7271-3-3

Technical Characteristics

• Thread Series Designator

  unc

• Reset Method

  manual

• Maximum Continuous Load Current Rating Per Pole

  3.0 amperes ac single location and 3.0 amperes dc single location

• Terminal Type And Quantity

  2 screw

• Mounting Facility Type And Quantity

  2 threaded hole

• Trip Release Ambient Temp Rating

  -40.0 deg celsius minimum single location and 71.0 deg celsius nominal single location

• Circuit Protection Type

  overcurrent single location

• Trip Release Method

  thermal single location

• Nominal Thread Size

  6.0 millimeters

• Manual Actuator Type And Quantity

  1 push-pull

• Center To Center Distance Between Terminals Parallel To Length

  0.875 inches minimum and 0.937 inches maximum

• Part Name Assigned By Controlling Agency

  drawing: 7271-3 type push-pull trip-free circuit breaker

• Pole Quantity

  1

• Internal Trip Release Configuration

  series trip single location

• Trip Release Characteristic

  time delay single location

• Main Contact Tripping Mechanism Type

  trip free

• Bushing Length

  0.313 inches minimum and 0.375 inches maximum

• Frequency In Hertz

  400.0 single location

• Body Style

  single pole type

• Body Length

  2.187 inches maximum

• Special Features

  push-pull actuator marked with amp rating (3) on top

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

  4000.0 ac single location and 3500.0 dc single location

• Operating Voltage Type And Rating Per Pole In Volts

  120.0 ac single location and 30.0 dc single location

• ~1

  single location

• Body Width

  0.750 inches maximum

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Length

  1.781 inches minimum and 1.843 inches maximum

• Mounting Surface To Terminal End Distance

  1.281 inches minimum and 1.343 inches maximum

• Case Material

  plastic

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

  138.0 single location

• End Item Identification

  spanish air force

• Trip Delay Time In Seconds Per Rated Continuous Current

  40.000 minimum at 200 pct single location and 1.000 minimum at 600 pct single location and 26.000 maximum at 400 pct single location and 200.000 maximum at 200 pct single location and 3.000 minimum at 400 pct single location and 12.000 maximum at 600 pct