SM-A-885273

Technical Characteristics

• Fragility Factor

  moderately rugged

• Maximum Continuous Load Current Rating Per Pole

  15.0 amperes ac first location and 50.0 milliamperes dc first location

• Special Handling Feature

  magnetic

• Pole Quantity

  3

• Circuit Protection Type

  overcurrent all locations

• Reset Method

  manual

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Precious Material

  silver

• Storage Type

  general purpose warehouse

• Center To Center Distance Between Terminals Parallel To Width

  0.625 inches nominal

• Actuator Function

  trip-reset

• Mounting Surface To Terminal End Distance

  1.678 inches nominal

• Operating Voltage Type And Rating Per Pole In Volts

  250.0 ac second location

• Internal Trip Release Configuration

  series trip all locations

• Nonturn Device Diameter

  0.138 inches nominal

• Nominal Thread Size

  0.375 inches

• Thread Quantity Per Inch

  32

• Nonturn Device Radius

  0.620 inches minimum and 0.630 inches maximum

• Trip Release Method

  magnetic-hydraulic all locations

• Maximum Continuous Load Current Rating Per Pole

  15.0 amperes ac second location

• Unpackaged Unit Weight

  4.500 ounces

• Actuator Position Designation

  at pole two

• Body Length

  1.495 inches nominal

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

  300.0 ac first location and 500.0 dc first location

• Trip Delay Time In Seconds Per Rated Continuous Current

  1.000 minimum at 200 pct third location and 4.000 maximum at 200 pct third location

• Center To Center Distance Between Terminals Parallel To Length

  0.875 inches nominal

• Nonturn Device Location

  at 3 oclock and at 9 oclock

• Body Style

  multipole-single actuator type

• Trip Release Characteristic

  instantaneous first location

• Case Material

  metal

• Operating Voltage Type And Rating Per Pole In Volts

  250.0 ac third location

• Manual Actuator Type And Quantity

  1 toggle

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

  300.0 ac second location

• Frequency In Hertz

  60.0 all locations

• Trip Release Characteristic

  time delay second location

• Trip Delay Time In Seconds Per Rated Continuous Current

  1.000 minimum at 200 pct second location and 4.000 maximum at 200 pct second location

• Main Contact Tripping Mechanism Type

  trip free

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

  115.0 all locations

• Arc Quenching Method

  magnetic blowout

• Trip Release Characteristic

  time delay third location

• Bushing Length

  0.375 inches nominal

• Precious Material And Location

  contact surfaces silver

• Inclosure Protection Type For Which Designed

  hermetically sealed and fungus resistant and moisture resistant

• Body Width

  1.872 inches nominal

• Thread Series Designator

  unef

• Maximum Continuous Load Current Rating Per Pole

  15.0 amperes ac third location

• Operating Voltage Type And Rating Per Pole In Volts

  250.0 ac first location and 10.0 dc first location

• Terminal Type And Quantity

  6 wire hook

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

  300.0 ac third location