SM3-57-50VDC

Technical Characteristics

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

  125.0 single location

• Actuator Function

  trip-reset

• Internal Trip Release Configuration

  series trip single location

• Inclosure Protection Type For Which Designed

  hermetically sealed and shock resistant and vibration resistant and corrosion resistant and moisture resistant

• Terminal Type And Quantity

  2 wire hook

• Body Style

  2a single pole type

• Bushing Length

  0.375 inches maximum

• Body Length

  1.500 inches maximum

• Case Material

  metal

• Mounting Surface To Terminal End Distance

  1.605 inches maximum

• Iii Arc Quenching Method

  magnetic blowout

• Iii Storage Type

  general purpose warehouse

• Operating Voltage Type And Rating Per Pole In Volts

  50.0 dc single location

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

  500.0 dc single location

• Circuit Protection Type

  overcurrent single location

• Trip Release Method

  magnetic single location

• Trip Release Characteristic

  time delay single location

• Reset Method

  manual

• 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

  0.100 minimum at 200 pct and 0.800 maximum at 200 pct single location

• Iii Unpackaged Unit Weight

  2.000 ounces

• Thread Series Designator

  unef

• Body Width

  0.625 inches maximum

• Center To Center Distance Between Terminals Parallel To Length

  0.875 inches nominal

• Iii Fragility Factor

  moderately rugged

• Pole Quantity

  1

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Iii Special Handling Feature

  magnetic

• Thread Quantity Per Inch

  32

• Maximum Continuous Load Current Rating Per Pole

  4.0 amperes dc single location