53-1950-3

Technical Characteristics

• Throw Quantity

  14 each section rear

• Contact Load Current Rating

  500.0 milliamperes resistive load dc at altitude

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Individual Section Quantity

  2

• Nonturn Device Type

  slotted bushing at 3:00 o'clock

• Pole Quantity

  1 each section front

• Contact Load Current Rating

  2.5 amperes resistive load dc at sea level

• Switch Actuator Indexing Position Quantity

  14 single actuator

• Shaft Flat/Slot Angular Location

  180.0 degrees from contact position 1 single actuator

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Overall Diameter

  1.500 inches maximum

• Shaft Diameter

  0.248 inches minimum single actuator and 0.252 inches maximum single actuator

• Rotor Through Connection Quantity

  1 each section

• Contact Load Current Rating

  1.5 amperes resistive load ac at sea level

• Thread Series Designator

  unef single mounting facility

• Switch Contact Basic Design

  nonpile-up symmetrical

• Flat Height

  0.207 inches minimum single actuator and 0.213 inches maximum single actuator

• Operating Temp Range

  -65.0/+125.0 deg celsius

• Terminal Type

  tab, solder lug

• Overall Length

  2.490 inches maximum

• Thread Class

  2a single mounting facility

• Mounting Method

  threaded bushing w/panel seal single mounting facility

• Hazardous Locations/Environmental Protection

  explosion proof

• Shaft Type

  round, flatted single actuator

• Nominal Thread Size

  0.375 inches single mounting facility

• Style Designator

  tap, circular, bushing mount

• First Flat Length

  0.300 inches nominal single actuator

• Err Default

  err default

• Shaft Length

  0.890 inches nominal single actuator

• Contact Switching Action

  breaks before makes each section rear

• Switch Actuator Positioning Increment

  22.5 degrees single actuator

• Contact Voltage Rating In Volts

  115.0 ac 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