SM3HK7-250VAC400C1

Technical Characteristics

• Switch Contact Arrangement

  single pole, double throw

• Pole Quantity

  1

• Case Material

  metal

• Manual Actuator Type And Quantity

  1 toggle

• Internal Trip Release Configuration

  series trip single location

• Specification/Standard Data

  81349-mil-c-39019/2 government specification

• Trip Release Characteristic

  time delay single location

• Main Contact Tripping Mechanism Type

  trip free

• Arc Quenching Method

  magnetic blowout

• Switch Current Rating And Type In Amps

  0.5 ac and 0.5 dc

• Body Length

  1.562 inches maximum

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

  115.0 single location

• Frequency In Hertz

  400.0 single location

• Center To Center Distance Between Terminals Parallel To Length

  0.906 inches maximum

• Body Style

  single pole type

• Body Width

  0.625 inches maximum

• Thread Series Designator

  unef

• Switch Voltage Rating And Type In Volts

  120.0 ac and 50.0 dc

• Trip Delay Time In Seconds Per Rated Continuous Current

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

• Mounting Surface To Terminal End Distance

  1.700 inches maximum

• Unpackaged Unit Weight

  50.0 grams

• Auxiliary Switch Function And Quantity

  1 alarm

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

  300.0 ac single location and 500.0 dc single location

• Operating Voltage Type And Rating Per Pole In Volts

  240.0 ac single location and 50.0 dc single location

• Bushing Length

  0.380 inches maximum

• Switch Location And Position Designation

  internal at pole one

• ~1

  data on certain environmental and performanc

• Test Data Document

  81349-mil-c-39019 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

• Circuit Protection Type

  overcurrent single location

• Maximum Continuous Load Current Rating Per Pole

  7.0 amperes ac single location and 7.0 amperes dc single location

• Thread Quantity Per Inch

  32

• Nominal Thread Size

  0.375 inches

• Inclosure Protection Type For Which Designed

  fungus resistant and hermetically sealed

• Thread Pitch Diameters

  +0.3503/+0.3537 inches

• 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

• Special Handling Feature

  magnetic

• Switch Terminal Type

  tab, solder lug

• Terminal Type And Quantity

  2 wire hook

• Trip Release Method

  magnetic single location

• Fragility Factor

  moderately rugged