21204A

Technical Characteristics

• Knob Manufacturer Part Number

  a

• Contact Voltage Rating In Volts

  125.0 lowest ac voltage rating at sea level

• Longest Vertical Distance Between Mounting Centers

  2.297 inches nominal single mounting facility

• Switch Contact Basic Design

  nonpile-up symmetrical

• Shaft Type

  rectangular/square, threaded hole single actuator

• Switch Actuator Stop Device Type

  adjustable stop single actuator

• Throw Quantity

  3 each section rear

• Overall Length

  4.313 inches nominal

• Thread Quantity Per Inch

  24 single mounting facility

• Hazardous Locations/Environmental Protection

  dustproof

• Thread Series Designator

  unc single mounting facility

• Contact Load Current Rating

  10.0 amperes resistive load lowest dc voltage rating at sea level

• Knob Manufacturer Code

  82121

• Square Shaft Size

  0.250 inches nominal single actuator

• Thread Class

  2b single mounting facility

• Switch Actuator Indexing Position Quantity

  3 single actuator

• Nominal Thread Size

  0.190 inches single mounting facility

• Contact Load Current Rating

  10.0 amperes resistive load lowest ac voltage rating at sea level

• Contact Voltage Rating In Volts

  240.0 highest ac voltage rating at sea level

• Contact Load Current Rating

  2.0 amperes resistive load highest dc voltage rating at sea level

• Switch Actuator Positioning Increment

  45.0 degrees single actuator

• Style Designator

  tap, circuit selector

• Contact Load Current Rating

  5.0 amperes resistive load highest ac voltage rating at sea level

• Contact Switching Action

  breaks before makes each section rear

• Individual Section Quantity

  4

• Contact Voltage Rating In Volts

  28.0 lowest dc voltage rating at sea level

• Longest Horizontal Distance Between Mounting Centers

  2.297 inches nominal single mounting facility

• Features Provided

  actuator knob

• Overall Width

  2.812 inches nominal

• Mounting Method

  bracket single mounting facility and threaded hole single mounting facility

• Shaft Length

  1.125 inches nominal single actuator

• Mounting Facility Pattern

  four position rectangular single mounting facility

• Terminal Type

  tab w/screw

• Pole Quantity

  2 each section rear

• Overall Height

  2.812 inches nominal

• Contact Voltage Rating In Volts

  125.0 highest dc voltage rating at sea level