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12kV bottom Isolation Circuit Breaker Pole (For Solid Insulated RMU)
- Suitable for circuit breaker units in bottom isolation scheme, and works in conjunction with unshielded busbar and shielded front connector.
Suitable for circuit breaker units in bottom isolation scheme, and works in conjunction with unshielded busbar and shielded front connector.
►Characteristics
-This pole is designed according to the national standard requirements, and the product is suitable for a voltage of 12kV and a current of 630A and 1250A;
►Main Electrical Performance
| NO. | TESTING ITEM | TESTING STANDARD |
| 1 | X-ray detection | No bubbles, no impurities |
| 2 | Power frequency withstand voltage | Phase to earth 42kV，1min Across the break distance 48kV，1min |
| 3 | Lightning impulse | Phase to earth 75kV Across the break distance 85kV |
| 4 | Partial discharge | 1.2Ur，≤5pC |
| 5 | Circuit resistance | ≤70μΩ |
►Dimensions and Figure
Click Sealing Circuit Breaker Supplier China to learn more about the products.
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