NSN: 5925-00-539-3437

Technical Characteristics

• Thread Pitch Diameters

  0.3547 to 0.3591 inches

• Body Style

  1b multipole-single actuator type

• Bushing Length

  0.380 inches maximum

• Body Length

  1.500 inches maximum

• Body Width

  1.250 inches maximum

• Center To Center Distance Between Terminals Parallel To Length

  0.870 inches minimum and 0.880 inches maximum

• Center To Center Distance Between Terminals Parallel To Width

  0.620 inches minimum and 0.630 inches maximum

• Nonturn Device Radius

  0.620 inches minimum and 0.630 inches maximum

• Nonturn Device Diameter

  0.245 inches minimum and 0.255 inches maximum

• Fragility Factor

  moderately rugged

• Mounting Surface To Terminal End Distance

  1.780 inches maximum

• Arc Quenching Method

  magnetic blowout

• Thread Quantity Per Inch

  32

• Maximum Continuous Load Current Rating Per Pole

  3.0 amperes ac first location

• Operating Voltage Type And Rating Per Pole In Volts

  115.0 ac first location

• Operating Voltage Type And Rating Per Pole In Volts

  50.0 dc second location

• Trip Release Characteristic

  time delay all locations

• Main Contact Tripping Mechanism Type

  trip free

• Manual Actuator Type And Quantity

  1 toggle

• Actuator Position Designation

  between pole one and two

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.055 minimum at 200 pct all locations and 0.950 maximum at 200 pct

• Inclosure Protection Type For Which Designed

  shock resistant and fungus resistant and hermetically sealed

• Frequency In Hertz

  400.0 first location

• Unpackaged Unit Weight

  100.0 grams

• Thread Series Designator

  unef

• Case Material

  metal

• Nonturn Device Location

  at 3 oclock and at 9 oclock

• Nonturn Device Length

  0.135 inches minimum and 0.145 inches maximum

• Pole Quantity

  2

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Storage Type

  general purpose warehouse

• Maximum Continuous Load Current Rating Per Pole

  1.0 amperes dc second location

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

  300.0 ac first location

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

  500.0 dc second location

• Circuit Protection Type

  overcurrent all locations

• Trip Release Method

  magnetic all locations

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

  115.0 all locations

• Reset Method

  manual

• Actuator Function

  trip-reset

• Internal Trip Release Configuration

  series trip all locations

• Nominal Thread Size

  0.375 inches

• Terminal Type And Quantity

  4 wire hook