| Customization: | Available |
|---|---|
| Certification: | CCC, ISO9001 |
| Shell Material: | Aluminum Alloy |
|
Still deciding? Get samples of US$ 5000/Piece
Order Sample
|
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
|---|
| Payment Methods: |
|
|---|---|
| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
|---|
| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
|---|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Mainly applicable in urban power grid construction and renovation project. industrial and mining enterprises.high-rise buildings and communal facilities. For power distribution controlling and protecting electric equipment such as the loop power supply unit or terminal equipment. It also can be installed in a preloaded substation
Feature:
Uses SF6 load switch and load switch-fuse combination as the main switch. Equipped with vacuum load switch and spring operating mechanism which can be operated by hand or electric. Earthing switches and insulating switches are equipped with a hand operating mechanism. With small volume and high security
1. Many years ring main unit manufacturer
2. Easy installation
3. Less maintenance
4. Safe and upgradeable
| No. | Item | Unit | Data |
| 1 | Rated voltage | kV | 7.2/12 |
| 2 | Rated current of the main bus-bar | A | 630 |
| 3 | Rated current of incoming | A | 630 |
| 4 | Rated current of outgoing | A | 125 |
| 5 | Rated short-time withstand current 4s | kA | 20 |
| 6 | Rated withstand current (peak) | kA | 31.5 |
| 7 | Rated short circuit making current (peak) | kA | 50 |
| 8 | Rated active load breaking current | A | 630 |
| 9 | Rated closed loop breaking current | A | 630 |
| 10 | Rated cable charging current | A | 10 |
| 11 | Earth switch rated short-time withstand current 2s | kA | 20 |
| 12 | Earth switch rated withstand current (peak) | kA | 50 |
| 13 | Earth switch rated short circuit making current (peak) | kA | 50 |
| 14 | Rated AC current of the combination | A | 3150 |
| 15 | 1 min power frequency withstand voltage | kV | 42/48 |
| 16 | Lightning impulse withstand voltage | kV | 75/85 |
| 17 | Mechanical life of Vacuum load breaker | times | 10000 |
| 18 | Mechanical life of Disconnector | times | 2000 |
| 19 | Load breaker average closing speed | m/s | 0.6±0.2 |
| 20 | Load breaker average opening speed | m/s | 1.1±0.2 |
| 21 | Load breaker three-phase asynchronous | mS | ≤2 |
| 22 | Protection class | IP3X | |
){kind=link}