NSN: 5925-00-572-8348

Technical Characteristics

• Switch Terminal Type

  tab, solder lug

• Circuit Protection Type

  overcurrent all locations

• Pole Quantity

  2

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.950 maximum at 200 pct all locations and 0.055 minimum at 200 pct all locations and 0.130 maximum at 600 pct all locations and 0.240 maximum at 400 pct all locations and 0.060 maximum at 800 pct all locations

• Reset Method

  manual

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Switch Location And Position Designation

  internal at pole two

• Trip Release Characteristic

  time delay all locations

• Center To Center Distance Between Terminals Parallel To Width

  0.625 inches nominal

• Actuator Function

  trip-reset

• Mounting Surface To Terminal End Distance

  1.828 inches maximum

• Internal Trip Release Configuration

  series trip all locations

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

  500.0 dc all locations

• Operating Voltage Type And Rating Per Pole In Volts

  50.0 dc all locations

• Nominal Thread Size

  0.375 inches

• Thread Quantity Per Inch

  32

• Trip Release Method

  magnetic all locations

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

  125.0 all locations

• Terminal Type And Quantity

  4 wire hook

• Inclosure Protection Type For Which Designed

  fungus resistant

• Switch Contact Arrangement

  single pole, double throw

• 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

• Switch Current Rating And Type In Amps

  0.5 ac and 0.5 dc

• Body Length

  1.562 inches maximum

• Center To Center Distance Between Terminals Parallel To Length

  0.906 inches maximum

• Ultimate Trip Time Per Pole In Seconds

  0.200 minimum all locations and 7.000 maximum all locations

• Thread Series Designator

  unef

• Switch Voltage Rating And Type In Volts

  120.0 ac and 50.0 dc

• Maximum Continuous Load Current Rating Per Pole

  500.0 milliamperes dc all locations

• Auxiliary Switch Function And Quantity

  1 alarm

• Body Width

  1.281 inches maximum

• External Actuator Linkage Arrangement

  one and two linked

• Bushing Length

  0.380 inches maximum

• ~1

  data on certain environmental and performanc

• Test Data Document

  81349-milc39019-4 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 type