SM3-1-75

Technical Characteristics

• Body Length

  1.448 inches minimum and 1.510 inches maximum

• Body Width

  0.567 inches minimum and 0.629 inches maximum

• Mounting Surface To Terminal End Distance

  1.524 inches minimum and 1.586 inches maximum

• Pole Quantity

  1

• Arc Quenching Method

  magnetic blowout

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Operating Voltage Type And Rating Per Pole In Volts

  250.0 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

  0.850 minimum at 200 pct and 4.500 maximum at 200 pct

• Unpackaged Unit Weight

  0.131 pounds

• Terminal Type And Quantity

  2 wire hook

• Frequency In Hertz

  60.0

• Thread Series Designator

  unef

• Inclosure Protection Type For Which Designed

  explosion resistant and fungus resistant and moisture resistant and hermetically sealed

• Internal Trip Release Configuration

  series trip

• Manual Actuator Type And Quantity

  1 toggle

• Main Contact Tripping Mechanism Type

  trip free

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

  125.0

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

  300.0 ac

• Maximum Continuous Load Current Rating Per Pole

  75.0 amperes ac

• Thread Quantity Per Inch

  32

• Storage Type

  general purpose warehouse

• Fragility Factor

  moderately rugged

• Center To Center Distance Between Terminals Parallel To Length

  0.870 inches minimum and 0.880 inches maximum

• Case Material

  metal

• Bushing Length

  0.360 inches minimum and 0.380 inches maximum