NDM5G-400 Series DC Disconnectors, Nader

Conventional thermal current Ith (A)

400A

Rated Voltage (Ue) (V)

DC500V

Rated Current (In) (A)

400A

Rated Insulation Voltage Ui (V)

1500V

Rated impulse withstand voltage Uimp (V)

8000V

Rated short-time with stand current Icw (kA)

5/1s

Rated short circuit making capacity Icm (kA)

5kA

Tripping Characteristics

/

Number of Poles

2P

Rated limit short-circuit breaking capacity level

/

Rated Frequency (Hz)

50/60Hz

Standards and Certificates

·CCC, TUV, CE

·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

1000 times

Flashover distance(mm)

≤50 (without terminal cover)

Wiring mode

/

Thread specification

M10 (Torque: 50N.m), M5 (Torque: 2N.m)

Connection capacity

240mm²(400A)

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

·The installation category of the circuit breaker connected to the main loop is: Category Ⅲ (power distribution and control level), The installation category of the circuit breaker not connected to the mainloop is: Category Ⅱ (load level)

·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.