ST55P

Technical Characteristics

• Inclosure Type

  fully inclosed

• Nominal Thread Size

  0.138 inches

• Contact Load Current Rating At Maximum Rated Voltage

  500.000 milliamperes resistive dc and 8.000 amperes resistive ac

• Actuator Diameter

  0.235 inches minimum and 0.245 inches maximum

• Actuator Style

  round

• Terminal Type And Quantity

  6 screw

• Body Style

  hole mount

• Maximum Voltage Rating In Volts

  220.0 ac and 250.0 dc

• Mounting Method

  unthreaded hole

• Actuator Height

  0.850 inches minimum and 0.910 inches maximum

• Body Length

  1.520 inches maximum

• Nonpile-Up Contact Arrangement

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

• Actuator Position-Action Relationship

  up position maintained and down position maintained and center position maintained

• ~1

  data on certain environmental and performance

• Center To Center Distance Between Mounting Facilities Parallel To Length

  1.797 inches minimum and 1.827 inches maximum

• Thread Series Designator

  unc

• Body Width

  1.520 inches maximum

• Thread Quantity Per Inch

  32

• Hazardous Locations/Environmental Protection

  submersible

• Test Data Document

  81349-mil-s-3950 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type