DD493A

Technical Characteristics

• Style Designator

  circular wafer, bushing mount

• Overall Length

  2.125 inches nominal

• Err Default

  err default

• Precious Material

  silver

• Overall Height

  1.875 inches nominal

• Shaft Type

  round single actuator

• Nominal Thread Size

  0.375 inches single mounting facility

• Pole Quantity

  1 single section rear

• Precious Material And Location

  contacts and rotor blade surfaces silver

• Contact Switching Action

  breaks before makes single section rear

• Mounting Method

  threaded bushing single mounting facility

• Thread Class

  2a single mounting facility

• Terminal Type

  tab, solder lug

• Contact Voltage Rating In Volts

  110.0 ac at sea level

• Switch Contact Basic Design

  nonpile-up symmetrical

• Thread Series Designator

  unef single mounting facility

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Shaft Length

  0.812 inches nominal single actuator

• Contact Load Current Rating

  1.0 amperes resistive load dc at sea level

• Throw Quantity

  3 single section rear

• Overall Width

  1.609 inches maximum

• Switch Actuator Indexing Position Quantity

  3 single actuator

• Individual Section Quantity

  2

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Shaft Diameter

  0.250 inches nominal single actuator

• Switch Actuator Positioning Increment

  60.0 degrees single actuator

• Contact Load Current Rating

  500.0 milliamperes resistive load ac at sea level