B21-4-4.00A-02-31

Technical Characteristics

• Center To Center Distance Between Terminals Parallel To Width

  0.615 inches minimum and 0.635 inches maximum

• Maximum Continuous Load Current Rating Per Pole

  4.0 amperes ac all locations and 4.0 amperes dc all locations

• Case Material

  plastic

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

  1000.0 ac all locations and 1000.0 dc all locations

• Thread Quantity Per Inch

  32

• Nominal Thread Size

  0.375 inches

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

  135.0 all locations

• Internal Trip Release Configuration

  series trip all locations

• Actuator Function

  trip-reset

• Trip Release Characteristic

  time delay all locations

• Storage Type

  general purpose warehouse

• Reset Method

  manual

• Pole Quantity

  2

• Inclosure Protection Type For Which Designed

  shock resistant and vibration resistant

• Circuit Protection Type

  overcurrent all locations

• Special Handling Feature

  magnetic

• Fragility Factor

  moderately rugged

• Body Width

  1.294 inches minimum and 1.314 inches maximum

• Thread Series Designator

  unef

• Terminal Type And Quantity

  4 tab, solder lug

• Frequency In Hertz

  50.0 all locations or 60.0 all locations

• Body Length

  1.365 inches minimum and 1.385 inches maximum

• Bushing Length

  0.390 inches minimum and 0.410 inches maximum

• Center To Center Distance Between Terminals Parallel To Length

  1.095 inches minimum and 1.155 inches maximum

• Main Contact Tripping Mechanism Type

  trip free

• Actuator Position Designation

  between pole one and two

• Trip Delay Time In Seconds Per Rated Continuous Current

  1.000 minimum at 200 pct all locations and 15.000 maximum at 200 pct all locations

• Unpackaged Unit Weight

  2.400 ounces

• Body Style

  multipole-single actuator type

• Operating Voltage Type And Rating Per Pole In Volts

  250.0 ac all locations and 50.0 dc all locations

• Mounting Surface To Terminal End Distance

  1.930 inches minimum and 1.990 inches maximum

• Manual Actuator Type And Quantity

  1 push-pull

• Mounting Facility Type And Quantity

  1 threaded bushing

• Trip Release Method

  magnetic all locations