ET74422

Technical Characteristics

• Operating Voltage Type And Rating Per Pole In Volts

  500.0 ac all locations and 250.0 dc all locations

• Trip Release Characteristic

  time delay all locations

• Actuator Function

  trip-reset

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

  145.0 all locations

• Overall Length

  6.500 inches nominal

• Arc Quenching Method

  air

• Trip Release Method

  thermal-magnetic all locations

• Actuator Position Designation

  at pole two

• Trip Release Ambient Temp Rating

  50.0 deg celsius nominal all locations

• Manual Actuator Type And Quantity

  1 toggle

• Terminal Type And Quantity

  6 quick disconnect, female

• Adjustable Trip Setting Current Range Per Pole In Amps

  +900.0/+1050.0 ac all locations

• Main Contact Tripping Mechanism Type

  trip free

• Mounting Facility Type And Quantity

  4 unthreaded hole

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

  10000.0 ac all locations and 10000.0 dc all locations

• Overall Height

  4.125 inches nominal

• Inclosure Protection Type For Which Designed

  general purpose

• Trip Delay Time In Seconds Per Rated Continuous Current

  20.000 minimum at 600 pct all locations and 32.000 maximum at 600 pct all locations

• Frequency In Hertz

  400.0 all locations

• Unthreaded Mounting Hole Diameter

  0.190 inches nominal

• Maximum Continuous Load Current Rating Per Pole

  75.0 amperes ac all locations and 75.0 amperes dc all locations

• Case Material

  plastic

• Overall Width

  4.875 inches nominal

• Fragility Factor

  moderately rugged

• Special Handling Feature

  magnetic

• Pole Quantity

  3

• Circuit Protection Type

  overcurrent all locations

• Body Style

  rectangular dimensional envelope

• Reset Method

  manual

• Features Provided

  adjustable trip release