8503K10

Technical Characteristics

• Thread Series Designator

  uns

• Body Height

  1.080 inches minimum and 1.120 inches maximum

• Nominal Thread Size

  0.469 inches

• Actuator Diameter

  0.400 inches minimum and 0.440 inches maximum

• Actuator Position-Action Relationship

  up position maintained and down position maintained

• Actuator Height

  1.135 inches minimum and 1.145 inches maximum

• Body Style

  bushing mount

• Body Width

  0.910 inches maximum

• Body Length

  1.340 inches maximum

• Actuator Style

  round

• Overall Width

  0.910 inches maximum

• Bushing Length

  0.450 inches minimum and 0.490 inches maximum

• Overall Length

  1.340 inches maximum

• Maximum Voltage Rating In Volts

  115.0 ac and 28.0 dc

• Thread Class

  2a and 2b

• Nonpile-Up Contact Arrangement

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

• Inclosure Type

  fully inclosed

• Hazardous Locations/Environmental Protection

  submersible

• Actuator Position-Locking Relationship

  up position locked in and down position locked in and center position locked out

• Thread Quantity Per Inch

  32

• Terminal Type And Quantity

  4 screw

• Overall Height

  3.005 inches maximum

• Mounting Method

  threaded bushing

• Contact Load Current Rating At Maximum Rated Voltage

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