AP-MIL-12-1-7-2-252

Technical Characteristics

• Unpackaged Unit Weight

  100.0 grams

• Frequency In Hertz

  400.0 all locations

• Thread Series Designator

  unef

• Mounting Surface To Terminal End Distance

  1.797 inches minimum and 1.828 inches maximum

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.500 minimum at 200 pct all locations and 9.000 maximum at 200 pct all locations

• Body Width

  1.250 inches minimum and 1.281 inches maximum

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  type data on certain environmental and performa

• Test Data Document

  81349-mil-prf-39019 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

• Fragility Factor

  moderately rugged

• Maximum Continuous Load Current Rating Per Pole

  2.5 amperes ac all locations and 2.5 amperes dc all locations

• Circuit Protection Type

  overcurrent all locations

• Pole Quantity

  2

• Bushing Length

  0.332 inches minimum and 0.380 inches maximum

• Reset Method

  manual

• Center To Center Distance Between Terminals Parallel To Width

  0.594 inches minimum and 0.656 inches maximum

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Storage Type

  general purpose warehouse

• Trip Release Characteristic

  time delay all locations

• Actuator Function

  trip-reset

• Internal Trip Release Configuration

  series trip all locations

• Center To Center Distance Between Terminals Parallel To Length

  0.875 inches minimum and 0.906 inches maximum

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

  300.0 ac all locations and 500.0 dc all locations

• Inclosure Protection Type For Which Designed

  fungus resistant and hermetically sealed

• Operating Voltage Type And Rating Per Pole In Volts

  240.0 ac all locations and 50.0 dc all locations

• Nominal Thread Size

  0.375 inches

• Thread Quantity Per Inch

  32

• Body Length

  1.531 inches minimum and 1.562 inches maximum

• Trip Release Method

  magnetic all locations

• Terminal Type And Quantity

  4 wire hook

• Body Style

  multipole-single actuator type

• Case Material

  metal

• Manual Actuator Type And Quantity

  1 toggle

• Actuator Position Designation

  between pole one and two

• Main Contact Tripping Mechanism Type

  trip free

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

  115.0 all locations

• Specification/Standard Data

  81349-mil-prf-39019/3 government specification