77-1910

Technical Characteristics

• Thread Length

  0.410 inches minimum single mounting facility and 0.470 inches maximum

• Flat Height

  0.205 inches minimum single actuator and 0.215 inches maximum

• Shaft Diameter

  0.248 inches minimum single actuator and 0.252 inches maximum

• Overall Diameter

  1.070 inches minimum and 1.100 inches maximum

• Nonturn Device Radius

  0.422 inches minimum at 3:00 o'clock and 0.442 inches maximum

• Individual Section Quantity

  3

• Thread Series Designator

  unef single mounting facility

• Contact Load Current Rating

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

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Shaft Type

  round, flatted single actuator

• Switch Actuator Indexing Position Quantity

  2 single actuator

• Rotor Through Connection Quantity

  6 each section

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Nominal Thread Size

  0.375 inches single mounting facility

• Pole Quantity

  6 each section front

• Shaft Length

  0.760 inches minimum single actuator and 0.880 inches maximum

• First Flat Length

  0.250 inches nominal single actuator

• Overall Length

  2.750 inches minimum and 2.900 inches maximum

• Hazardous Locations/Environmental Protection

  explosion proof

• Thread Class

  2a single mounting facility

• Style Designator

  9 tap, circular, bushing mount

• Contact Load Current Rating

  2.0 amperes resistive load ac at sea level

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Contact Switching Action

  breaks before makes each section rear

• Terminal Type

  tab, solder lug

• Shaft Flat/Slot Angular Location

  195.0 degrees from nonturn device single actuator

• Switch Actuator Momentary Position

  clockwise single actuator

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Mounting Method

  threaded bushing single mounting facility

• Throw Quantity

  2 each section rear

• Switch Contact Basic Design

  nonpile-up symmetrical

• Nonturn Device Type

  tab at 3:00 o'clock