AP1-1R4-2-251

Technical Characteristics

• Fragility Factor

  moderately rugged

• Terminal Type And Quantity

  2 wire hook

• Special Handling Feature

  magnetic

• Reset Method

  manual

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Actuator Position Designation

  at pole one

• Unpackaged Unit Weight

  2.100 ounces

• Storage Type

  general purpose warehouse

• Actuator Function

  trip-reset

• Inclosure Protection Type For Which Designed

  explosion resistant

• Switch Voltage Rating And Type In Volts

  125.0 ac and 50.0 dc

• Thread Pitch Diameters

  +0.3503/+0.3537 inches

• Trip Delay Time In Seconds Per Rated Continuous Current

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

• Nominal Thread Size

  0.375 inches

• Maximum Continuous Load Current Rating Per Pole

  250.0 milliamperes ac single location

• Thread Quantity Per Inch

  32

• Circuit Protection Type

  overcurrent single location

• Internal Trip Release Configuration

  series trip single location

• Switch Location And Position Designation

  external at pole one

• Body Length

  1.500 inches maximum

• Trip Release Characteristic

  time delay single location

• Main Contact Tripping Mechanism Type

  trip free

• Arc Quenching Method

  magnetic blowout

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

  300.0 ac single location

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

  115.0 single location

• Switch Terminal Type

  double screw

• Frequency In Hertz

  400.0 single location

• Body Style

  single pole type

• Body Width

  0.625 inches maximum

• Trip Release Method

  magnetic-hydraulic single location

• Mounting Surface To Terminal End Distance

  1.605 inches maximum

• Thread Series Designator

  unef

• Switch Current Rating And Type In Amps

  1.0 ac and 0.5 dc

• Auxiliary Switch Function And Quantity

  1 control

• Manual Actuator Type And Quantity

  1 toggle

• Case Material

  metal

• Pole Quantity

  1

• Bushing Length

  0.375 inches maximum

• Center To Center Distance Between Terminals Parallel To Length

  0.875 inches nominal

• Switch Contact Arrangement

  single pole, double throw

• Operating Voltage Type And Rating Per Pole In Volts

  250.0 ac single location

• Ultimate Trip Time Per Pole In Seconds

  6.500 minimum single location and 30.000 maximum single location