NSN: 5925-01-156-4423

Technical Characteristics

• Body Style

  21b multipole-single actuator type

• Body Width

  8.250 inches nominal

• Body Height

  5.500 inches nominal

• Case Material

  plastic

• Unthreaded Mounting Hole Diameter

  0.312 inches nominal

• Mounting Facility Type And Quantity

  4 unthreaded hole

• Maximum Continuous Load Current Rating Per Pole

  300.0 amperes ac all locations

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

  25000.0 ac all locations

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

  150.0 all locations

• Ultimate Trip Time Per Pole In Seconds

  1000.000 nominal all locations

• Manual Actuator Type And Quantity

  1 push-pull

• Switch Location And Position Designation

  internal at each pole

• Switch Current Rating And Type In Amps

  6.0 ac

• Switch Voltage Rating And Type In Volts

  250.0 ac

• Body Length

  10.125 inches nominal

• Switch Contact Arrangement

  single pole, double throw

• Pole Quantity

  3

• Operating Voltage Type And Rating Per Pole In Volts

  600.0 ac all locations

• Circuit Protection Type

  overcurrent all locations

• Trip Release Method

  thermal-magnetic all locations

• Trip Release Characteristic

  time delay all locations

• Reset Method

  manual

• Main Contact Tripping Mechanism Type

  trip free

• Actuator Function

  trip-reset

• Actuator Position Designation

  at pole two

• Auxiliary Switch Function And Quantity

  2 control

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.125 nominal at 1000 pct all locations

• Trip Release Ambient Temp Rating

  50.0 deg celsius nominal all locations

• Switch Terminal Type

  wire lead

• Frequency In Hertz

  50.0 or 60.0 all locations

• Terminal Type And Quantity

  6 compression