Thread Size

  0.250 inches 1st mounting facility

• Features Provided

  actuator knob

• Unthreaded Mounting Hole Diameter

  0.307 inches minimum 2nd mounting facility and 0.312 inches maximum 2nd mounting facility

• Overall Length

  7.781 inches nominal

• Thread Series Designator

  unc 1st mounting facility

• Shaft Length

  1.125 inches nominal single actuator

• Longest Vertical Distance Between Mounting Centers

  2.281 inches nominal 1st mounting facility

• Individual Section Quantity

  9

• Flat Height

  0.200 inches nominal single actuator

• Terminal Type

  tab w/screw

• Mounting Method

  bracket 2nd mounting facility and unthreaded hole 2nd mounting facility

• Thread Class

  2b 1st mounting facility

• Mounting Method

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

• Overall Width

  4.375 inches nominal

• Contact Voltage Rating In Volts

  125.0 lowest ac voltage rating at sea level

• Contact Load Current Rating

  30.0 amperes resistive load highest ac voltage rating at sea level

• Switch Contact Basic Design

  nonpile-up symmetrical

• Shaft Type

  round, flatted, threaded hole single actuator

• First Flat Length

  0.875 inches nominal single actuator

• Throw Quantity

  3 each section rear

• Thread Quantity Per Inch

  20 1st mounting facility

• Contact Switching Action

  makes before breaks, breaks before makes each section rear

• Hazardous Locations/Environmental Protection

  dustproof

• Contact Voltage Rating In Volts

  500.0 highest ac voltage rating at sea level

• Knob Manufacturer Code

  82121

• Switch Actuator Indexing Position Quantity

  3 single actuator

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Switch Actuator Positioning Increment

  90.0 degrees single actuator

• Shaft Diameter

  0.250 inches nominal single actuator

• Contact Load Current Rating

  10.0 amperes resistive load lowest ac voltage rating at sea level