NDM3G-400 Series AC/DC Disconnectors, Nader

Rated current of frame Inm (A)

400A

Rated Current (In) (A)

400A

Rated Insulation Voltage Ui (V)

1000V

Rated impulse withstand voltage Uimp (V)

8000V

Tripping Characteristics

/

Rated limit short-circuit breaking capacity level

/

Rated Voltage (Ue) (V)

AC380/400/415/500/660/690V, DC500V

AC380/400/415/500/660/690V, DC750V

AC380/400/415/500/660/690V, DC1000V

Number of Poles

2P

3P

4P

Rated limit short-circuit breaking capacity Icu (kA)

5kA

5kA

5kA

Rated operating short-circuit breaking capacity Ics (kA)

5kA

5kA

5kA

Rated Frequency (Hz)

50/60Hz

Standards and Certificates

·CCC

·GB/T 14048.1, GB/T 14048.3, IEC 60947-1, IEC 60947-3

Maintenance-free life

10000 times

Maintainable life

20000 times

Electrical Life

7500 times

Flashover distance(mm)

≤100

Wiring mode

Front-Mounted Wiring, P

Connection capacity

120mm²(250A), 120mm²(400A), 185×2mm²(630A), 240×2mm²(800A)

Normal Working Environment

·Ambient Temperature: -35℃~+70℃

·Storage Temperature: -40℃~+75℃

·Altitude: ≤2500m

·Environmental Requirements: RoHS

·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.

·The product can withstand the effects of wet air, salt mist and oil mist.

·Pollution Level: 3

·Protection class: IP20

Isolation Function

·Installation mode: The product can be installed horizontally or vertically. For vertical installation of the product, the gradient between the installation surface and the vertical plane is no more than ±22.5°.

·Installation Environment:

The product should be installed in places that are free from explosive media, media corrosive to metal, insulation damaging gas, and conductive dust, which should be also avoided from snow and rain.