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NGGD AC Low-Voltage distribution switchgear
11kv 33kv gis substation dc current sensor circuit breaker
1,Outline
NGGD AC low-voltage distribution cabinet switching equipment for power plants, substations, industrial and mining enterprises and other power users as AC 50Hz, rated working voltage 380V, rated current up to 3150A of the distribution system, as power, lighting and power distribution equipment the power conversion, distribution and control purposes. The product is high breaking capacity, rated short time withstand current up to 50KA. Line program flexible combination of convenience, practical, novel structure and other characteristics. The product is assembled country, one representative of the fixed panel switchgear products.
2, Type meaning
3, Normal conditions of use
1 altitude less than 2000m;
2 does not exceed the maximum ambient temperature + 40 ℃, the minimum of not less than -5 ℃; 24-hour period the average temperature does not exceed + 35 ℃;
3 air relative humidity less than 90% (+ 20 ℃);
4 device installation and the vertical inclination angle does not exceed 5 °;
5 No fire, explosion, serious pollution, chemical corrosion and severe vibration.
Note: The special conditions of use when ordering consultation with my factory.
4, Main technical parameters
| Product model | Rated voltage (V) |
Rated current (A) |
Rated short circuit breaking current(KA) | Rated short-time withstand current(KA) | Rated peak-value withstand current(KA) | |
| NGGD1 | 380 | A | 1000 | 15 | 15 | 30 |
| B | 600(630) | |||||
| C | 400 | |||||
| NGGD2 | 380 | A | 1500(1600) | 30 | 30 | 63 |
| B | 1000 | |||||
| C | ||||||
| NGGD3 | 380 | A | 3150 | 50 | 50 | 105 |
| B | 2500 | |||||
| C | 2000 |
|||||
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