MIL-S-3950

Technical Characteristics

• Mounting Method

  threaded bushing

• Nonpile-Up Contact Arrangement

  4 pole, double throw, three positions maintained single switch unit

• Thread Quantity Per Inch

  32

• Terminal Type And Quantity

  12 screw

• Actuator Diameter

  0.420 inches nominal

• Body Height

  1.110 inches nominal

• Inclosure Type

  fully inclosed

• Maximum Voltage Rating In Volts

  115.0 ac and 28.0 dc

• Mounting Surface To Terminal End Distance

  1.370 inches maximum

• Contact Load Current Rating At Maximum Rated Voltage

  12.000 amperes inductive dc and 20.000 amperes resistive dc and 5.000 amperes lamp dc and 15.000 amperes inductive ac and 15.000 amperes resistive ac and 4.000 amperes lamp ac

• Actuator Style

  round

• Body Length

  1.340 inches maximum

• Body Width

  1.660 inches maximum

• Body Style

  bushing mount

• Hazardous Locations/Environmental Protection

  dustproof and watertight

• Actuator Height

  1.140 inches maximum

• Thread Class

  2a

• Bushing Length

  0.470 inches nominal

• Actuator Position-Action Relationship

  center position maintained

• Nominal Thread Size

  0.469 inches

• Thread Series Designator

  uns

• Actuator Position-Locking Relationship

  center position locked out