AM3A8-A-40-20

Technical Characteristics

• ~1

  type data on certain environmental and performa

• Maximum Continuous Load Current Rating Per Pole

  40.0 amperes dc all locations

• Operating Voltage Type And Rating Per Pole In Volts

  50.0 dc all locations

• Thread Quantity Per Inch

  32

• Center To Center Distance Between Terminals Parallel To Width

  0.719 inches minimum and 0.781 inches maximum

• Trip Release Method

  magnetic all locations

• Body Style

  multipole-multiple actuator type

• Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent

  125.0 all locations

• Inclosure Protection Type For Which Designed

  fungus resistant

• Mounting Surface To Terminal End Distance

  2.553 inches maximum

• Mounting Facility Type And Quantity

  6 threaded hole

• Body Width

  2.156 inches minimum and 2.344 inches maximum

• Nominal Thread Size

  0.138 inches

• Main Contact Tripping Mechanism Type

  trip free

• Arc Quenching Method

  magnetic blowout

• Specification/Standard Data

  81349-mil-prf-55629/5 government specification

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  0.719 inches minimum and 0.781 inches maximum

• Body Length

  2.510 inches maximum

• Manual Actuator Type And Quantity

  3 toggle

• Boss Height

  0.109 inches minimum and 0.171 inches maximum

• Case Material

  plastic

• Terminal Type And Quantity

  6 threaded stud

• Fragility Factor

  moderately rugged

• Center To Center Distance Between Terminals Parallel To Length

  1.660 inches minimum and 1.960 inches maximum

• Pole Quantity

  3

• Circuit Protection Type

  overcurrent all locations

• Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps

  2000.0 dc all locations

• Thread Series Designator

  unc

• Actuator Position Designation

  at each pole

• Reset Method

  manual

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Length

  2.046 inches minimum and 2.078 inches maximum

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.300 minimum at 200 pct all locations and 2.300 maximum at 200 pct all locations

• Storage Type

  general purpose warehouse

• Trip Release Characteristic

  time delay all locations

• Actuator Function

  trip-reset

• External Actuator Linkage Arrangement

  one, two, and three linked

• Internal Trip Release Configuration

  series trip all locations

• Test Data Document

  81349-mil-prf-55629 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