HE1B3-20P

Technical Characteristics

• Fragility Factor

  moderately rugged

• Arc Quenching Method

  magnetic blowout

• Circuit Protection Type

  overcurrent single location

• Ultimate Trip Time Per Pole In Seconds

  0.060 nominal single location

• Reset Method

  manual

• Main Contact Tripping Mechanism Type

  trip free

• Actuator Function

  trip-reset

• Actuator Position Designation

  at pole one

• Nominal Thread Size

  0.375 inches

• Inclosure Protection Type For Which Designed

  moisture resistant and fungus resistant and explosion resistant

• Unpackaged Unit Weight

  2.100 ounces

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

  120.0

• Manual Actuator Type And Quantity

  1 toggle

• Internal Trip Release Configuration

  series trip single location

• Thread Series Designator

  unef

• Terminal Type And Quantity

  2 wire hook

• Body Style

  2a single pole type

• Bushing Length

  0.360 inches minimum and 0.380 inches maximum

• Body Length

  1.531 inches minimum and 1.562 inches maximum

• Body Width

  0.594 inches minimum and 0.625 inches maximum

• Case Material

  metal

• Center To Center Distance Between Terminals Parallel To Length

  0.835 inches minimum and 0.906 inches maximum

• Mounting Surface To Terminal End Distance

  1.669 inches minimum and 1.700 inches maximum

• Pole Quantity

  1

• Mounting Facility Type And Quantity

  thd bushing w/panel seal

• Storage Type

  general purpose warehouse

• Thread Quantity Per Inch

  32

• Maximum Continuous Load Current Rating Per Pole

  20.0 amperes dc single location

• Operating Voltage Type And Rating Per Pole In Volts

  50.0 dc single location

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

  500.0 dc single location

• Trip Release Method

  magnetic-hydraulic single location

• Trip Release Characteristic

  instantaneous single location