166E446-1

Technical Characteristics

• Thread Series Designator

  unef single mounting facility

• Test Data Document

  81349-mil-s-3786 specification

• Contact Load Current Rating

  250.0 milliamperes resistive load and 125.0 milliamperes inductive load dc at se

• ~1

  a level

• Contact Switching Action

  breaks before makes single section rear

• Terminal Type

  tab, solder lug

• Shaft Type

  round, slotted single actuator

• Switch Actuator Indexing Position Quantity

  3 single actuator

• Contact Voltage Rating In Volts

  115.0

• Nominal Thread Size

  0.250 inches single mounting facility

• Throw Quantity

  3 single section rear

• Pole Quantity

  1 single section rear

• Operating Temp Range

  -55.0/+125.0 deg celsius

• Nonturn Device Type

  pin at 3:00 o'clock

• Individual Section Quantity

  1

• Nonturn Device Radius

  0.250 inches nominal at 3:00 o'clock

• Overall Diameter

  0.688 inches maximum

• Shaft Length

  0.437 inches nominal single actuator

• Shaft Diameter

  0.123 inches minimum and 0.126 inches maximum single actuator

• Overall Length

  1.057 inches nominal

• Thread Length

  0.312 inches nominal single mounting facility

• Style Designator

  9 tap, circular, bushing mount

• Contact Load Current Rating

  250.0 milliamperes resistive load ac at sea level

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Shaft Flat/Slot Angular Location

  15.0 degrees from nonturn device single actuator

• Contact Voltage Rating In Volts

  28.0

• Mounting Method

  threaded bushing single mounting facility

• Switch Contact Basic Design

  nonpile-up symmetrical

• Hazardous Locations/Environmental Protection

  explosion proof

• Thread Class

  2a single mounting facility