| Muhimmiya | Switchgear parts |
| Model NO. | RNV-B1-12 Kabinet na Nafinfini na Tashin Dabba |
| Rated Voltage | 12kV |
| Raitidu kọ̀ọ̀kan | 630A |
| Rated Frequency | 50Hz |
| Siri | RNV-B1 |
RNV-B1-12 SF6 circuit breaker switch na bi gani da ake amfani da shi a 12KV/630 SF6 gas filling cabinets. A cikin gas filling cabinet, yana da muhimmanci kuma yana da current mai sarrafa da current mai mafi karfi don kofar da zama; Performance kamar kofar da zama short-circuit currents.
Wannan series na products zai fara samun shipping bayan ta yi full inspection da kuma taimaka da relevant requirements of GB1984-89 and GB/T1984-2014 AC high-voltage circuit breakers.
Model description

Product Parameters
| Serial Number | Item | Unit | Parameter | Remark |
|---|---|---|---|---|
| 1 | Rated Voltage | kV | 12 | |
| 2 | Rated Frequency | Hz | 50 | |
| 3 | Rated Current | A | 630 | |
| 4 | Rated Short-time Withstand Current | kA/s | 20/4, 25/3 | |
| 5 | Rated Peak Withstand Current | kA | 50/63 | |
| 6 | Rated Short-circuit Making Current | kA | 50/63 | |
| 7 | Rated Cable Charging Breaking Current | A | 20/25 | |
| 8 | Short-circuit Current Breaking Times | times | 30 | |
| 9 | 1min Power Frequency Withstand Voltage | kV | 42/48 | In SF6 Gas |
| 10 | Lightning Impulse Withstand Voltage | kV | 75/85 | In SF6 Gas |
| 11 | Mechanical Life | times | 10000 | |
| 12 | Main Circuit Resistance | μΩ | ≤65 | With Disconnector |
| 13 | Phase-to-phase Center Distance | mm | 150 |
installation dimensions
