3831-3

Technical Characteristics

• Mounting Method

  threaded bushing

• Shaft Flat/Slot Angular Location

  180.0 degrees from contact position 1

• Rotor Through Connection Quantity

  3

• Switch Actuator Indexing Position Quantity

  3

• Shaft Type

  round,flatted

• Contact Switching Action

  breaks before makes

• Switch Actuator Positioning Increment

  30.0 degrees

• Style Designator

  square wafer,panel mount

• Thread Series Designator

  unef

• Hazardous Locations/Environmental Protection

  explosion proof

• Overall Length

  1.746 inches maximum

• First Flat Length

  0.218 inches nominal

• Flat Height

  0.211 inches minimum and 0.221 inches maximum

• Shaft Diameter

  0.247 inches minimum and 0.251 inches maximum

• Shaft Length

  0.656 inches nominal

• Individual Section Quantity

  1

• Pole Quantity

  3

• Nominal Thread Size

  0.375 inches

• Contact Voltage Rating In Volts

  115.0

• Contact Voltage Rating In Volts

  28.0

• Terminal Type

  tab,solder lug

• Switch Actuator Stop Device Type

  fixed stop

• Contact Load Current Rating

  0.5 amperes resistive load and 0.2 amperes inductive load

• Test Data Document

  81349-mil-s-3786/8 specification

• Thread Class

  2a

• Thread Length

  0.281 inches nominal

• Overall Height

  1.187 inches nominal

• Overall Width

  1.187 inches nominal

• Nonturn Device Type

  flatted bushing

• Operating Temp Range

  m65.0/p85.0 deg celsius

• Switch Contact Basic Design

  nonpile-up symmetrical

• Throw Quantity

  3