NB31000

Technical Characteristics

• Body Style

  1d rectangular dimensional envelope

• Overall Height

  5.500 inches nominal

• Overall Width

  8.250 inches nominal

• Arc Quenching Method

  air

• Storage Type

  general purpose warehouse

• Maximum Continuous Load Current Rating Per Pole

  1000.0 amperes ac all locations

• Operating Voltage Type And Rating Per Pole In Volts

  600.0 ac all locations

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

  22000.0 ac all locations

• Circuit Protection Type

  overcurrent all locations

• Reset Method

  manual

• Actuator Function

  trip-reset

• Nominal Thread Size

  0.250 inches

• Trip Release Ambient Temp Rating

  50.0 deg celsius nominal all locations

• Special Features

  includes 120 vac,50 or 60 hz motor operator; 24 vdc control relay device

• Thread Series Designator

  unc

• Terminal Type And Quantity

  6 compression

• Overall Length

  16.000 inches nominal

• Case Material

  plastic

• Fragility Factor

  moderately rugged

• Pole Quantity

  3

• Mounting Facility Type And Quantity

  4 threaded hole

• Features Provided

  adjustable trip release and interchangeable trip release

• Thread Quantity Per Inch

  20

• Trip Release Method

  thermal-magnetic all locations

• Trip Release Characteristic

  instantaneous all locations

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

  125.0 all locations

• Main Contact Tripping Mechanism Type

  trip free

• Manual Actuator Type And Quantity

  1 toggle

• Actuator Position Designation

  at pole two

• Adjustable Trip Setting Current Range Per Pole In Amps

  4000.0 to 8000.0 ac all locations

• Inclosure Protection Type For Which Designed

  general purpose

• Frequency In Hertz

  50.0 all locations or 60.0

• Unpackaged Unit Weight

  51.000 pounds