NSN: 5925-00-905-1785

Technical Characteristics

• Actuator Function

  trip-reset

• Actuator Position Designation

  at pole one

• Nominal Thread Size

  0.138 inches

• Inclosure Protection Type For Which Designed

  fungus resistant and moisture resistant

• Unpackaged Unit Weight

  4.250 ounces

• Body Style

  12a single pole type

• Body Length

  2.490 inches minimum and 2.510 inches maximum

• Body Width

  0.740 inches minimum and 0.760 inches maximum

• Case Material

  plastic

• Center To Center Distance Between Terminals Parallel To Length

  1.928 inches minimum and 1.948 inches maximum

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Length

  2.052 inches minimum and 2.072 inches maximum

• Boss Height

  0.130 inches minimum and 0.150 inches maximum

• Mounting Surface To Terminal End Distance

  2.549 inches minimum and 2.673 inches maximum

• Mounting Facility Type And Quantity

  2 threaded hole

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

  120.0

• Internal Trip Release Configuration

  series trip single location

• Thread Series Designator

  unc

• Fragility Factor

  moderately rugged

• Pole Quantity

  1

• Arc Quenching Method

  magnetic blowout

• Storage Type

  general purpose warehouse

• Thread Quantity Per Inch

  32

• Maximum Continuous Load Current Rating Per Pole

  30.0 amperes dc single location

• Operating Voltage Type And Rating Per Pole In Volts

  50.0 dc single location

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

  2000.0 dc single location

• Circuit Protection Type

  overcurrent single location

• Trip Release Method

  magnetic-hydraulic single location

• Trip Release Characteristic

  instantaneous single location

• Reset Method

  manual

• Main Contact Tripping Mechanism Type

  trip free

• Manual Actuator Type And Quantity

  1 toggle

• Terminal Type And Quantity

  2 threaded stud