AM3-A2A3-20-2

Technical Characteristics

• Thread Series Designator

  unc

• Terminal Type And Quantity

  6 threaded stud

• Body Length

  2.490 inches minimum and 2.510 inches maximum

• Case Material

  plastic

• Mounting Surface To Terminal End Distance

  2.461 inches minimum and 2.481 inches maximum

• Arc Quenching Method

  magnetic blowout

• Storage Type

  general purpose warehouse

• Thread Quantity Per Inch

  32

• Maximum Continuous Load Current Rating Per Pole

  20.0 amperes ac

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

  1000.0 ac

• Trip Release Method

  magnetic-hydraulic

• Ultimate Trip Time Per Pole In Seconds

  9.000 minimum and 100.000 maximum

• Main Contact Tripping Mechanism Type

  trip free

• External Actuator Linkage Arrangement

  one,two,and three linked

• Internal Trip Release Configuration

  series trip

• Nominal Thread Size

  0.138 inches

• Body Width

  2.240 inches minimum and 2.251 inches maximum

• Center To Center Distance Between Terminals Parallel To Length

  1.928 inches minimum and 1.948 inches maximum

• Center To Center Distance Between Terminals Parallel To Width

  0.740 inches minimum and 0.760 inches maximum

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Length

  2.052 inches minimum and 2.072 inches maximum

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  0.740 inches minimum and 0.760 inches maximum

• Fragility Factor

  moderately rugged

• Boss Height

  0.130 inches minimum and 0.150 inches maximum

• Pole Quantity

  3

• Mounting Facility Type And Quantity

  6 threaded hole

• Operating Voltage Type And Rating Per Pole In Volts

  250.0 ac

• Circuit Protection Type

  overcurrent

• Trip Release Characteristic

  time delay

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

  125.0

• Reset Method

  manual

• Manual Actuator Type And Quantity

  3 toggle

• Actuator Function

  trip-reset

• Actuator Position Designation

  at each pole

• Trip Delay Time In Seconds Per Rated Continuous Current

  2.000 minimum at 200 pct and 20.000 maximum at 200 pct

• Inclosure Protection Type For Which Designed

  dustproof

• Frequency In Hertz

  60.0