87-1971-1

Technical Characteristics

• Overall Length

  4.225 inches nominal

• First Flat Length

  0.235 inches minimum 1st actuator and 0.265 inches maximum

• Flat Height

  0.216 inches minimum 1st actuator and 0.220 inches maximum

• Nonturn Device Radius

  0.370 inches minimum at 3:00 o'clock and 0.380 inches maximum

• Individual Section Quantity

  3

• Nonturn Device Type

  pin at 3:00 o'clock

• Switch Contact Basic Design

  nonpile-up symmetrical

• Throw Quantity

  6 each section rear

• Features Provided

  variable resistor

• Contact Voltage Rating In Volts

  110.0 ac at sea level

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Shaft Flat/Slot Angular Location

  0.0 degrees from nonturn device 1st actuator

• Switch Actuator Indexing Position Quantity

  6 1st actuator

• Shaft Type

  round 2nd actuator

• Switch Actuator Stop Device Type

  fixed stop 1st actuator

• Contact Load Current Rating

  500.0 milliamperes resistive load ac at sea level

• Special Features

  second shaft used for varible resistor

• Style Designator

  4a circular wafer, bushing mount

• Thread Length

  0.360 inches minimum single mounting facility and 0.390 inches maximum

• Shaft Diameter

  0.123 inches minimum 2nd actuator and 0.126 inches maximum

• Shaft Diameter

  0.247 inches minimum 1st actuator and 0.251 inches maximum

• Shaft Length

  0.735 inches minimum 1st actuator and 0.765 inches maximum

• Shaft Length

  1.180 inches minimum 2nd actuator and 1.240 inches maximum

• Overall Diameter

  1.062 inches maximum

• Pole Quantity

  2 each section front

• Mounting Method

  threaded bushing single mounting facility

• Nominal Thread Size

  0.375 inches single mounting facility

• Rotor Through Connection Quantity

  2 each section

• Shaft Type

  round, hollowed, flatted 1st actuator

• Terminal Type

  tab, solder lug

• Contact Switching Action

  breaks before makes each section rear

• Switch Actuator Positioning Increment

  30.0 degrees 1st actuator

• Contact Load Current Rating

  1.0 milliamperes resistive load dc at sea level

• Thread Series Designator

  unef single mounting facility