SM-3-HK-1-240.400-2

Technical Characteristics

• Thread Pitch Diameters

  0.3503 to 0.3537 inches

• Body Style

  1b multipole-single actuator type

• Bushing Length

  0.360 inches minimum and 0.380 inches maximum

• Body Length

  1.464 inches minimum and 1.526 inches maximum

• Body Width

  1.841 inches minimum and 1.903 inches maximum

• Center To Center Distance Between Terminals Parallel To Length

  0.870 inches minimum and 0.906 inches maximum

• Switch Contact Arrangement

  single pole, double throw

• Mounting Surface To Terminal End Distance

  1.647 inches minimum and 1.709 inches maximum

• Pole Quantity

  3

• Thread Quantity Per Inch

  32

• Maximum Continuous Load Current Rating Per Pole

  1.0 amperes ac all locations

• Operating Voltage Type And Rating Per Pole In Volts

  240.0 ac all locations

• Trip Release Characteristic

  time delay all locations

• Reset Method

  manual

• Manual Actuator Type And Quantity

  1 toggle

• Actuator Function

  trip-reset

• Actuator Position Designation

  at pole two

• Auxiliary Switch Function And Quantity

  1 alarm

• Nominal Thread Size

  0.375 inches

• Switch Location And Position Designation

  internal at pole two

• Switch Current Rating And Type In Amps

  1.0 ac and 0.5 dc

• Switch Voltage Rating And Type In Volts

  12.5 ac and 50.0 dc

• Frequency In Hertz

  400.0 all locations

• Case Material

  metal

• Center To Center Distance Between Terminals Parallel To Width

  0.620 inches minimum and 0.630 inches maximum

• Fragility Factor

  moderately rugged

• Arc Quenching Method

  magnetic blowout

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Storage Type

  general purpose warehouse

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

  300.0 ac all locations

• Circuit Protection Type

  overcurrent all locations

• Trip Release Method

  magnetic all locations

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

  150.0 all locations

• Main Contact Tripping Mechanism Type

  trip free

• Internal Trip Release Configuration

  series trip all locations

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.055 minimum at 200 pct all locations and 0.950 maximum at 200 pct

• Inclosure Protection Type For Which Designed

  hermetically sealed

• Thread Series Designator

  unef

• Terminal Type And Quantity

  6 wire hook