Metalclad Withdrawable Switchgear 24kV Power Distribution Equipment
Withdrawable vacuum circuit breaker for medium voltage use KYN28A-12
Voltage: 12KV
Current: 630-2000A
Type: withdrawable
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
Fully type-tested
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 | 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 auxiliary loop and control loop diagram.
4. Other written documents are especially 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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