259-2909-010

Technical Characteristics

• Thread Length

  0.500 inches nominal single mounting facility

• Overall Length

  2.625 inches nominal

• Shaft Diameter

  0.247 inches minimum and 0.251 inches maximum single actuator

• Overall Diameter

  1.200 inches maximum

• Nonturn Device Radius

  0.375 inches nominal at 3:00 o'clock

• Nonturn Device Type

  tab at 3:00 o'clock

• Switch Contact Basic Design

  nonpile-up symmetrical and nonpile-up nonsymmetrical

• Pole Quantity

  3 3rd section front

• Throw Quantity

  1 3rd section rear

• Throw Quantity

  12 1st section rear

• Contact Voltage Rating In Volts

  115.0

• Contact Voltage Rating In Volts

  28.0

• Switch Actuator Indexing Position Quantity

  12 single actuator

• Contact Switching Action

  breaks before makes 4th section rear

• Contact Switching Action

  makes before breaks 1st section rear

• Contact Switching Action

  makes before breaks 3rd section front

• Contact Switching Action

  makes before breaks 3rd section rear

• ~1

  level

• Contact Load Current Rating

  100.0 milliamperes resistive load dc at altitude

• Contact Load Current Rating

  200.0 milliamperes resistive load and 20.0 milliamperes inductive load dc at sea

• Contact Load Current Rating

  50.0 milliamperes resistive load ac at sea level

• Precious Material

  silver

• Style Designator

  4a circular wafer, bushing mount

• Thread Series Designator

  unef single mounting facility

• Thread Class

  2a single mounting facility

• Shaft Length

  0.375 inches nominal single actuator

• Individual Section Quantity

  4

• Operating Temp Range

  -65.0/+85.0 deg celsius

• End Item Identification

  af sat com 13499

• Pole Quantity

  1 4th section rear

• Pole Quantity

  3 3rd section rear

• Throw Quantity

  1 3rd section front

• Throw Quantity

  12 2nd section rear

• Throw Quantity

  9 4th section rear

• Mounting Method

  threaded bushing single mounting facility

• Nominal Thread Size

  0.375 inches single mounting facility

• Shaft Type

  round single actuator

• Terminal Type

  tab, solder lug

• Contact Switching Action

  makes before breaks 2nd section rear

• Switch Actuator Positioning Increment

  36.0 degrees single actuator

• Contact Load Current Rating

  50.0 milliamperes resistive load ac at altitude

• Precious Material And Location

  rotor blades and terminals silver