NSN: 5925-00-978-4408

Technical Characteristics

• Nominal Thread Size

  0.375 inches

• Frequency In Hertz

  400.0

• Unpackaged Unit Weight

  3.400 ounces

• Precious Material And Location

  contacts silver

• Precious Material

  silver

• Thread Series Designator

  unef

• Body Style

  multipole-single actuator type

• Bushing Length

  0.375 inches nominal

• Body Width

  1.250 inches maximum

• Mounting Surface To Terminal End Distance

  1.780 inches maximum

• Special Handling Feature

  magnetic

• Maximum Continuous Load Current Rating Per Pole

  7.5 amperes ac

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

  300.0 ac

• Circuit Protection Type

  overcurrent

• Reset Method

  manual

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.190 minimum at 200 pct and 0.700 maximum at 200 pct

• Inclosure Protection Type For Which Designed

  explosion resistant and fungus resistant and hermetically sealed

• Terminal Type And Quantity

  4 wire hook

• Body Length

  1.500 inches maximum

• Case Material

  metal

• Center To Center Distance Between Terminals Parallel To Length

  0.875 inches nominal

• Center To Center Distance Between Terminals Parallel To Width

  0.625 inches nominal

• Fragility Factor

  moderately rugged

• Pole Quantity

  2

• Arc Quenching Method

  magnetic blowout

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Storage Type

  general purpose warehouse

• Thread Quantity Per Inch

  32

• Operating Voltage Type And Rating Per Pole In Volts

  240.0 ac

• Trip Release Method

  magnetic-hydraulic

• Trip Release Characteristic

  time delay

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

  125.0

• Main Contact Tripping Mechanism Type

  trip free

• 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