NSN: 5925-00-180-3248

Technical Characteristics

• Body Style

  1b multipole-single actuator type

• Center To Center Distance Between Terminals Parallel To Length

  0.865 inches minimum and 0.885 inches maximum

• Center To Center Distance Between Terminals Parallel To Width

  0.615 inches minimum and 0.635 inches maximum

• Pole Quantity

  2

• Iii Arc Quenching Method

  magnetic blowout

• Thread Quantity Per Inch

  32

• Maximum Continuous Load Current Rating Per Pole

  5.0 amperes ac all locations

• Operating Voltage Type And Rating Per Pole In Volts

  250.0 ac all locations

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

  300.0 ac all locations

• Trip Release Method

  magnetic-hydraulic all locations

• Trip Release Characteristic

  time delay all locations

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

  150.0 all locations

• Main Contact Tripping Mechanism Type

  trip free

• Inclosure Protection Type For Which Designed

  dustproof

• Frequency In Hertz

  400.0 all locations

• Thread Series Designator

  unef

• Terminal Type And Quantity

  4 wire hook

• Manual Actuator Type And Quantity

  1 toggle

• Actuator Function

  trip-reset

• Actuator Position Designation

  between pole one and two

• Internal Trip Release Configuration

  series trip all locations

• Nominal Thread Size

  0.375 inches

• Bushing Length

  0.365 inches minimum and 0.385 inches maximum

• Body Length

  1.552 inches minimum and 1.572 inches maximum

• Body Width

  1.271 inches minimum and 1.291 inches maximum

• Case Material

  metal

• Iii Fragility Factor

  moderately rugged

• Mounting Surface To Terminal End Distance

  1.690 inches minimum and 1.710 inches maximum

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Iii Storage Type

  general purpose warehouse

• Circuit Protection Type

  overcurrent all locations

• Ultimate Trip Time Per Pole In Seconds

  30.000 nominal all locations

• Reset Method

  manual

• External Actuator Linkage Arrangement

  one and two linked

• Trip Delay Time In Seconds Per Rated Continuous Current

  1.000 minimum at 200 pct and 4.500 maximum at 200 pct all locations