21758

Technical Characteristics

• Nominal Thread Size

  0.138 inches

• Body Width

  2.250 inches nominal

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.150 minimum at 200 pct all locations and 1.500 maximum at 200 pct all locations

• Main Contact Tripping Mechanism Type

  trip free

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  0.750 inches nominal

• Arc Quenching Method

  magnetic blowout

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

  5000.0 ac all locations

• Frequency In Hertz

  50.0 all locations or 60.0 all locations

• Mounting Surface To Terminal End Distance

  2.475 inches nominal

• Operating Voltage Type And Rating Per Pole In Volts

  480.0 ac all locations

• Manual Actuator Type And Quantity

  3 toggle

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Length

  2.060 inches nominal

• Case Material

  plastic

• Body Length

  2.490 inches nominal

• Terminal Type And Quantity

  6 threaded stud

• Fragility Factor

  moderately rugged

• Center To Center Distance Between Terminals Parallel To Width

  0.750 inches nominal

• Pole Quantity

  3

• Circuit Protection Type

  overcurrent all locations

• Thread Series Designator

  unc

• Actuator Position Designation

  at each pole

• Reset Method

  manual

• Boss Height

  0.150 inches nominal

• Storage Type

  general purpose warehouse

• Trip Release Characteristic

  time delay all locations

• Actuator Function

  trip-reset

• External Actuator Linkage Arrangement

  one, two, and three linked

• Internal Trip Release Configuration

  series trip all locations

• Maximum Continuous Load Current Rating Per Pole

  20.0 amperes ac all locations

• Center To Center Distance Between Terminals Parallel To Length

  1.940 inches nominal

• Thread Quantity Per Inch

  32

• Trip Release Method

  magnetic-hydraulic all locations

• Body Style

  multipole-multiple actuator type

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

  125.0 all locations

• Inclosure Protection Type For Which Designed

  fungus resistant and moisture resistant

• Unpackaged Unit Weight

  14.000 ounces

• Mounting Facility Type And Quantity

  6 threaded hole