SM33-3-50-2

Technical Characteristics

• Thread Series Designator

  unef

• Inclosure Protection Type For Which Designed

  hermetically sealed

• Actuator Position Designation

  between pole one and two

• Reset Method

  manual

• Trip Release Characteristic

  time delay

• Trip Release Method

  magnetic-hydraulic

• Circuit Protection Type

  overcurrent

• Maximum Continuous Load Current Rating Per Pole

  3.0 amperes dc

• Arc Quenching Method

  magnetic blowout

• Mounting Surface To Terminal End Distance

  1.828 inches maximum

• Case Material

  metal

• Terminal Type And Quantity

  4 wire hook

• Unpackaged Unit Weight

  3.400 ounces

• Trip Delay Time In Seconds Per Rated Continuous Current

  1.100 minimum at 200 pct and 7.000 maximum at 200 pct

• Nominal Thread Size

  0.375 inches

• Internal Trip Release Configuration

  series trip

• Actuator Function

  trip-reset

• 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 dc

• Operating Voltage Type And Rating Per Pole In Volts

  50.0 dc

• Thread Quantity Per Inch

  32

• Storage Type

  general purpose warehouse

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Pole Quantity

  2

• Center To Center Distance Between Terminals Parallel To Width

  0.656 inches maximum

• Center To Center Distance Between Terminals Parallel To Length

  0.885 inches maximum

• Body Width

  1.281 inches maximum

• Body Length

  1.562 inches maximum

• Bushing Length

  0.380 inches maximum