NDM3Z-630V Series DC MCCB, Nader

Rated current of frame Inm (A)

630A

Rated Current (In) (A)

400A, 450A, 500A, 630A

Rated Insulation Voltage Ui (V)

1600V

Rated impulse withstand voltage Uimp (V)

12000V

Tripping Characteristics

/

Rated limit short-circuit breaking capacity level

/

Number of Poles

2P

Rated Voltage (Ue) (V)

DC1500V

Rated limit short-circuit breaking capacity Icu (kA)

20kA (τ=5ms)/15(τ=10ms)

Rated operating short-circuit breaking capacity Ics (kA)

20kA (τ=5ms)/15(τ=10ms)

Rated Frequency (Hz)

50/60Hz

Standards and Certificates

·CCC, TUV, CE

·GB/T 14048.1, GB/T 14048.2, IEC 60947-1, IEC 60947-2

Maintenance-free life

7000 times

Maintainable life

14000 times

Electrical Life

1000 times

Flashover distance(mm)

65mm (With terminal cover), 150mm (Without terminal cover)

Wiring mode

Front-Panel

Thread diameter

M10 (Torque value: 20N.m), M5 (Torque value: 4N.m)

Connection capacity

240mm² (400A), 150mm² (450A, 500A), 185mm² (630A)

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 Category:

The installation category of the circuit breaker connected to the main loop is:Ⅲ(power distribution and control level);

The installation category of the circuit breaker not connected to the main loop is: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.