NSN: 5925-01-176-1621

Technical Characteristics

• Thread Pitch Diameters

  0.4752 to 0.4787 inches

• Body Style

  1b multipole-single actuator type

• Bushing Length

  0.625 inches nominal

• Body Length

  2.000 inches nominal

• Body Width

  2.250 inches nominal

• Nonturn Device Length

  0.130 inches nominal

• Switch Contact Arrangement

  single pole, double throw

• Pole Quantity

  3

• Arc Quenching Method

  magnetic blowout

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Storage Type

  general purpose warehouse

• Thread Quantity Per Inch

  32

• Operating Voltage Type And Rating Per Pole In Volts

  240.0 ac all locations

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

  2100.0 ac all locations

• Circuit Protection Type

  overcurrent all locations

• Trip Release Method

  magnetic-hydraulic all locations

• Reset Method

  manual

• Main Contact Tripping Mechanism Type

  trip free

• Actuator Function

  trip-reset

• Internal Trip Release Configuration

  series trip all locations

• Inclosure Protection Type For Which Designed

  hermetically sealed and shock resistant and vibration resistant

• Thread Series Designator

  un

• Case Material

  plastic

• Center To Center Distance Between Terminals Parallel To Length

  1.530 inches nominal

• Center To Center Distance Between Terminals Parallel To Width

  0.750 inches nominal

• Nonturn Device Location

  at 12 oclock and at 9 oclock and at 3 oclock

• Nonturn Device Radius

  0.656 inches nominal

• Nonturn Device Diameter

  0.151 inches minimum and 0.161 inches maximum

• Fragility Factor

  moderately rugged

• Mounting Surface To Terminal End Distance

  2.232 inches maximum

• Special Handling Feature

  magnetic

• Maximum Continuous Load Current Rating Per Pole

  5.0 amperes ac all locations

• Trip Release Characteristic

  time delay all locations

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

  115.0 all locations

• Manual Actuator Type And Quantity

  1 toggle

• Actuator Position Designation

  at pole two

• Auxiliary Switch Function And Quantity

  1 alarm

• Nominal Thread Size

  0.500 inches

• Switch Location And Position Designation

  internal at pole one

• Trip Delay Time In Seconds Per Rated Continuous Current

  2.100 minimum at 200 pct all locations and 20.000 maximum at 200 pct

• Switch Terminal Type

  quick disconnect, male

• Switch Current Rating And Type In Amps

  10.0 ac and 5.0 dc

• Switch Voltage Rating And Type In Volts

  250.0 ac and 30.0 dc

• Frequency In Hertz

  400.0 all locations

• Unpackaged Unit Weight

  9.000 ounces

• Terminal Type And Quantity

  6 tab w/screw