M39019-5-11

Technical Characteristics

• Body Style

  1b multipole-single actuator type

• Bushing Length

  0.380 inches maximum

• Center To Center Distance Between Terminals Parallel To Width

  1.250 inches nominal

• Mounting Surface To Terminal End Distance

  1.828 inches maximum

• Pole Quantity

  3

• Mounting Facility Type And Quantity

  1 threaded bushing

• 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

• Ultimate Trip Time Per Pole In Seconds

  0.200 minimum all locations and 7.000 maximum

• Actuator Function

  trip-reset

• Body Length

  1.562 inches maximum

• Body Width

  1.937 inches maximum

• Case Material

  metal

• Center To Center Distance Between Terminals Parallel To Length

  0.906 inches maximum

• Maximum Continuous Load Current Rating Per Pole

  500.0 milliamperes dc all locations

• Operating Voltage Type And Rating Per Pole In Volts

  50.0 dc all locations

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

  500.0 dc all locations

• Circuit Protection Type

  overcurrent all locations

• Trip Release Characteristic

  time delay all locations

• Reset Method

  manual

• Main Contact Tripping Mechanism Type

  trip free

• Manual Actuator Type And Quantity

  1 toggle

• Actuator Position Designation

  at pole two

• Internal Trip Release Configuration

  series trip all locations

• Nominal Thread Size

  0.375 inches

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.055 minimum at 200 pct all locations and 0.950 maximum at 200 pct and 0.240 maximum at 400 pct

• Inclosure Protection Type For Which Designed

  fungus resistant and hermetically sealed

• Test Data Document

  81349-mil-c-39019 specification

• Thread Series Designator

  unef

• Terminal Type And Quantity

  6 wire hook