721818-4

Technical Characteristics

• Thread Class

  2a single mounting facility

• Thread Length

  0.380 inches nominal single mounting facility

• Overall Length

  2.770 inches nominal

• Shaft Diameter

  0.248 inches minimum single actuator and 0.250 inches maximum

• Overall Diameter

  2.310 inches maximum

• Nonturn Device Radius

  0.530 inches nominal at 3:00 o'clock

• Nonturn Device Type

  tab at 3:00 o'clock

• Throw Quantity

  2 each section rear

• Nominal Thread Size

  0.375 inches single mounting facility

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Switch Actuator Indexing Position Quantity

  2 single actuator

• Contact Load Current Rating

  2.0 amperes resistive load ac at sea level

• Precious Material And Location

  contacts and rotor blades silver

• Shaft Length

  0.620 inches nominal single actuator

• Individual Section Quantity

  3

• Switch Contact Basic Design

  nonpile-up symmetrical

• Pole Quantity

  4 each section front

• Pole Quantity

  4 each section rear

• Throw Quantity

  2 each section front

• Mounting Method

  threaded bushing single mounting facility

• Shaft Type

  round single actuator

• Terminal Type

  tab, solder lug

• Contact Switching Action

  breaks before makes each section front

• Contact Switching Action

  breaks before makes each section rear

• Switch Actuator Positioning Increment

  15.0 degrees single actuator

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Contact Load Current Rating

  1.0 amperes resistive load dc at sea level

• Precious Material

  silver

• Style Designator

  4a circular wafer, bushing mount

• Thread Series Designator

  unef single mounting facility