77-1992

Technical Characteristics

• Overall Length

  3.064 inches minimum and 3.164 inches maximum

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Contact Switching Action

  breaks before makes 3rd section rear

• Err Default

  err default and err default

• Individual Section Quantity

  4

• Flat Height

  0.209 inches minimum single actuator and 0.219 inches maximum single actuator

• Contact Load Current Rating

  1.0 amperes resistive load ac at sea level

• Style Designator

  tap, circular, bushing mount

• Nominal Thread Size

  0.375 inches single mounting facility

• Overall Diameter

  1.060 inches minimum and 1.180 inches maximum

• Throw Quantity

  8 each section rear

• Shaft Type

  round, flatted single actuator

• Contact Load Current Rating

  500.0 milliamperes resistive load dc at sea level and 250.0 milliamperes inductive load dc at sea level

• Contact Switching Action

  makes before breaks 4th section rear

• Mounting Method

  threaded bushing w/panel seal single mounting facility

• Hazardous Locations/Environmental Protection

  watertight

• Thread Class

  2a single mounting facility

• Operating Temp Range

  -65.0/+85.0 deg celsius

• Terminal Type

  tab, solder lug

• Switch Contact Basic Design

  nonpile-up symmetrical

• Thread Series Designator

  unef single mounting facility

• Shaft Diameter

  0.248 inches minimum single actuator and 0.251 inches maximum single actuator

• Rotor Through Connection Quantity

  1 each section

• Shaft Length

  0.814 inches minimum single actuator and 0.914 inches maximum single actuator

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Shaft Flat/Slot Angular Location

  180.0 degrees from contact position 1 single actuator

• Contact Switching Action

  breaks before makes 1st section rear

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Switch Actuator Indexing Position Quantity

  8 single actuator

• First Flat Length

  0.240 inches minimum single actuator and 0.260 inches maximum single actuator

• Pole Quantity

  1 each section front

• Nonturn Device Type

  slotted bushing at 3:00 o'clock

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Contact Switching Action

  breaks before makes 2nd section rear

• 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

• ~1

  data on certain environmental and performance