0073-539P1

Technical Characteristics

• Thread Pitch Diameters

  +0.3503/+0.3537 inches

• Body Length

  1.500 inches maximum

• Case Material

  metal

• Center To Center Distance Between Terminals Parallel To Width

  0.594 inches minimum and 0.656 inches maximum

• Nonturn Device Radius

  0.594 inches minimum and 0.656 inches maximum

• Nonturn Device Length

  0.063 inches minimum and 0.125 inches maximum

• Nonturn Device Diameter

  0.109 inches minimum and 0.171 inches maximum

• Fragility Factor

  moderately rugged

• Mounting Surface To Terminal End Distance

  1.780 inches maximum

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

  115.0

• Main Contact Tripping Mechanism Type

  trip free

• Manual Actuator Type And Quantity

  1 toggle

• Actuator Position Designation

  at pole two

• Internal Trip Release Configuration

  series trip all locations

• Thread Series Designator

  unef

• Body Style

  1b multipole-single actuator type

• Bushing Length

  0.380 inches maximum

• Body Width

  1.875 inches maximum

• Center To Center Distance Between Terminals Parallel To Length

  0.844 inches minimum and 0.906 inches maximum

• Nonturn Device Location

  at 3 oclock and at 9 oclock

• Pole Quantity

  3

• Arc Quenching Method

  magnetic blowout

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Storage Type

  general purpose warehouse

• Special Handling Feature

  magnetic

• Thread Quantity Per Inch

  32

• Circuit Protection Type

  overcurrent all locations

• Trip Release Method

  magnetic all locations

• Reset Method

  manual

• Actuator Function

  trip-reset

• Nominal Thread Size

  0.375 inches

• Terminal Type And Quantity

  6 wire hook