255986-MF4E

Technical Characteristics

• Style Designator

  circular wafer, bushing mount

• Pole Quantity

  1 2nd section rear

• Switch Actuator Positioning Increment

  15.0 degrees single actuator

• Err Default

  err default

• Contact Switching Action

  breaks before makes 3rd section rear

• Contact Load Current Rating

  70.0 milliamperes resistive load ac at altitude

• Individual Section Quantity

  4

• Shaft Length

  0.938 inches nominal single actuator

• Contact Voltage Rating In Volts

  30.0 dc at altitude

• Nominal Thread Size

  0.375 inches single mounting facility

• Flat Height

  0.216 inches nominal single actuator

• Contact Voltage Rating In Volts

  30.0 dc at sea level

• Shaft Type

  round, flatted single actuator

• Contact Switching Action

  breaks before makes 4th section rear

• Mounting Method

  threaded bushing single mounting facility

• Overall Length

  3.688 inches maximum

• Overall Width

  1.766 inches maximum

• Shaft Flat/Slot Angular Location

  315.0 degrees from nonturn device single actuator

• Thread Class

  2a single mounting facility

• Nonturn Device Type

  tab at 3:00 o'clock

• Overall Height

  2.344 inches nominal

• Nonturn Device Radius

  0.531 inches nominal at 3:00 o'clock

• Contact Voltage Rating In Volts

  150.0 ac at altitude

• Pole Quantity

  2 3rd section rear

• First Flat Length

  0.500 inches nominal single actuator

• Throw Quantity

  8 4th section rear

• Pole Quantity

  1 1st section front

• Contact Voltage Rating In Volts

  300.0 ac at sea level

• Contact Switching Action

  breaks before makes 1st section rear

• Throw Quantity

  4 1st section front

• Contact Switching Action

  breaks before makes 2nd section front

• Switch Actuator Indexing Position Quantity

  8 single actuator

• Pole Quantity

  2 4th section rear

• Throw Quantity

  4 1st section rear

• Pole Quantity

  1 1st section rear

• Throw Quantity

  4 2nd section front

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Pole Quantity

  1 2nd section front

• Throw Quantity

  4 2nd section rear

• Contact Switching Action

  breaks before makes 2nd section rear

• Contact Load Current Rating

  500.0 milliamperes resistive load dc at sea level

• ~1

  data on certain environmental and performance

• 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

• Operating Temp Range

  -65.0/+85.0 deg celsius

• Terminal Type

  tab, solder lug

• Contact Load Current Rating

  50.0 milliamperes resistive load ac at sea level

• Detent Rotational Torque Range

  +2.000/+8.000 inch-pounds single actuator

• Switch Contact Basic Design

  nonpile-up symmetrical

• Thread Series Designator

  unef single mounting facility

• Contact Load Current Rating

  350.0 milliamperes resistive load dc at altitude

• Contact Switching Action

  breaks before makes 1st section front

• Shaft Diameter

  0.248 inches minimum single actuator and 0.251 inches maximum single actuator

• Throw Quantity

  8 3rd section rear