26509A-S

Technical Characteristics

• Thread Class

  2b

• Overall Length

  6.094 inches nominal

• Shaft Length

  1.125 inches nominal

• Knob Manufacturer Part Number

  a

• Longest Vertical Distance Between Mounting Centers

  2.297 inches nominal

• Switch Contact Basic Design

  nonpile-up symmetrical

• Pole Quantity

  3

• Throw Quantity

  3

• Mounting Method

  threaded hole

• Thread Quantity Per Inch

  24

• Nominal Thread Size

  0.190 inches

• Switch Actuator Indexing Position Quantity

  3

• Criticality Code Justification

  feat

• Contact Switching Action

  makes before breaks

• Contact Load Current Rating

  3.0 amperes resistive load

• Hazardous Locations/Environmental Protection

  explosion proof

• Overall Height

  2.813 inches nominal

• Overall Width

  2.813 inches nominal

• Individual Section Quantity

  9

• Knob Manufacturer Code

  82121

• Longest Horizontal Distance Between Mounting Centers

  2.297 inches nominal

• Features Provided

  actuator knob

• Contact Voltage Rating In Volts

  125.0

• Contact Voltage Rating In Volts

  240.0

• Contact Voltage Rating In Volts

  28.0

• Shaft Flat/Slot Angular Location

  0.0 degrees from contact position 1

• Mounting Facility Pattern

  four position rectangular

• Shaft Type

  rectangular/square,threaded hole

• Square Shaft Size

  0.250 inches nominal

• Terminal Type

  screw

• Switch Actuator Positioning Increment

  30.0 degrees

• Switch Actuator Stop Device Type

  fixed-adjustable stops

• Contact Load Current Rating

  7.5 amperes resistive load

• Special Features

  item must comply with requirements of desc production standard no. l02107 for navy nuclear propulsion plant products only

• Thread Series Designator

  unc