NSN: 5925-00-144-0288

Technical Characteristics

• Center To Center Distance Between Terminals Parallel To Length

  0.875 inches nominal

• 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

• Manual Actuator Type And Quantity

  1 toggle

• Actuator Position Designation

  at each pole

• Nominal Thread Size

  0.375 inches

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.580 minimum at 200 pct and 6.000 maximum at 200 pct and 0.080 minimum at 300 pct and 1.600 maximum at 300 pct and 0.010 minimum at 400 pct and 0.630 maximum at 400 pct all locations

• Reference Number Differentiating Characteristics

  as differentiated by special test features

• Body Style

  1b multipole-single actuator type

• Bushing Length

  0.340 inches nominal

• Body Length

  1.531 inches nominal

• Body Width

  1.250 inches nominal

• Case Material

  metal

• Center To Center Distance Between Terminals Parallel To Width

  0.625 inches nominal

• Mounting Surface To Terminal End Distance

  1.855 inches nominal

• Pole Quantity

  2

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Thread Quantity Per Inch

  32

• Maximum Continuous Load Current Rating Per Pole

  5.0 amperes dc all locations

• Operating Voltage Type And Rating Per Pole In Volts

  50.0 dc all locations

• 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

  2.400 minimum and 42.000 maximum all locations

• Main Contact Tripping Mechanism Type

  trip free

• Actuator Function

  reset

• Internal Trip Release Configuration

  series trip all locations

• Inclosure Protection Type For Which Designed

  hermetically sealed

• Special Test Features

  navord od36190

• Design Control Reference

  2315741p15

• Manufacturers Code

  10001

• Thread Series Designator

  unef

• Terminal Type And Quantity

  4 wire hook