NSN: 5925-01-512-8731

Technical Characteristics

• Test Data Document

  81349-mil-prf-39019 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general

• ~1

  type data on certain environmental and performa

• Circuit Protection Type

  overcurrent all locations

• Pole Quantity

  2

• Bushing Length

  0.332 inches minimum and 0.380 inches maximum

• Reset Method

  manual

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• End Item Identification

  aft steering unit

• Trip Release Characteristic

  time delay all locations

• Center To Center Distance Between Terminals Parallel To Width

  0.625 inches nominal

• Actuator Function

  trip-reset

• Internal Trip Release Configuration

  series trip all locations

• Nonturn Device Location

  at 12 oclock

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

  300.0 ac all locations and 500.0 dc all locations

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

  135.0 all locations

• Terminal Type And Quantity

  4 tab w/screw

• Nominal Thread Size

  0.375 inches

• Operating Voltage Type And Rating Per Pole In Volts

  50.0 dc all locations and 240.0 ac all locations

• Trip Release Method

  magnetic all locations

• Body Style

  multipole-single actuator type

• Case Material

  metal

• Manual Actuator Type And Quantity

  1 toggle

• Actuator Position Designation

  between pole one and two

• Main Contact Tripping Mechanism Type

  trip free

• Frequency In Hertz

  60.0 all locations or 400.0 all locations

• Maximum Continuous Load Current Rating Per Pole

  10.0 amperes ac all locations and 10.0 amperes dc all locations

• Specification/Standard Data

  81349-mil-prf-39019/3 government specification

• Body Length

  1.562 inches maximum

• Center To Center Distance Between Terminals Parallel To Length

  0.906 inches maximum

• Thread Series Designator

  unef

• Special Features

  2 mounting screws to enhance vibration resistance; circuit breaker furnished with nonturn devise

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.500 minimum at 200 pct all locations and 9.000 maximum at 200 pct all locations

• Body Width

  1.281 inches maximum

• Ultimate Trip Time Per Pole In Seconds

  3.000 minimum all locations and 60.000 maximum all locations

• Features Provided

  high inrush protection

• Mounting Surface To Terminal End Distance

  1.950 inches maximum

• Nonturn Device Radius

  0.325 inches nominal