SM333-7-5-250-400-2

Technical Characteristics

• 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

• Case Material

  metal

• Center To Center Distance Between Terminals Parallel To Length

  0.870 inches minimum and 0.906 inches maximum

• 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

• Operating Voltage Type And Rating Per Pole In Volts

  250.0 ac

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

  300.0 ac

• Circuit Protection Type

  overcurrent

• Trip Release Method

  magnetic-hydraulic

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

  125.0

• Reset Method

  manual

• Main Contact Tripping Mechanism Type

  trip free

• Actuator Position Designation

  at pole two

• Internal Trip Release Configuration

  series trip

• Nominal Thread Size

  0.375 inches

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.180 minimum at 200 pct and 0.690 maximum at 200 pct

• Thread Series Designator

  unef

• Terminal Type And Quantity

  6 wire hook

• Body Style

  multipole-single actuator type

• Mounting Surface To Terminal End Distance

  1.647 inches minimum and 1.709 inches maximum

• Pole Quantity

  3

• Mounting Facility Type And Quantity

  1 threaded bushing

• Storage Type

  general purpose warehouse

• Thread Quantity Per Inch

  32

• Maximum Continuous Load Current Rating Per Pole

  7.5 amperes ac

• Trip Release Characteristic

  time delay

• Ultimate Trip Time Per Pole In Seconds

  0.800 minimum and 5.000 maximum

• Manual Actuator Type And Quantity

  1 toggle

• Actuator Function

  trip-reset

• Inclosure Protection Type For Which Designed

  explosion resistant and fungus resistant and hermetically sealed

• Frequency In Hertz

  400.0

• Test Data Document

  18876-11151920 drawing