AM3R-Z428-1

Technical Characteristics

• Actuator Position Designation

  at each pole

• Reset Method

  manual

• Mounting Surface To Terminal End Distance

  2.461 inches minimum and 2.481 inches maximum

• Center To Center Distance Between Terminals Parallel To Length

  1.928 inches minimum and 1.948 inches maximum

• Storage Type

  general purpose warehouse

• Trip Release Characteristic

  time delay all locations

• Actuator Function

  trip-reset

• External Actuator Linkage Arrangement

  one, two, and three linked

• Internal Trip Release Configuration

  series trip all locations

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

  1000.0 ac all locations

• Body Width

  2.240 inches minimum and 2.251 inches maximum

• Thread Quantity Per Inch

  32

• Trip Release Method

  magnetic all locations

• Body Style

  multipole-multiple actuator type

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

  125.0 all locations

• Mounting Facility Type And Quantity

  6 threaded hole

• Nominal Thread Size

  0.138 inches

• Center To Center Distance Between Terminals Parallel To Width

  0.740 inches minimum and 0.760 inches maximum

• Frequency In Hertz

  60.0 all locations

• Main Contact Tripping Mechanism Type

  trip free

• Arc Quenching Method

  magnetic blowout

• Thread Series Designator

  unc

• Circuit Protection Type

  overcurrent all locations

• Pole Quantity

  3

• Fragility Factor

  moderately rugged

• Terminal Type And Quantity

  6 threaded stud

• Trip Delay Time In Seconds Per Rated Continuous Current

  2.000 minimum at 200 pct all locations and 17.000 maximum at 200 pct all locations

• Case Material

  plastic

• Boss Height

  0.130 inches minimum and 0.150 inches maximum

• Maximum Continuous Load Current Rating Per Pole

  75.0 amperes ac all locations

• Manual Actuator Type And Quantity

  3 toggle

• Body Length

  2.490 inches minimum and 2.510 inches maximum

• Operating Voltage Type And Rating Per Pole In Volts

  250.0 ac all locations

• Distance Between Centerlines Of Mounting Facilities Parallel To Body 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

• Inclosure Protection Type For Which Designed

  salt water resistant and moisture resistant and shock resistant and vibration resistant