53-1921-1

Technical Characteristics

• Switch Actuator Positioning Increment

  22.5 degrees 2nd actuator

• First Flat Length

  0.250 inches nominal 1st actuator

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Contact Switching Action

  breaks before makes each section rear

• First Flat Length

  0.250 inches nominal 2nd actuator

• Err Default

  err default

• Shaft Type

  round, flatted 2nd actuator

• Flat Height

  0.214 inches nominal 1st actuator

• Style Designator

  tap, circular, bushing mount

• Shaft Type

  round, hollowed, flatted 1st actuator

• Nominal Thread Size

  0.375 inches single mounting facility

• Hazardous Locations/Environmental Protection

  explosion proof

• Mounting Method

  threaded bushing single mounting facility

• Contact Load Current Rating

  5.0 amperes resistive load ac at sea level

• Overall Length

  3.360 inches maximum

• Thread Class

  2a single mounting facility

• 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

• Shaft Flat/Slot Angular Location

  180.0 degrees from contact position 1 1st actuator

• Shaft Diameter

  0.250 inches nominal 1st actuator

• Terminal Type

  tab, solder lug

• Operating Temp Range

  -65.0/+125.0 deg celsius

• Shaft Length

  0.870 inches nominal 1st actuator

• Shaft Length

  1.310 inches nominal 2nd actuator

• Switch Contact Basic Design

  nonpile-up symmetrical

• Thread Series Designator

  unef single mounting facility

• Switch Actuator Indexing Position Quantity

  5 1st actuator

• Contact Load Current Rating

  3.0 amperes resistive load dc at sea level and 2.0 amperes inductive load dc at sea level

• Shaft Flat/Slot Angular Location

  180.0 degrees from contact position 1 2nd actuator

• Rotor Through Connection Quantity

  1 each section

• Overall Diameter

  1.500 inches maximum

• Shaft Diameter

  0.125 inches nominal 2nd actuator

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Switch Actuator Indexing Position Quantity

  5 2nd actuator

• Throw Quantity

  5 each section rear

• Switch Actuator Stop Device Type

  fixed stop all actuators

• Pole Quantity

  1 each section front

• Nonturn Device Type

  slotted bushing at 3:00 o'clock

• Individual Section Quantity

  2

• Flat Height

  0.094 inches nominal 2nd actuator

• Switch Actuator Positioning Increment

  22.5 degrees 1st actuator

• ~1

  data on certain environmental and performance