NSN: 5925-01-064-8144

Technical Characteristics

• Bushing Length

  0.332 inches minimum and 0.380 inches maximum

• 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

• Nonturn Device Location

  at 3 oclock and at 9 oclock

• Nonturn Device Diameter

  0.250 inches nominal

• Mounting Surface To Terminal End Distance

  1.780 inches maximum

• Pole Quantity

  2

• Arc Quenching Method

  magnetic blowout

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Storage Type

  general purpose warehouse

• Special Handling Feature

  magnetic

• Features Provided

  high inrush protection

• Thread Quantity Per Inch

  32

• Operating Voltage Type And Rating Per Pole In Volts

  5.0 dc second location

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

  300.0 ac first location

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

  500.0 dc second location

• Actuator Position Designation

  between pole one and two

• Internal Trip Release Configuration

  relay trip second location

• Internal Trip Release Configuration

  series trip first location

• Nominal Thread Size

  0.375 inches

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.500 minimum at 200 pct and 9.000 maximum at 100 pct first location

• Inclosure Protection Type For Which Designed

  hermetically sealed and vibrationproof and shockproof

• ~1

  milliseconds at 4 volts dc

• Special Features

  voltage time delay for relay trip pole is 35 milliseconds at 5 volts dc and 100

• Unpackaged Unit Weight

  3.600 ounces

• Thread Series Designator

  unef

• Body Style

  1b multipole-single actuator type

• Body Width

  1.250 inches maximum

• Fragility Factor

  moderately rugged

• Maximum Continuous Load Current Rating Per Pole

  1.0 amperes ac first location

• Operating Voltage Type And Rating Per Pole In Volts

  250.0 ac first location

• Circuit Protection Type

  overcurrent first location

• Circuit Protection Type

  overvoltage second location

• 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

  125.0

• Reset Method

  manual

• Main Contact Tripping Mechanism Type

  trip free

• Manual Actuator Type And Quantity

  1 toggle

• Actuator Function

  trip-reset

• Frequency In Hertz

  400.0

• Terminal Type And Quantity

  4 wire hook and 2 eyelet