HE3-A3-20-1

Technical Characteristics

• Body Length

  1.562 inches maximum

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.500 minimum at 100 pct all locations and 9.000 maximum at 125 pct all locations

• Operating Voltage Type And Rating Per Pole In Volts

  250.0 ac all locations

• Thread Series Designator

  unef

• Unpackaged Unit Weight

  6.300 ounces

• Terminal Type And Quantity

  6 wire hook

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

  300.0 ac all locations

• Fragility Factor

  moderately rugged

• Special Handling Feature

  magnetic

• Pole Quantity

  3

• Circuit Protection Type

  overcurrent all locations

• Reset Method

  manual

• 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

• Internal Trip Release Configuration

  series trip all locations

• Maximum Continuous Load Current Rating Per Pole

  20.0 amperes ac all locations

• Inclosure Protection Type For Which Designed

  shockproof and fungus resistant and explosion resistant and dustproof and moisture resistant and vibrationproof

• Mounting Facility Type And Quantity

  thd bushing

• Nominal Thread Size

  0.375 inches

• Thread Quantity Per Inch

  32

• Trip Release Method

  magnetic-hydraulic all locations

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

  125.0 all locations

• Actuator Position Designation

  at pole two

• Center To Center Distance Between Terminals Parallel To Length

  0.875 inches nominal

• Body Width

  1.840 inches maximum

• Body Style

  multipole-single actuator type

• Case Material

  metal

• Mounting Surface To Terminal End Distance

  1.780 inches nominal

• Manual Actuator Type And Quantity

  1 toggle

• Frequency In Hertz

  60.0 all locations

• Main Contact Tripping Mechanism Type

  trip free

• Arc Quenching Method

  magnetic blowout

• Bushing Length

  0.362 inches nominal