NQB-A101

Technical Characteristics

• Trip Release Characteristic

  instantaneous all locations

• Pole Quantity

  3

• Circuit Protection Type

  overcurrent all locations

• Precious Material And Location

  contacts silver

• Body Width

  4.125 inches nominal

• Reset Method

  manual

• Auxiliary Switch Function And Quantity

  2 alarm

• Body Length

  6.500 inches nominal

• Special Features

  item must comply with requirements of desc production standard no. l02317; @for navy nuclear propulsion plant products only

• Precious Material

  silver

• Criticality Code Justification

  feat

• Actuator Function

  trip-reset

• Switch Terminal Type

  wire lead

• Terminal Type And Quantity

  6 threaded stud

• Center To Center Distance Between Terminals Parallel To Width

  1.375 inches nominal

• Center To Center Distance Between Terminals Parallel To Length

  5.562 inches nominal

• Trip Release Method

  thermal-magnetic all locations

• Boss Height

  0.187 inches nominal

• Unthreaded Mounting Hole Diameter

  0.281 inches nominal

• Actuator Position Designation

  at pole two

• Switch Contact Arrangement

  single pole, double throw

• Trip Release Ambient Temp Rating

  50.0 deg celsius nominal all locations

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

  10000.0 dc all locations

• Inclosure Protection Type For Which Designed

  fungus resistant and moisture resistant

• Body Style

  multipole-single actuator type

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

  150.0 all locations

• Manual Actuator Type And Quantity

  1 toggle

• Adjustable Trip Setting Current Range Per Pole In Amps

  +600.0/+700.0 dc all locations

• Main Contact Tripping Mechanism Type

  trip free

• Mounting Facility Type And Quantity

  4 unthreaded hole

• Operating Voltage Type And Rating Per Pole In Volts

  250.0 dc all locations

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  2.750 inches nominal

• Mounting Surface To Terminal End Distance

  3.875 inches nominal

• Features Provided

  interchangeable trip release

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Length

  2.625 inches nominal

• Case Material

  plastic

• Maximum Continuous Load Current Rating Per Pole

  5.0 amperes ac all locations and 5.0 amperes dc all locations