520A301

Technical Characteristics

• Center To Center Distance Between Terminals Parallel To Length

  0.687 inches nominal

• Body Style

  2a single pole type

• Mounting Surface To Terminal End Distance

  1.500 inches nominal

• Pole Quantity

  1

• Iii Arc Quenching Method

  magnetic blowout

• Mounting Facility Type And Quantity

  1 threaded bushing

• Thread Quantity Per Inch

  32

• Maximum Continuous Load Current Rating Per Pole

  300.0 milliamperes ac single location

• Operating Voltage Type And Rating Per Pole In Volts

  120.0 ac single location

• Circuit Protection Type

  overcurrent single location

• Main Contact Tripping Mechanism Type

  trip free

• Manual Actuator Type And Quantity

  1 toggle

• Actuator Position Designation

  at pole one

• Nominal Thread Size

  0.375 inches

• Trip Delay Time In Seconds Per Rated Continuous Current

  1.000 minimum at 200 pct and 4.000 maximum at 200 pct single location

• Frequency In Hertz

  400.0 single location

• Iii Unpackaged Unit Weight

  2.100 ounces

• Thread Series Designator

  unef

• Bushing Length

  0.315 inches nominal

• Body Length

  1.700 inches maximum

• Body Width

  0.625 inches maximum

• Case Material

  metal

• Iii Fragility Factor

  moderately rugged

• Iii Storage Type

  general purpose warehouse

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

  500.0 ac single location

• Trip Release Method

  magnetic single location

• Trip Release Characteristic

  time delay single location

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

  135.0 single location

• Reset Method

  manual

• Actuator Function

  trip-reset

• Internal Trip Release Configuration

  series trip single location

• Inclosure Protection Type For Which Designed

  hermetically sealed

• Terminal Type And Quantity

  2 wire hook