578722-003

Technical Characteristics

• Mounting Method

  threaded bushing

• Precious Material And Location

  contacts silver

• Actuator Height

  0.688 inches nominal

• Hazardous Locations/environmental Protection

  dustproof and corrosion resistant

• Terminal Type And Quantity

  6 tab, solder lug

• Precious Material

  silver

• Body Width

  0.750 inches nominal

• Nonpile-Up Contact Arrangement

  2 pole, double throw, both positions maintained single switch unit

• Overall Width

  0.750 inches nominal

• Thread Quantity Per Inch

  32

• Mounting Surface To Terminal End Distance

  1.060 inches nominal

• Body Length

  1.310 inches nominal

• Inclosure Type

  fully inclosed

• Overall Length

  1.310 inches nominal

• Maximum Voltage Rating In Volts

  115.0 ac and 28.0 dc

• Contact Load Current Rating At Maximum Rated Voltage

  15.000 amperes inductive dc and 15.000 amperes inductive ac and 20.000 amperes resistive ac and 20.000 amperes resistive dc and 7.000 amperes lamp dc and 4.000 amperes lamp ac

• Bushing Length

  0.469 inches nominal

• Actuator Style

  round

• End Item Identification

  qr66-85 21617

• Body Style

  bushing mount

• Overall Height

  2.217 inches nominal

• Actuator Position-Action Relationship

  up position maintained and down position maintained

• Actuator Color

  natural single actuator

• Thread Class

  2a

• Nominal Thread Size

  0.469 inches

• Thread Series Designator

  uns

• Case Material

  plastic