121909LD

Technical Characteristics

• Thread Quantity Per Inch

  20 single mounting facility

• Switch Actuator Positioning Increment

  90.0 degrees single actuator

• Thread Class

  2b single mounting facility

• Nominal Thread Size

  0.250 inches single mounting facility

• Knob Manufacturer Code

  82121

• Thread Series Designator

  unc single mounting facility

• Contact Load Current Rating

  10.0 amperes resistive load ac at sea level

• Overall Width

  4.375 inches nominal

• Switch Actuator Indexing Position Quantity

  4 single actuator

• Terminal Type

  tab w/screw

• Hazardous Locations/Environmental Protection

  explosion proof

• Contact Voltage Rating In Volts

  125.0 ac at sea level

• Individual Section Quantity

  9

• Overall Height

  3.719 inches nominal

• Switch Contact Basic Design

  nonpile-up nonsymmetrical

• Mounting Facility Pattern

  four position circular single mounting facility

• Mounting Method

  bracket single mounting facility and threaded hole single mounting facility

• Overall Length

  8.000 inches nominal

• Features Provided

  actuator knob

• Style Designator

  tap, circuit selector

• Mounting Facility Circle Radius

  1.609 inches nominal single mounting facility