SM3-12-5-50VDC2

Technical Characteristics

• Actuator Function

  trip-reset

• Storage Type

  general purpose warehouse

• Actuator Position Designation

  at pole one

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Reset Method

  manual

• Bushing Length

  0.332 inches minimum and 0.380 inches maximum

• Terminal Type And Quantity

  2 wire hook

• Trip Release Method

  magnetic single location

• Fragility Factor

  moderately rugged

• ~1

  data on certain environmental and performanc

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.055 minimum at 200 pct single location and 0.950 maximum at 200 pct single location

• Mounting Surface To Terminal End Distance

  1.700 inches maximum

• Thread Series Designator

  unef

• Body Width

  0.625 inches maximum

• Maximum Continuous Load Current Rating Per Pole

  12.5 amperes dc single location

• Body Style

  single pole type

• Center To Center Distance Between Terminals Parallel To Length

  0.906 inches maximum

• Operating Voltage Type And Rating Per Pole In Volts

  50.0 dc single location

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

  115.0 single location

• Body Length

  1.562 inches maximum

• Arc Quenching Method

  magnetic blowout

• Main Contact Tripping Mechanism Type

  trip free

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

  500.0 dc single location

• Trip Release Characteristic

  time delay single location

• Internal Trip Release Configuration

  series trip single location

• Manual Actuator Type And Quantity

  1 toggle

• Case Material

  metal

• Pole Quantity

  1

• Thread Pitch Diameters

  +0.3507/+0.3537 inches

• Circuit Protection Type

  overcurrent single location

• Specification/Standard Data

  81349-mil-c-39019/1 government specification

• Thread Quantity Per Inch

  32

• Nominal Thread Size

  0.375 inches

• Inclosure Protection Type For Which Designed

  fungus resistant and hermetically sealed

• Test Data Document

  81349-milc39019/1 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type