Nader

NDM3A-630 Series AC MCCB, Nader

Model: NDM3A-630

Key specifications

  • Rated current In (A) 400A, 500A, 630A
  • Rated voltage Ue (V) AC550/600/690/800/1000V
  • Poles 3P
  • Rated ultimate short-circuit breaking capacity Icu (kA) 12kA, 30kA, 35kA, 42kA, 50kA

Technical parameters

Rated current of frame Inm (A)

630A

Protection features

Thermo-magnetic Type

Rated Voltage (Ue) (V)

AC550/600/690/800/1000V

Rated Current (In) (A)

400A, 500A, 630A

Rated Insulation Voltage Ui (V)

1140V

Rated impulse withstand voltage Uimp (V)

8000V

Tripping Characteristics

M

Number of Poles

3P

Rated limit short-circuit breaking capacity level

M

Rated limit short-circuit breaking capacity Icu (kA)

AC 550V

50kA

AC 600V

42kA

AC 690V

35kA

AC 800V

30kA

AC 1000V

12kA

Rated operating short-circuit breaking capacity Ics (kA)

AC 550V

50kA

AC 600V

42kA

AC 690V

35kA

AC 800V

23kA

AC 1000V

12kA

Rated Frequency (Hz)

50/60Hz

Standards and Certificates

·CCC, TUV, CE

·GB/T 14048.1-2012, GB/T 14048.2-2008, IEC 60947-1, IEC 60947-2

Maintenance-free life

10000 times

Maintainable life

20000 times

Electrical Life

AC 550V

4000 times

AC 600V

2500 times

AC 690V

2000 times

AC 800V

1500 times

AC 1000V

1000 times

Flashover distance(mm)

≤100

Wiring mode

P, Z1

Boundary dimension

182×270×108.5

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.