NSN: 5925-01-031-9909

Technical Characteristics

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Length

  9.875 inches nominal

• Trip Release Characteristic

  instantaneous all locations

• Pole Quantity

  3

• Circuit Protection Type

  overcurrent all locations

• Thread Series Designator

  unc

• Reset Method

  manual

• Operating Voltage Type And Rating Per Pole In Volts

  500.0 ac all locations and 250.0 dc all locations

• Center To Center Distance Between Terminals Parallel To Length

  9.875 inches nominal

• Mounting Surface To Terminal End Distance

  9.312 inches maximum

• Actuator Function

  trip-reset

• Mounting Facility Type And Quantity

  4 threaded hole

• Body Width

  9.000 inches maximum

• Center To Center Distance Between Terminals Parallel To Width

  3.000 inches nominal

• Trip Release Method

  thermal-magnetic all locations

• Actuator Position Designation

  at pole two

• Inclosure Protection Type For Which Designed

  fungus resistant

• Body Style

  multipole-single actuator type

• Maximum Continuous Load Current Rating Per Pole

  125.0 amperes ac all locations and 125.0 amperes dc all locations

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

  138.0 all locations

• Nominal Thread Size

  0.250 inches

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

  15000.0 ac all locations and 20000.0 dc all locations

• Case Material

  plastic

• Terminal Type And Quantity

  6 threaded stud

• Boss Height

  0.250 inches nominal

• Body Length

  11.000 inches maximum

• Manual Actuator Type And Quantity

  1 toggle

• Thread Quantity Per Inch

  20

• End Item Identification

  circuit breaker aaqb 250fr 125trp 1950-4100tr

• Frequency In Hertz

  60.0 all locations

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  3.000 inches nominal

• Main Contact Tripping Mechanism Type

  trip free

• Trip Release Ambient Temp Rating

  50.0 maximum not applicable all locations