520A202

Technical Characteristics

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

  500.0 ac single location

• Operating Voltage Type And Rating Per Pole In Volts

  120.0 ac single location

• Thread Series Designator

  unef

• Overall Length

  1.750 inches nominal

• Overall Width

  0.630 inches nominal

• Frequency In Hertz

  400.0 single location

• Arc Quenching Method

  magnetic blowout

• Overall Height

  2.570 inches nominal

• Maximum Continuous Load Current Rating Per Pole

  2.0 amperes ac single location

• Main Contact Tripping Mechanism Type

  trip free

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

  125.0 single location

• Trip Release Characteristic

  time delay single location

• Manual Actuator Type And Quantity

  1 toggle

• Case Material

  metal

• Pole Quantity

  1

• Inclosure Protection Type For Which Designed

  hermetically sealed

• Mounting Facility Type And Quantity

  1 threaded bushing

• Circuit Protection Type

  overcurrent single location

• Thread Quantity Per Inch

  32

• Nominal Thread Size

  0.375 inches

• Reset Method

  manual

• Terminal Type And Quantity

  2 wire hook

• Trip Release Method

  magnetic single location

• Actuator Function

  reset

• ~1

  single location

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.800 maximum at 200 pct single location and 0.150 minimum at 200 pct single location and 0.010 minimum at 400 pct single location and 0.050 minimum at 300 pct single location and 0.370 maximum at 300 pct single location and 0.190 maximum at 400 pct