7890-4020-4A

Technical Characteristics

• Nonturn Device Type

  tab at 12:00 o'clock

• Switch Contact Basic Design

  nonpile-up nonsymmetrical

• Shaft Length

  0.531 inches nominal 1st actuator

• Overall Width

  1.750 inches nominal

• Throw Quantity

  2 4th section rear

• Mounting Method

  threaded bushing single mounting facility

• Thread Class

  2a single mounting facility

• Throw Quantity

  8 1st section front

• Shaft Diameter

  0.250 inches nominal 1st actuator

• Terminal Type

  tab, solder lug

• Shaft Diameter

  0.250 inches nominal 2nd actuator

• Switch Actuator Positioning Increment

  20.0 degrees 1st actuator

• Thread Series Designator

  unef single mounting facility

• Switch Actuator Indexing Position Quantity

  8 2nd actuator

• Throw Quantity

  1 3rd section rear

• Switch Actuator Positioning Increment

  20.0 degrees 2nd actuator

• Nonturn Device Radius

  0.562 inches nominal at 12:00 o'clock

• Overall Length

  5.875 inches nominal

• Switch Actuator Stop Device Type

  fixed stop all actuators

• Pole Quantity

  1 each section front

• Operating Temp Range

  -25.0/+85.0 deg celsius

• Throw Quantity

  3 3rd section front

• Shaft Type

  round all actuators

• Contact Switching Action

  makes before breaks each section front

• Individual Section Quantity

  4

• Throw Quantity

  2 2nd section rear

• Overall Height

  1.875 inches nominal

• Contact Load Current Rating

  1.0 amperes resistive load ac at sea level

• Nominal Thread Size

  0.375 inches single mounting facility

• Overall Diameter

  1.875 inches nominal

• Switch Actuator Indexing Position Quantity

  7 1st actuator

• Style Designator

  circular wafer, bushing mount

• Throw Quantity

  3 4th section front

• Pole Quantity

  1 each section rear

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Throw Quantity

  2 1st section rear

• Throw Quantity

  2 2nd section front

• Err Default

  err default

• Shaft Length

  0.312 inches nominal 2nd actuator