721839-43

Technical Characteristics

• Mounting Method

  threaded bushing w/panel seal single mounting facility

• Shaft Length

  0.505 inches nominal single actuator

• Thread Class

  2a single mounting facility

• Terminal Type

  tab, solder lug

• Operating Temp Range

  -65.0/+125.0 deg celsius

• Nonturn Device Type

  flatted bushing at 3:00 o'clock

• Switch Contact Basic Design

  nonpile-up symmetrical

• Thread Series Designator

  unef single mounting facility

• First Flat Length

  0.440 inches nominal single actuator

• Shaft Diameter

  0.248 inches minimum single actuator and 0.251 inches maximum single actuator

• Rotor Through Connection Quantity

  1 each section

• Shaft Flat/Slot Angular Location

  330.0 degrees from nonturn device single actuator

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Switch Actuator Indexing Position Quantity

  8 single actuator

• Pole Quantity

  1 each section front

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Hazardous Locations/Environmental Protection

  explosion proof and watertight

• Overall Length

  2.930 inches nominal

• Flat Height

  0.211 inches minimum single actuator and 0.221 inches maximum single actuator

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Contact Switching Action

  breaks before makes each section rear

• Overall Diameter

  1.320 inches maximum

• Err Default

  err default

• Contact Load Current Rating

  2.0 amperes resistive load dc at sea level and 500.0 milliamperes inductive load dc at sea level

• Individual Section Quantity

  4

• Contact Load Current Rating

  1.0 amperes resistive load ac at sea level

• Style Designator

  tap, circular, bushing mount

• Nominal Thread Size

  0.375 inches single mounting facility

• Throw Quantity

  8 each section rear

• Shaft Type

  round, flatted single actuator