Indoor 11kv 12kV SF6 Load Break Switch High Voltage
1. Indoor 11kv 12kV SF6 Load Break Switch High Voltage
There are three work stations:opening,closing and grounding in the switch.It has small volume,installing easy-to use, strong environmental adaptability and other characteristics.
2. Main technical specifications
| No | Item | Unit | Parameter | |
| 1 | Rated voltage | kV | 36 | |
| 2 | Rated frequency | Hz | 50/60 | |
| 3 | Rated current | A | 630 | |
| 4 |
1min Power frequency withstand voltage |
wet | kV | 95 |
| dry | kV | 110 | ||
| 5 | Lightning impulse withstand voltage | kV | 185/215 | |
| 6 | Rated short circuit breaking current (peak) | kA | 50 | |
| 7 | Rated active load and close circuit breaking current | A | 50 | |
| 8 | Rated transferring current | A | 1000 | |
| 9 | Rated short circuit making current (peak) | kA | 50 | |
| 10 | Rated cable(line) charging breaking current | A | 50 and 10 | |
| 11 | Cable charge breaking current in earthing fault | A | 20 | |
| 12 | Rated withstand current (peak) | kA | 50 | |
| 13 | Short time withstand current (2s) | kA | 20 | |
| 14 | Mechanism life | times | 2000 | |
3. Service environment
(a) Air temperature
Maximum temperature: +40℃; Minimum temperature:-5℃
(b) Humidity
Monthly average humidity 95%; Daily average humidity 90% .
(c) Altitude above sea level
Maximum installation altitude: 2500m
(d) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
(e) No frequent violent shake
4. Factory
5. Delivery
6. FAQ
1. The lead time depend on quantity of order. Some standard type is on stock. Otherwise, it will take 3-15 days.
2. Usually shipped by sea, small order or urgent order we can send you by air.
3. All our activities are accredited to ISO 14001:2015 and IEC standard.
4. Technology ensure the quality satisfy international request.
5．Generally we promise one - two years quality guarantee, some products will be extended longer time for life span.
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