IEC GB standard 12KV 1250A KYN28 metal-enclosed switchgear for power plants use
Voltage: 3.6KV-24KV(max)
Current: 630A-2000A (max)
Frequency: 50/60 Hz
Type: vacuum circuit breaker
Scope of use
The KYN28 series of medium-voltage switchgear produced by our company is widely used in various substations, power plants, industrial and mining enterprises, high-voltage power distribution, etc. of the power system.
Working voltage: 3.6-24KV
Working current: 630A-2000A
Frequency: 50/60 Hz
Type: vacuum circuit breaker.
Working environment
1. Air temperature: -25℃~+40℃
2. Humidity: Monthly average humidity 95%; Daily average humidity 90%.
3. Altitude: ≤ 2500m
4. Ambient air not apparently polluted by corrosive and flammable gas, vapor, etc.
5. No frequent violent shake
Fully type-tested
The KYN28 series switchgear produced by our company has passed all the tests required by the international (IEC) standards. When each switchgear is subjected to rigorous routine tests designed to check the function of the switchgear according to the specific characteristics of each device before leaving the factory.
Technical data
| No. |
Item |
Unit |
Parameter |
| 1 |
Rated voltage |
kV |
3.6~24 |
| 2 |
Rated frequency |
Hz |
50/60 |
| 3 |
Rated current |
A |
630,1250,1600,2000,2500,3150,4000 |
| 4 |
Branch busbar Rated current |
630,1250,1600,2000,2500,3150,4000 |
| 5 |
The main busbar Rated current |
630,1250,1600,2000,2500,3150,4000 |
| 6 |
1min Power frequency
withstand voltage
|
wet |
KV |
38 |
50/60 |
| dry |
48 |
60/65 |
| 7 |
Lightning impulse withstand voltage |
kV |
75 |
95/125 |
| 8 |
Rated short circuit breaking current (peak) |
KA |
40/50/63/80/100 |
| 9 |
Short-time withstand current(4s) |
20/25/31.5/40 |
| 10 |
Protection type |
|
IP4X for housing |
Product Tags:
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IP4X 12KV 1250A Metal Enclosed Switchgear For Power Plants Images
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