MIL-S-3786/2

Technical Characteristics

• Shaft Type

  round, flatted 2nd actuator

• Nominal Thread Size

  0.375 inches single mounting facility

• Mounting Method

  threaded bushing single mounting facility

• Flat Height

  0.211 inches minimum 1st actuator and 0.088 inches minimum 2nd actuator and 0.221 inches maximum 1st actuator

• Hazardous Locations/Environmental Protection

  shock resistant and vibration resistant

• Switch Actuator Indexing Position Quantity

  12 single actuator

• First Flat Length

  0.250 inches minimum 2nd actuator and 0.250 inches nominal 1st actuator

• Thread Class

  2a single mounting facility

• Nonturn Device Type

  tab at 3:00 o'clock

• First Flat Length

  0.260 inches maximum 2nd actuator

• Nonturn Device Radius

  0.531 inches nominal at 3:00 o'clock

• Operating Temp Range

  -65.0/+85.0 deg celsius

• Terminal Type

  tab, solder lug

• Shaft Length

  0.562 inches nominal 1st actuator

• Contact Voltage Rating In Volts

  115.0 lowest ac voltage rating at sea level

• Overall Length

  4.125 inches nominal

• Contact Load Current Rating

  250.0 milliamperes resistive load lowest ac voltage rating at sea level

• Switch Contact Basic Design

  nonpile-up symmetrical

• Thread Series Designator

  unef single mounting facility

• Shaft Diameter

  0.123 inches minimum 2nd actuator and 0.247 inches minimum 1st actuator and 0.251 inches maximum 1st actuator

• Rotor Through Connection Quantity

  1 each section

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Contact Load Current Rating

  50.0 milliamperes inductive load dc at sea level and 50.0 milliamperes resistive load highest ac voltage rating at sea level

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Shaft Diameter

  0.126 inches maximum 2nd actuator

• Pole Quantity

  1 each section front

• Overall Diameter

  1.750 inches maximum

• Test Data Document

  81349-mil-s-3786 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type

• Style Designator

  circular wafer, bushing mount

• Shaft Length

  0.500 inches nominal 2nd actuator

• Contact Switching Action

  breaks before makes each section rear

• Shaft Type

  round, flatted 1st actuator

• Specification/Standard Data

  81349-mil-s-3786/2 government specification

• Err Default

  err default

• Throw Quantity

  12 each section rear

• Individual Section Quantity

  4

• ~1

  data on certain environmental and performance

• Flat Height

  0.098 inches maximum 2nd actuator

• Contact Voltage Rating In Volts

  300.0 highest ac voltage rating at sea level

• Contact Load Current Rating

  500.0 milliamperes resistive load dc at sea level