77-1968-1

Technical Characteristics

• Thread Length

  0.437 inches nominal single mounting facility

• Hazardous Locations/Environmental Protection

  explosion proof

• Overall Length

  2.645 inches nominal

• Nonturn Device Radius

  0.375 inches nominal at 3:00 o'clock

• Pole Quantity

  2 each section front

• Throw Quantity

  4 each section rear

• Mounting Method

  threaded bushing single mounting facility

• Style Designator

  9 tap, circular, bushing mount

• Contact Load Current Rating

  200.0 milliamperes resistive load and 25.0 milliamperes inductive load dc at alt

• Contact Load Current Rating

  2.0 amperes resistive load ac at sea level

• Contact Switching Action

  makes before breaks each section rear

• Terminal Type

  tab, solder lug

• Switch Actuator Indexing Position Quantity

  4 single actuator

• Shaft Flat/Slot Angular Location

  195.0 degrees from nonturn device single actuator

• Features Provided

  push to turn

• Switch Contact Basic Design

  nonpile-up symmetrical

• Operating Temp Range

  -65.0/+85.0 deg celsius

• Nonturn Device Type

  tab at 3:00 o'clock

• Individual Section Quantity

  2

• Overall Diameter

  1.000 inches minimum and 1.306 inches maximum

• Shaft Length

  0.437 inches nominal single actuator

• Shaft Diameter

  0.250 inches nominal single actuator

• Flat Height

  0.216 inches nominal single actuator

• First Flat Length

  0.250 inches nominal single actuator

• Thread Class

  2a single mounting facility

• Thread Series Designator

  unef single mounting facility

• Contact Load Current Rating

  20.0 milliamperes resistive load ac at altitude

• Contact Load Current Rating

  1.25 amperes resistive load and 0.25 amperes inductive load dc at sea level

• ~1

  itude

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Shaft Type

  round, flatted single actuator

• Rotor Through Connection Quantity

  2 each section

• Contact Voltage Rating In Volts

  28.0

• Contact Voltage Rating In Volts

  115.0

• Nominal Thread Size

  0.375 inches single mounting facility