NSN: 5925-00-280-1237

Technical Characteristics

• Thread Series Designator

  unef

• Switch Current Rating And Type In Amps

  1.0 ac and 0.5 dc

• Inclosure Protection Type For Which Designed

  hermetically sealed

• Switch Location And Position Designation

  internal at pole one

• Auxiliary Switch Function And Quantity

  1 control

• Actuator Position Designation

  between pole one and two

• Reset Method

  manual

• Trip Release Characteristic

  time delay

• Trip Release Method

  magnetic-hydraulic

• Circuit Protection Type

  overcurrent

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

  300.0 ac

• Operating Voltage Type And Rating Per Pole In Volts

  250.0 ac

• Special Handling Feature

  magnetic

• Mounting Surface To Terminal End Distance

  1.780 inches maximum

• Switch Contact Arrangement

  single pole,double throw

• Case Material

  metal

• Body Width

  1.250 inches maximum

• Bushing Length

  0.375 inches maximum

• Terminal Type And Quantity

  4 wire hook

• Frequency In Hertz

  400.0

• Switch Voltage Rating And Type In Volts

  125.0 ac and 50.0 dc

• Switch Terminal Type

  tab,solder lug

• Trip Delay Time In Seconds Per Rated Continuous Current

  3.000 minimum at 150 pct and 15.000 maximum at 150 pct and 0.020 minimum at 400 pct and 0.100 maximum at 400 pct

• Nominal Thread Size

  0.375 inches

• Internal Trip Release Configuration

  series trip

• Actuator Function

  trip-reset

• Manual Actuator Type And Quantity

  1 toggle

• Main Contact Tripping Mechanism Type

  trip free

• Ultimate Trip Time Per Pole In Seconds

  6.000 minimum and 30.000 maximum

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

  125.0

• Maximum Continuous Load Current Rating Per Pole

  1.0 amperes ac

• Thread Quantity Per Inch

  32

• Storage Type

  general purpose warehouse

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Arc Quenching Method

  magnetic blowout

• Pole Quantity

  2

• Fragility Factor

  moderately rugged

• Center To Center Distance Between Terminals Parallel To Width

  0.625 inches nominal

• Center To Center Distance Between Terminals Parallel To Length

  0.875 inches nominal

• Body Length

  1.500 inches maximum

• Body Style

  multipole-single actuator type