Nader

NDW2-4000 Series AC ACB, Nader

Model: NDW2-4000

Key specifications

  • Rated current In (A) 800A, 1000A, 1250A, 1600A, 2000A, 2500A, 3200A, 3600A, 4000A
  • Rated operational voltage Ue (V) AC220/230/240/380/400/415/440/480/660/690/800/1000/1140V
  • Poles 3P, 4P
  • Rated limit short-circuit breaking capacity Icu 55kA, 70kA, 75kA, 100kA

Technical parameters

Rated current In (A)800A,1000A,1250A,1600A2000A,2500A3200A,3600A,4000A
N-pole rated current100%In
Rated voltage (Ue) (V)AC220V/230V/240V,AC380V/400V,AC415V,AC440/480V,AC660V/690V,AC800V,AC1000/1140V
Rated Frequency(Hz)50/60Hz
Rated insulation voltage Ui (V)AC1000V(AC415V、AC690V) AC1250V(AC800V、AC1000/1140V)
Rated impulse withstand voltage Uimp (kV)12kV
Number of poles3P, 4P
Full break time≤30ms
Closing time≤70ms
Rated ultimate short circuit Breaking capacity Icu (effective value)(kA)AC400V100kA
AC690V75kA
AC800V70kA
AC1000/1140V55kA
Rated operating short circuit Breaking capacity Ics (effective value) (kA)AC400V100kA
AC690V75kA
AC800V70kA
AC1000/1140V55kA
Rated short circuit making capacity Icm(peak value)(kA)AC400V220kA
AC690V165kA
AC800V154kA
AC1000/1140V121kA
Rated short-time withstand current Icw (effective value)1s(kA)AC400V85kA
AC690V75kA
AC800V70kA
AC1000/1140V55kA
Electrical lifeAC400V10000times8000times6000times
AC690V10000times6000times3000times
AC800V2000times1000times1000times
AC1000/1140V2000times1000times600times
Operation frequency20times/hours
Mechanical lifeMaintenance-free10000times
With maintenance15000times
Operation frequency60times/hours
Installation modeFixed type, Drawout type
Standards and Certificates·CCC, CE, TUV ·GB/T 2423.4-2008, GB/T 4207-2022, GB/T 14048.1-2023, GB/T 14048.2-2020, GB/T 14048.5-2017, GB/T 14092.3-2009, GB/T 19608.3-2004, GB/T 20645-2021, GB/T 20626.3-2022
Wiring method of the main circuitHorizontal wiring, vertical wiring, horizontal extended wiring, vertical extended wiring
Connection bolt between bus and terminalM12 (Torque: 60N.m); M14 (Torque: 97N.m)
Working Environment·Ambient Temperature:-25℃~+70℃, the circuit breaker with the ambient temperature below -25℃~-40℃ can be specially customized. ·Relative Humidity: The relative humidity at an ambient temperature of +40℃ should not exceed 50%. A higher relative humidity is allowed at a lower temperature. ·Altitude: ≤2000m ·Anti-corrosion Level: 2 ·Pollution Level: 3 ·The circuit breaker can ensure resistance to electromagnetic or mechanical shock, and has passed the GB/T 4798.3standard test. ·Amplitude:±1.5mm (2 -9Hz) ·Constant acceleration: 5 m/s² (9~200 Hz) ·Super strong shock may result in damage to the parts, and impact the reliable action of the circuit breaker. ·The circuit breaker withstands electromagnetic interference including transient overvoltages (from EMI, system aging, or environmental factors), radio waves, and electrostatic discharge.
Isolation Condition·Installation conditions: With the vertical qradient no more than 5°, the circuit breaker shall be installed under the environment condition without explosion danger, conductive dust or the possibility of corroding metal and damaging the insulation. ·Installation type: The circuit breaker's main circuit and undervoltage release coils, power transformer primary coil installation category is lV; the rest auxiliary circuit and control circuit installation category is lll. ·Protection level:IP30, IP40 ·Utilization category: Category B