288A889AMPT1

Technical Characteristics

• Thread Series Designator

  unc single mounting facility

• Knob Manufacturer Code

  82121

• Thread Class

  2b single mounting facility

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Nominal Thread Size

  0.190 inches single mounting facility

• Shaft Diameter

  0.250 inches nominal single actuator

• Knob Manufacturer Part Number

  a

• Pole Quantity

  1 each section rear

• Switch Actuator Positioning Increment

  45.0 degrees single actuator

• Style Designator

  tap, circuit selector

• Contact Switching Action

  breaks before makes each section rear

• Longest Horizontal Distance Between Mounting Centers

  2.297 inches nominal single mounting facility

• Individual Section Quantity

  5

• Features Provided

  actuator knob

• Overall Width

  2.812 inches nominal

• Shaft Length

  1.125 inches nominal single actuator

• Contact Voltage Rating In Volts

  125.0 ac at sea level

• Mounting Facility Pattern

  four position rectangular single mounting facility

• Terminal Type

  tab w/screw

• Throw Quantity

  1 each section rear

• Overall Height

  2.812 inches nominal

• Overall Length

  3.125 inches nominal

• Longest Vertical Distance Between Mounting Centers

  2.297 inches nominal single mounting facility

• Switch Contact Basic Design

  nonpile-up symmetrical

• Shaft Type

  round, flatted, threaded hole single actuator

• First Flat Length

  0.875 inches nominal single actuator

• Switch Actuator Indexing Position Quantity

  2 single actuator

• Flat Height

  0.219 inches nominal single actuator

• Contact Load Current Rating

  10.0 amperes resistive load ac at sea level

• Thread Quantity Per Inch

  24 single mounting facility

• Hazardous Locations/Environmental Protection

  dustproof

• Mounting Method

  threaded hole single mounting facility