NSN: 5925-01-051-2494

Technical Characteristics

• Body Style

  1b multipole-single actuator type

• Body Width

  1.875 inches maximum

• Center To Center Distance Between Terminals Parallel To Length

  0.875 inches nominal

• Pole Quantity

  3

• Iii Special Handling Feature

  magnetic

• 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

• Trip Release Characteristic

  time delay all locations

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

  125.0 all locations

• Ultimate Trip Time Per Pole In Seconds

  5.000 minimum and 40.000 maximum all locations

• Manual Actuator Type And Quantity

  1 toggle

• Actuator Function

  trip-reset

• Actuator Position Designation

  at pole two

• Frequency In Hertz

  60.0 all locations

• Bushing Length

  0.375 inches nominal

• Body Length

  1.500 inches maximum

• Case Material

  metal

• Center To Center Distance Between Terminals Parallel To Width

  0.625 inches nominal

• Iii Fragility Factor

  moderately rugged

• Mounting Surface To Terminal End Distance

  1.780 inches maximum

• Iii Arc Quenching Method

  magnetic blowout

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Iii Storage Type

  general purpose warehouse

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

  300.0 ac all locations

• Circuit Protection Type

  overcurrent all locations

• Trip Release Method

  magnetic-hydraulic all locations

• Reset Method

  manual

• Main Contact Tripping Mechanism Type

  trip free

• Internal Trip Release Configuration

  series trip all locations

• Nominal Thread Size

  0.375 inches

• Trip Delay Time In Seconds Per Rated Continuous Current

  1.000 minimum at 200 pct and 4.000 maximum at 200 pct and 0.200 minimum at 300 pct and 1.000 maximum at 300 pct all locations

• Inclosure Protection Type For Which Designed

  hermetically sealed

• Thread Series Designator

  unef

• Terminal Type And Quantity

  6 wire hook