M3786/4-3021

Technical Characteristics

• Contact Load Current Rating

  75.0 milliamperes resistive load ac at sea level

• Contact Load Current Rating

  250.0 milliamperes resistive load and 100.0 milliamperes inductive load dc at sea level

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Iii Detent Rotational Torque Range

  1.000 to 4.500 inch-pounds single actuator

• Shaft Type

  round, flatted single actuator

• Rotor Through Connection Quantity

  4 single section

• Iii Shaft Flat/Slot Angular Location

  195.0 degrees from nonturn device single actuator

• Nominal Thread Size

  0.375 inches single mounting facility

• Mounting Method

  threaded bushing single mounting facility

• Iii Operating Temp Range

  -65.0 to 125.0 deg celsius

• Flat Height

  0.216 inches nominal single actuator

• Iii Hazardous Locations/Environmental Protection

  explosion proof

• Thread Class

  2a single mounting facility

• Thread Series Designator

  unef single mounting facility

• Style Designator

  9 tap, circular, bushing mount

• Special Features

  item must comply with requirements of desc production standard no. l02990; for navy nuclear propulsion plant products only

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Contact Switching Action

  breaks before makes single section rear

• Terminal Type

  tab, solder lug

• Criticality Code Justification

  feat

• Switch Actuator Indexing Position Quantity

  3 single actuator

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Throw Quantity

  3 single section rear

• Pole Quantity

  4 single section front

• Switch Contact Basic Design

  nonpile-up symmetrical

• Nonturn Device Type

  tab at 3:00 o'clock

• Individual Section Quantity

  1

• Nonturn Device Radius

  0.375 inches nominal at 3:00 o'clock

• Overall Diameter

  1.000 inches minimum and 1.306 inches maximum

• Shaft Length

  0.437 inches nominal single actuator

• Shaft Diameter

  0.250 inches nominal single actuator

• First Flat Length

  0.250 inches nominal single actuator

• Overall Length

  1.899 inches nominal

• Thread Length

  0.437 inches nominal single mounting facility