121904LL

Technical Characteristics

• Pole Quantity

  1 each section rear

• Style Designator

  tap, circuit selector

• Flat Height

  0.218 inches nominal single actuator

• Contact Switching Action

  makes before breaks 3rd section rear

• Individual Section Quantity

  4

• Features Provided

  actuator knob

• Mounting Method

  bracket single mounting facility and threaded hole single mounting facility

• Overall Length

  4.250 inches nominal

• Contact Switching Action

  makes before breaks 4th section rear

• Mounting Facility Pattern

  four position rectangular single mounting facility

• Terminal Type

  tab w/screw

• Nominal Thread Size

  0.164 inches single mounting facility

• Thread Quantity Per Inch

  32 single mounting facility

• Longest Vertical Distance Between Mounting Centers

  2.312 inches nominal single mounting facility

• Switch Actuator Indexing Position Quantity

  4 single actuator

• Contact Voltage Rating In Volts

  450.0 highest ac voltage rating at sea level

• Shaft Length

  1.000 inches nominal single actuator

• Throw Quantity

  4 each section rear

• Contact Voltage Rating In Volts

  125.0 lowest ac voltage rating at sea level

• Switch Contact Basic Design

  nonpile-up symmetrical

• Shaft Type

  round, flatted, threaded hole single actuator

• Longest Horizontal Distance Between Mounting Centers

  2.312 inches nominal single mounting facility

• Contact Load Current Rating

  3.0 amperes resistive load highest ac voltage rating at sea level

• Contact Switching Action

  breaks before makes 1st section rear

• Thread Series Designator

  unc single mounting facility

• Thread Class

  2b single mounting facility

• Switch Actuator Positioning Increment

  90.0 degrees single actuator

• Shaft Diameter

  0.250 inches nominal single actuator

• Contact Switching Action

  breaks before makes 2nd section rear

• First Flat Length

  0.750 inches nominal single actuator

• Contact Load Current Rating

  10.0 amperes resistive load lowest ac voltage rating at sea level