| Type: | Indoor SF6 Load Break Switch | Rated Voltage: | 7.2kV, 10kv 11kv 12kV |
|---|---|---|---|
| Rated Current: | 400A 630A, 1250A, 1600A, 2000A, 2500A | Frequency: | 50/60Hz |
| Material: | Galvanized Sheet And Accessories | Function: | Switch On And Off Normal Load Current |
| Installation Location: | Power Plants | Warranty: | 12 Months |
| Highlight: | 12kV SF6 Load Break Switch,11kv SF6 Load Break Switch,12kV load break switch sf6 |
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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
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5. Delivery
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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.