SM3-1-25-50VDC1

Technical Characteristics

• Thread Pitch Diameters

  +0.3503/+0.3537 inches

• Bushing Length

  0.380 inches maximum

• Case Material

  metal

• Fragility Factor

  moderately rugged

• Mounting Surface To Terminal End Distance

  1.605 inches maximum

• Pole Quantity

  1

• Storage Type

  general purpose warehouse

• Thread Quantity Per Inch

  32

• Circuit Protection Type

  overcurrent single location

• Trip Release Method

  magnetic single location

• Trip Release Characteristic

  time delay single location

• Internal Trip Release Configuration

  series trip single location

• Inclosure Protection Type For Which Designed

  hermetically sealed and shock resistant and vibration resistant

• Thread Series Designator

  unef

• Terminal Type And Quantity

  2 wire hook

• Body Style

  2a single pole type

• Body Length

  1.562 inches maximum

• Body Width

  0.625 inches maximum

• Center To Center Distance Between Terminals Parallel To Length

  0.875 inches nominal

• Arc Quenching Method

  magnetic blowout

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Special Handling Feature

  magnetic

• Maximum Continuous Load Current Rating Per Pole

  1.25 amperes ac and 1.25 amperes dc single location

• Operating Voltage Type And Rating Per Pole In Volts

  240.0 ac and 50.0 dc single location

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

  1000.0 ac and 1000.0 dc single location

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

  135.0

• Reset Method

  manual

• Main Contact Tripping Mechanism Type

  trip free

• Manual Actuator Type And Quantity

  1 toggle

• 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

  0.500 minimum at 200 pct and 9.000 maximum at 200 pct single location

• Frequency In Hertz

  60.0 or 400.0

• Unpackaged Unit Weight

  1.800 ounces