78-137-1

Technical Characteristics

• Maximum Continuous Load Current Rating Per Pole

  3.0 amperes dc second location

• Thread Series Designator

  unef

• Maximum Continuous Load Current Rating Per Pole

  5.0 amperes dc first location

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

  120.0 all locations

• Internal Trip Release Configuration

  relay trip all locations

• Trip Release Method

  magnetic all locations

• Actuator Position Designation

  at pole two

• Body Length

  1.531 inches nominal

• Body Style

  multipole-single actuator type

• Terminal Type And Quantity

  8 wire hook

• Case Material

  metal

• Manual Actuator Type And Quantity

  1 toggle

• Main Contact Tripping Mechanism Type

  trip free

• Mounting Surface To Terminal End Distance

  1.797 inches nominal

• Trip Release Characteristic

  instantaneous all locations

• Circuit Protection Type

  overcurrent all locations

• Pole Quantity

  2

• Center To Center Distance Between Terminals Parallel To Length

  0.437 inches nominal

• Reset Method

  manual

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Storage Type

  general purpose warehouse

• Center To Center Distance Between Terminals Parallel To Width

  0.625 inches nominal

• Actuator Function

  trip-reset

• Bushing Length

  0.310 inches nominal

• Body Width

  1.250 inches nominal

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

  500.0 dc all locations

• Operating Voltage Type And Rating Per Pole In Volts

  50.0 dc all locations

• Nominal Thread Size

  0.375 inches

• Thread Quantity Per Inch

  32