AP1-51A

Technical Characteristics

• Bushing Length

  0.360 inches minimum and 0.380 inches maximum

• Body Length

  1.448 inches minimum and 1.510 inches maximum

• Body Width

  0.567 inches minimum and 0.629 inches maximum

• Mounting Surface To Terminal End Distance

  1.524 inches minimum and 1.586 inches maximum

• Arc Quenching Method

  magnetic blowout

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

  300.0 ac

• Circuit Protection Type

  overcurrent

• Trip Release Method

  magnetic-hydraulic

• Trip Release Characteristic

  time delay

• Ultimate Trip Time Per Pole In Seconds

  0.200 minimum and 7.000 maximum

• Reset Method

  manual

• Actuator Function

  trip-reset

• Actuator Position Designation

  at pole one

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.050 minimum at 200 pct and 0.950 maximum at 200 pct and 0.010 minimum at 400 pct and 0.240 maximum at 400 pct

• Test Data Document

  18876-11040663 drawing

• Case Material

  metal

• Center To Center Distance Between Terminals Parallel To Length

  0.870 inches minimum and 0.880 inches maximum

• Fragility Factor

  moderately rugged

• Pole Quantity

  1

• Mounting Facility Type And Quantity

  1 threaded bushing w/panel seal

• Storage Type

  general purpose warehouse

• Thread Quantity Per Inch

  32

• Maximum Continuous Load Current Rating Per Pole

  1.0 amperes ac

• Operating Voltage Type And Rating Per Pole In Volts

  240.0 ac

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

  125.0

• Main Contact Tripping Mechanism Type

  trip free

• Manual Actuator Type And Quantity

  1 toggle

• Internal Trip Release Configuration

  series trip

• Nominal Thread Size

  0.375 inches

• Inclosure Protection Type For Which Designed

  fungus resistant and explosion resistant and hermetically sealed

• Frequency In Hertz

  400.0

• Thread Series Designator

  unef

• Terminal Type And Quantity

  2 wire hook