NSN: 5925-01-311-2502

Technical Characteristics

• Case Material

  metal

• Body Length

  1.500 inches maximum

• Frequency In Hertz

  400.0 all locations

• Switch Voltage Rating And Type In Volts

  120.0 ac and 50.0 dc

• Switch Current Rating And Type In Amps

  0.5 ac and 0.5 dc

• Switch Terminal Type

  eyelet

• Inclosure Protection Type For Which Designed

  hermetically sealed and shock resistant and vibration resistant

• Switch Location And Position Designation

  internal at pole three

• Nominal Thread Size

  0.375 inches

• Actuator Function

  trip-reset

• Reset Method

  manual

• Trip Release Method

  magnetic all locations

• Circuit Protection Type

  overcurrent all locations

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

  1000.0 ac and 500.0 dc all locations

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Pole Quantity

  3

• Iii Fragility Factor

  moderately rugged

• Switch Contact Arrangement

  single pole, double throw

• Iii Nonturn Device Diameter

  0.109 inches minimum and 0.171 inches maximum

• Iii Nonturn Device Length

  0.063 inches minimum and 0.125 inches maximum

• Center To Center Distance Between Terminals Parallel To Length

  0.844 inches minimum and 0.906 inches maximum

• Terminal Type And Quantity

  6 wire hook

• Thread Series Designator

  unef

• Internal Trip Release Configuration

  series trip all locations

• Auxiliary Switch Function And Quantity

  1 alarm

• Actuator Position Designation

  at pole two

• 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

  115.0 all locations

• Trip Release Characteristic

  instantaneous all locations

• Operating Voltage Type And Rating Per Pole In Volts

  240.0 ac and 50.0 dc all locations

• Maximum Continuous Load Current Rating Per Pole

  17.5 amperes ac and 17.5 amperes dc all locations

• Thread Quantity Per Inch

  32

• Iii Special Handling Feature

  magnetic

• Iii Storage Type

  general purpose warehouse

• Iii Arc Quenching Method

  magnetic blowout

• Mounting Surface To Terminal End Distance

  1.780 inches maximum

• Iii Nonturn Device Radius

  0.594 inches minimum and 0.656 inches maximum

• Iii Nonturn Device Location

  at 3 oclock and at 9 oclock

• Center To Center Distance Between Terminals Parallel To Width

  0.594 inches minimum and 0.656 inches maximum

• Body Width

  1.875 inches maximum

• Bushing Length

  0.380 inches maximum

• Body Style

  1b multipole-single actuator type

• Thread Pitch Diameters

  0.3503 to 0.3537 inches