721899-281

Technical Characteristics

• Nonturn Device Radius

  0.035 inches minimum at 10:30 o'clock and 0.041 inches maximum at 10:30 o'clock

• Err Default

  err default

• Nonturn Device Type

  tab at 10:30 o'clock

• Individual Section Quantity

  5

• Precious Material

  silver

• Contact Load Current Rating

  1.0 amperes resistive load ac at sea level

• Nominal Thread Size

  0.375 inches single mounting facility

• Shaft Type

  round, flatted single actuator

• First Flat Length

  0.280 inches minimum single actuator and 0.340 inches maximum single actuator

• Mounting Method

  threaded bushing single mounting facility

• Thread Class

  2a single mounting facility

• Terminal Type

  tab, solder lug

• Shaft Flat/Slot Angular Location

  285.0 degrees from nonturn device single actuator

• Contact Voltage Rating In Volts

  110.0 ac at sea level

• Overall Length

  2.850 inches minimum and 2.940 inches maximum

• Switch Contact Basic Design

  nonpile-up symmetrical

• Thread Series Designator

  unef single mounting facility

• Shaft Diameter

  0.248 inches minimum single actuator and 0.250 inches maximum single actuator

• Flat Height

  0.190 inches minimum single actuator and 0.250 inches maximum single actuator

• Precious Material And Location

  contacts silver and rotor blade silver

• Shaft Length

  0.880 inches minimum single actuator and 0.940 inches maximum single actuator

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Overall Height

  1.500 inches minimum and 1.560 inches maximum

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Contact Load Current Rating

  2.0 amperes resistive load dc at sea level

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Throw Quantity

  9 each section rear

• Overall Width

  1.380 inches minimum and 1.440 inches maximum

• Style Designator

  circular wafer, bushing mount

• Pole Quantity

  1 each section rear

• Switch Actuator Indexing Position Quantity

  9 single actuator

• Contact Switching Action

  breaks before makes each section rear