HB3Z1-89

Technical Characteristics

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

  115.0 all locations

• Frequency In Hertz

  60.0 all locations or 400.0 all locations

• Arc Quenching Method

  magnetic blowout

• Body Length

  1.562 inches maximum

• Center To Center Distance Between Terminals Parallel To Length

  0.906 inches maximum

• Thread Series Designator

  unef

• Maximum Continuous Load Current Rating Per Pole

  4.0 amperes ac all locations and 4.0 amperes dc all locations

• Unpackaged Unit Weight

  5.400 ounces

• Specification/Standard Data

  81349-mil-c-39019/5 government specification

• Terminal Type And Quantity

  6 wire hook

• Nonturn Device Diameter

  0.235 inches minimum and 0.265 inches maximum

• Nonturn Device Radius

  0.610 inches minimum and 0.640 inches maximum

• 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

• Special Handling Feature

  magnetic

• Pole Quantity

  3

• Circuit Protection Type

  overcurrent all locations

• 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

• ~1

  data on certain environmental and performanc

• Main Contact Tripping Mechanism Type

  trip free

• Body Width

  1.937 inches maximum

• Inclosure Protection Type For Which Designed

  shockproof and fungus resistant and salt spray proof and vibrationproof and moisture resistant and hermetically sealed

• Manual Actuator Type And Quantity

  1 toggle

• Case Material

  metal

• Body Style

  multipole-single actuator type

• Nonturn Device Location

  at 3 oclock and at 9 oclock

• Actuator Position Designation

  at pole two

• Trip Release Method

  magnetic all locations

• Thread Quantity Per Inch

  32

• Nominal Thread Size

  0.375 inches

• Operating Voltage Type And Rating Per Pole In Volts

  240.0 ac all locations and 50.0 dc all locations

• Thread Pitch Diameters

  +0.3503/+0.3537 inches

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

  300.0 ac all locations and 500.0 dc all locations

• Internal Trip Release Configuration

  series trip all locations

• Mounting Surface To Terminal End Distance

  1.828 inches maximum

• Actuator Function

  trip-reset

• Trip Release Characteristic

  time delay all locations

• Storage Type

  general purpose warehouse

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.055 minimum at 200 pct all locations and 0.950 maximum at 200 pct all locations