520A302

Technical Characteristics

• Actuator Function

  reset

• Trip Release Method

  magnetic single location

• Reset Method

  manual

• Maximum Continuous Load Current Rating Per Pole

  3.0 amperes ac single location

• Overall Width

  0.625 inches nominal

• Nominal Thread Size

  0.375 inches

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.010 minimum at 400 pct single location and 0.700 maximum at 200 pct single location and 0.140 minimum at 200 pct single location and 0.150 maximum at 400 pct single location

• Thread Quantity Per Inch

  32

• Circuit Protection Type

  overcurrent single location

• Arc Quenching Method

  air

• Mounting Facility Type And Quantity

  1 threaded bushing

• Inclosure Protection Type For Which Designed

  hermetically sealed

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

  135.0 single location

• Pole Quantity

  1

• Case Material

  metal

• Manual Actuator Type And Quantity

  1 toggle

• Trip Release Characteristic

  time delay single location

• Main Contact Tripping Mechanism Type

  trip free

• Terminal Type And Quantity

  2 tab, solder lug

• Frequency In Hertz

  400.0 single location

• Overall Height

  2.600 inches nominal

• Thread Series Designator

  unef

• Operating Voltage Type And Rating Per Pole In Volts

  120.0 ac single location

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

  500.0 ac single location

• Overall Length

  1.500 inches nominal