NDW2-6300 Series AC ACB, Nader

Rated current In (A)

4000A,5000A,6300A

N-pole rated current

100%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 poles

3P, 4P

Full break time

≤30ms

Closing time

≤70ms

Rated ultimate short circuit Breaking capacity Icu (effective value)(kA)

AC400V

120kA

AC690V

85kA

AC800V

75kA

AC1000/1140V

60kA

Rated operating short circuit Breaking capacity Ics (effective value) (kA)

AC400V

120kA

AC690V

85kA

AC800V

75kA

AC1000/1140V

60kA

Rated short circuit making capacity Icm(peak value)(kA)

AC400V

264kA

AC690V

187kA

AC800V

165kA

AC1000/1140V

132kA

Rated short-time

withstand current Icw (effective value)1s(kA)

AC400V

100kA

AC690V

85kA

AC800V

75kA

AC1000/1140V

60kA

Electrical life

AC400V

3000times

AC690V

2000times

AC800V

3000times(4000A),

1500times(5000A),

1000times(6300A)

AC1000/1140V

2000times(4000A),

1000times(5000A),

500times(6300A)

Operation frequency

10times/hours

Mechanical life

Maintenance-free

5000times

With maintenance

10000times

Operation frequency

20times/hours

Installation mode

Fixed 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 circuit

Horizontal wiring, vertical wiring, horizontal extended wiring, Vertical extended wiring, mixed wiring (upper horizontal and lower vertical), mixed wiring(upper vertical and lower horizontal), mixed and extended wiring (upper horizontal and lower vertical), mixed and extended wiring (upper vertical and lower horizontal)

Connection bolt between bus and terminal

M12 (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