HB3Z2-57

Technical Characteristics

• Switch Contact Arrangement

  single pole, double throw

• Body Style

  multipole-single actuator type

• Case Material

  metal

• Manual Actuator Type And Quantity

  1 toggle

• Body Width

  1.937 inches maximum

• Main Contact Tripping Mechanism Type

  trip free

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

  115.0 all locations

• Maximum Continuous Load Current Rating Per Pole

  10.0 amperes ac all locations and 10.0 amperes dc all locations

• Arc Quenching Method

  magnetic blowout

• Switch Current Rating And Type In Amps

  0.5 ac and 0.5 dc

• Body Length

  1.562 inches maximum

• Center To Center Distance Between Terminals Parallel To Length

  0.906 inches maximum

• Frequency In Hertz

  400.0 all locations

• Thread Series Designator

  unef

• Switch Voltage Rating And Type In Volts

  120.0 ac and 50.0 dc

• Auxiliary Switch Function And Quantity

  1 alarm

• Specification/Standard Data

  81349-mil-c-39019/6 government specification

• Terminal Type And Quantity

  6 wire hook

• Bushing Length

  0.330 inches nominal

• Test Data Document

  81349-mil-c-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 type

• Fragility Factor

  moderately rugged

• Switch Terminal Type

  tab, solder lug

• Special Handling Feature

  magnetic

• Pole Quantity

  3

• Circuit Protection Type

  overcurrent all locations

• Reset Method

  manual

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Switch Location And Position Designation

  internal at pole three

• Storage Type

  general purpose warehouse

• Trip Release Characteristic

  time delay all locations

• Center To Center Distance Between Terminals Parallel To Width

  0.625 inches nominal

• Actuator Function

  trip-reset

• Mounting Surface To Terminal End Distance

  1.828 inches maximum

• Internal Trip Release Configuration

  series trip all locations

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

  300.0 ac all locations and 500.0 dc all locations

• Thread Pitch Diameters

  +0.3503/+0.3537 inches

• 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

• Trip Release Method

  magnetic all locations

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.055 minimum at 200 pct all locations and 1.000 maximum at 200 pct all locations

• Unpackaged Unit Weight

  150.0 grams

• Actuator Position Designation

  at pole two

• ~1

  data on certain environmental and performanc