53-1982

Technical Characteristics

• Contact Load Current Rating

  500.0 milliamperes resistive load dc at sea level

• Shaft Diameter

  0.250 inches nominal single actuator

• Individual Section Quantity

  2

• Nonturn Device Type

  slotted bushing at 3:00 o'clock

• Pole Quantity

  1 each section front

• Throw Quantity

  16 each section rear

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Overall Diameter

  1.500 inches maximum

• Rotor Through Connection Quantity

  1 each section

• Thread Series Designator

  unef single mounting facility

• Switch Contact Basic Design

  nonpile-up symmetrical

• Overall Length

  2.275 inches nominal

• Operating Temp Range

  -65.0/+125.0 deg celsius

• Terminal Type

  tab, solder lug

• Thread Class

  2a single mounting facility

• Mounting Method

  threaded bushing single mounting facility

• Hazardous Locations/Environmental Protection

  explosion proof

• Shaft Type

  round, flatted single actuator

• Shaft Length

  0.810 inches nominal single actuator

• Nominal Thread Size

  0.375 inches single mounting facility

• First Flat Length

  0.250 inches nominal single actuator

• Flat Height

  0.210 inches nominal single actuator

• Contact Switching Action

  makes before breaks each section rear

• Err Default

  err default

• Switch Actuator Positioning Increment

  22.5 degrees single actuator

• Switch Actuator Indexing Position Quantity

  16 single actuator

• Style Designator

  circular wafer, bushing mount