91212

Technical Characteristics

• Knob Manufacturer Part Number

  a

• Individual Section Quantity

  3

• Overall Height

  4.750 inches nominal

• Terminal Type

  threaded stud

• Contact Switching Action

  breaks before makes each section rear

• Longest Horizontal Distance Between Mounting Centers

  3.781 inches nominal single mounting facility

• Features Provided

  actuator knob

• Style Designator

  tap, square frame

• Mounting Facility Pattern

  four position rectangular single mounting facility

• Flat Height

  0.281 inches nominal single actuator

• Contact Voltage Rating In Volts

  450.0 ac at sea level

• Switch Actuator Indexing Position Quantity

  4 single actuator

• Shaft Diameter

  0.375 inches nominal single actuator

• Switch Contact Basic Design

  nonpile-up symmetrical

• Shaft Type

  round, flatted, threaded hole single actuator

• Rotor Through Connection Quantity

  1 each section

• First Flat Length

  1.125 inches nominal single actuator

• Mounting Method

  unthreaded hole single mounting facility

• Longest Vertical Distance Between Mounting Centers

  3.781 inches nominal single mounting facility

• Throw Quantity

  2 each section rear

• Overall Width

  4.750 inches nominal

• Knob Manufacturer Code

  82121

• Shaft Length

  1.563 inches nominal single actuator

• Pole Quantity

  1 each section front

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Switch Actuator Positioning Increment

  90.0 degrees single actuator

• Contact Load Current Rating

  60.0 amperes resistive load ac at sea level

• Unthreaded Mounting Hole Diameter

  0.406 inches minimum single mounting facility and 0.410 inches maximum single mounting facility

• Overall Length

  8.625 inches nominal