4-1900-1C3S

Technical Characteristics

• Thread Class

  2a

• Overall Length

  1.899 inches nominal

• Specification/Standard Data

  81349-mil-s-3786/4 government specification

• Thread Series Designator

  unef

• Test Data Document

  81349-mil-s-3786 specification

• Contact Load Current Rating

  250.0 milliamperes resistive load and 100.0 milliamperes inductive load

• Contact Switching Action

  makes before breaks

• Terminal Type

  tab,solder lug

• Switch Actuator Indexing Position Quantity

  3

• Shaft Flat/Slot Angular Location

  195.0 degrees from nonturn device

• Contact Voltage Rating In Volts

  28.0

• Contact Voltage Rating In Volts

  115.0

• Mounting Method

  threaded bushing

• Throw Quantity

  3

• Pole Quantity

  3

• Switch Contact Basic Design

  nonpile-up symmetrical

• Individual Section Quantity

  1

• Nonturn Device Radius

  0.375 inches nominal

• Overall Diameter

  1.000 inches minimum and 1.306 inches maximum

• Shaft Length

  0.437 inches nominal

• Shaft Diameter

  0.250 inches nominal

• Flat Height

  0.216 inches nominal

• Contact Load Current Rating

  75.0 milliamperes resistive load

• Switch Actuator Stop Device Type

  fixed stop

• Detent Rotational Torque Range

  p0.5/p2.5 inch-pounds (pound-inches)

• Switch Actuator Positioning Increment

  30.0 degrees

• Shaft Type

  round,flatted

• Rotor Through Connection Quantity

  3

• Nominal Thread Size

  0.375 inches

• Operating Temp Range

  m65.0/p125.0 deg celsius

• Nonturn Device Type

  tab

• First Flat Length

  0.250 inches nominal

• Hazardous Locations/Environmental Protection

  explosion proof

• Thread Length

  0.437 inches nominal