SM3-0.5-120-2-400

Technical Characteristics

• Thread Series Designator

  unef

• Body Width

  0.625 inches maximum

• Center To Center Distance Between Terminals Parallel To Length

  0.875 inches nominal

• Pole Quantity

  1

• Mounting Facility Type And Quantity

  1 threaded bushing

• Thread Quantity Per Inch

  32

• Operating Voltage Type And Rating Per Pole In Volts

  120.0 ac

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

  500.0 ac

• Circuit Protection Type

  overcurrent

• Trip Release Method

  magnetic-hydraulic

• Trip Release Characteristic

  time delay

• Reset Method

  manual

• Actuator Function

  trip-reset

• Actuator Position Designation

  at pole one

• Nominal Thread Size

  0.375 inches

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.150 minimum at 200 pct and 0.650 maximum at 200 pct

• Inclosure Protection Type For Which Designed

  hermetically sealed

• Case Material

  metal

• Mounting Surface To Terminal End Distance

  1.656 inches maximum

• Arc Quenching Method

  magnetic blowout

• Storage Type

  general purpose warehouse

• Maximum Continuous Load Current Rating Per Pole

  500.0 milliamperes ac

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

  125.0

• Main Contact Tripping Mechanism Type

  trip free

• Manual Actuator Type And Quantity

  1 toggle

• Internal Trip Release Configuration

  series trip

• Frequency In Hertz

  400.0

• Unpackaged Unit Weight

  2.100 ounces

• Terminal Type And Quantity

  2 wire hook

• Bushing Length

  0.375 inches nominal

• Body Length

  1.562 inches maximum