129-57

Technical Characteristics

• Maximum Voltage Rating In Volts

  440.0 ac and 30.0 dc

• Actuator Height

  1.688 inches nominal

• Body Height

  2.188 inches nominal

• Precious Material And Location

  contacts silver

• Precious Material

  silver

• Criticality Code Justification

  feat

• Special Features

  weapon system essential

• Body Width

  2.016 inches nominal

• Nonpile-Up Contact Arrangement

  1 pole, single throw, both positions maintained single switch unit

• Hazardous Locations/environmental Protection

  corrosion resistant

• Center To Center Distance Between Mounting Facilities Parallel To Length

  2.750 inches nominal

• Inclosure Type

  fully inclosed

• Overall Height

  4.626 inches nominal

• Overall Length

  3.266 inches nominal

• Actuator Style

  round

• Body Style

  hole mount

• Body Length

  3.266 inches nominal

• Mounting Method

  unthreaded hole

• Actuator Position-Action Relationship

  up position maintained and down position maintained

• Overall Width

  2.016 inches nominal

• Contact Load Current Rating At Maximum Rated Voltage

  175.000 amperes resistive dc and 45.000 amperes inductive dc and 12.000 amperes inductive ac and 125.000 amperes motor dc and 15.000 amperes resistive ac and 35.000 amperes lamp dc and 8.000 amperes motor ac

• Terminal Type And Quantity

  2 threaded stud