503A202

Technical Characteristics

• Circuit Protection Type

  overcurrent all locations

• Pole Quantity

  2

• Reset Method

  manual

• Storage Type

  general purpose warehouse

• Trip Release Characteristic

  time delay all locations

• Actuator Function

  trip-reset

• Internal Trip Release Configuration

  series trip all locations

• Center To Center Distance Between Terminals Parallel To Length

  0.687 inches nominal

• Mounting Facility Type And Quantity

  thd bushing

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

  500.0 dc all locations

• Operating Voltage Type And Rating Per Pole In Volts

  50.0 dc all locations

• Nominal Thread Size

  0.375 inches

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.300 nominal at 300 pct all locations and 0.800 nominal at 200 pct all locations and 100.000 nominal at 125 pct all locations and 0.170 nominal at 400 pct all locations

• Thread Quantity Per Inch

  32

• Trip Release Method

  magnetic all locations

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

  125.0 all locations

• Actuator Position Designation

  at pole two

• Terminal Type And Quantity

  4 wire hook

• Body Style

  multipole-single actuator type

• Case Material

  metal

• Inclosure Protection Type For Which Designed

  watertight

• Manual Actuator Type And Quantity

  1 toggle

• Main Contact Tripping Mechanism Type

  trip free

• Center To Center Distance Between Terminals Parallel To Width

  0.303 inches nominal

• Body Width

  0.625 inches maximum

• Thread Series Designator

  unef

• Maximum Continuous Load Current Rating Per Pole

  2.0 amperes dc all locations

• Body Length

  1.750 inches maximum

• Mounting Surface To Terminal End Distance

  1.635 inches nominal

• Bushing Length

  0.315 inches nominal