3145

Technical Characteristics

• Style Designator

  tap, circuit selector

• Shaft Type

  round, parallel flatted, threaded hole single actuator

• Contact Switching Action

  breaks before makes each section rear

• Individual Section Quantity

  4

• Features Provided

  actuator knob

• Mounting Method

  bracket single mounting facility and threaded hole single mounting facility

• Knob Special Markings

  arrow sign

• Mounting Facility Pattern

  four position circular single mounting facility

• Shaft Length

  1.125 inches nominal single actuator

• Switch Contact Basic Design

  nonpile-up nonsymmetrical

• Hazardous Locations/Environmental Protection

  explosion proof

• Terminal Type

  tab w/screw

• Switch Actuator Indexing Position Quantity

  4 single actuator

• Mounting Facility Circle Radius

  3.875 inches nominal single mounting facility

• Overall Height

  2.531 inches nominal

• Shaft Diameter

  0.375 inches nominal single actuator

• Overall Length

  4.125 inches nominal

• First Flat Length

  0.875 inches nominal single actuator

• Contact Voltage Rating In Volts

  500.0 ac at sea level

• Thread Series Designator

  unc single mounting facility

• Knob Manufacturer Part Number

  8164-12y

• Knob Manufacturer Code

  82121

• Nominal Thread Size

  0.250 inches single mounting facility

• Thread Class

  2b single mounting facility

• Overall Width

  2.531 inches nominal

• Switch Actuator Positioning Increment

  90.0 degrees single actuator

• Thread Quantity Per Inch

  20 single mounting facility

• Contact Load Current Rating

  30.0 amperes resistive load ac at sea level