AM3-Z178-1

Technical Characteristics

• Thread Quantity Per Inch

  32

• Maximum Continuous Load Current Rating Per Pole

  12.5 amperes ac all locations

• Operating Voltage Type And Rating Per Pole In Volts

  240.0 ac all locations

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

  1000.0 ac all locations

• Trip Release Characteristic

  time delay all locations

• Main Contact Tripping Mechanism Type

  trip free

• Actuator Function

  trip-reset

• Auxiliary Switch Function And Quantity

  1 alarm

• Trip Delay Time In Seconds Per Rated Continuous Current

  9.500 minimum at 200 pct and 150.000 maximum at 200 pct all locations

• Inclosure Protection Type For Which Designed

  fungus resistant and moisture resistant

• Frequency In Hertz

  400.0

• Thread Series Designator

  unc

• Terminal Type And Quantity

  8 threaded stud

• Internal Trip Release Configuration

  relay trip third location

• Internal Trip Release Configuration

  series trip first location

• Internal Trip Release Configuration

  series trip second location

• Nominal Thread Size

  0.138 inches

• Switch Location And Position Designation

  internal at pole one

• Switch Terminal Type

  tab, solder lug

• Switch Current Rating And Type In Amps

  2.5 ac and 1.0 dc

• Switch Voltage Rating And Type In Volts

  250.0 ac and 50.0 dc

• Mounting Facility Type And Quantity

  6 threaded hole

• Storage Type

  general purpose warehouse

• Body Style

  8c multipole-multiple actuator type

• Body Length

  2.500 inches nominal

• Body Width

  1.500 inches nominal

• Case Material

  plastic

• Center To Center Distance Between Terminals Parallel To Length

  1.938 inches nominal

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Length

  2.062 inches nominal

• Fragility Factor

  moderately rugged

• Pole Quantity

  3

• Arc Quenching Method

  air

• Thread Pitch Diameters

  +0.1177/+0.1214 inches

• Center To Center Distance Between Terminals Parallel To Width

  0.750 inches nominal

• Switch Contact Arrangement

  single pole, double throw

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  0.750 inches nominal

• Boss Height

  0.140 inches nominal

• Mounting Surface To Terminal End Distance

  2.611 inches nominal

• Circuit Protection Type

  overcurrent all locations

• Trip Release Method

  magnetic all locations

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

  115.0

• Reset Method

  manual

• Manual Actuator Type And Quantity

  3 toggle

• Actuator Position Designation

  at each pole

• External Actuator Linkage Arrangement

  one, two, and three linked