IEC Gray VCB Medium Voltage Switchgear Metal Clad Type
Withdrawable VCB medium voltage switch panel KYN28A-12 metal-clad type
Voltage: 3.6-24KV
Current: 630A-2000A
Type: vacuum circuit breaker
General
Service 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
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 | |||
The customer should offer the following information for the order:
1. Wiring diagram of Main circuit Loop and Special Technical Requirement;
2. Installation Arrangement Plan of switch panel;
3. Specification of the component inside the switch panel and the schematic diagram of the auxiliary loop and control loop diagram.
4. Other written documents are specially required.
5. SLD(Single Line Drawing)
Knkong Electric provides 11KV switchgear according to the customer's requirements, please send us the SLD then We could implement it 100%.11KV switchgear is our best-selling international product, with China's independently developed vacuum circuit breaker VS1 that allows us to compete with European products in the international market.
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