72-143-20

Technical Characteristics

• Fragility Factor

  moderately rugged

• Maximum Continuous Load Current Rating Per Pole

  26.0 amperes ac all locations

• Pole Quantity

  3

• Circuit Protection Type

  overcurrent all locations

• Body Width

  2.280 inches maximum

• Thread Series Designator

  unc

• Trip Delay Time In Seconds Per Rated Continuous Current

  2.200 minimum at 200 pct all locations and 8.000 maximum at 200 pct all locations

• Reset Method

  manual

• Storage Type

  general purpose warehouse

• Trip Release Characteristic

  time delay all locations

• Internal Trip Release Configuration

  series trip all locations

• Body Length

  2.530 inches maximum

• Thread Quantity Per Inch

  32

• Trip Release Method

  magnetic all locations

• Body Style

  multipole-multiple actuator type

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

  125.0 all locations

• Mounting Surface To Terminal End Distance

  2.260 inches minimum and 2.380 inches maximum

• Unpackaged Unit Weight

  14.000 ounces

• Mounting Facility Type And Quantity

  6 threaded hole

• Nominal Thread Size

  0.138 inches

• Center To Center Distance Between Terminals Parallel To Width

  0.740 inches minimum and 0.760 inches maximum

• Main Contact Tripping Mechanism Type

  trip free

• Arc Quenching Method

  magnetic blowout

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Length

  2.052 inches minimum and 2.072 inches maximum

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  0.740 inches minimum and 0.760 inches maximum

• Operating Voltage Type And Rating Per Pole In Volts

  250.0 ac all locations

• Frequency In Hertz

  400.0 all locations

• Boss Height

  0.130 inches maximum

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

  2000.0 ac all locations

• Center To Center Distance Between Terminals Parallel To Length

  1.938 inches minimum and 1.958 inches maximum

• Inclosure Protection Type For Which Designed

  moisture resistant and fungus resistant

• Case Material

  plastic

• Terminal Type And Quantity

  6 threaded stud