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san marino HXGN-12(VS1) Unit-type AC metal-enclosed ring network switchgear
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Product Description
Overview
HXGN-12 (VS1) unit type AC metal enclosed ring network switchgear (hereinafter referred to as ring network cabinet) is a new generation of high-voltage electrical products designed and developed by us after introducing foreign advanced technology and in accordance with the requirements of domestic rural power and urban network transformation. All technical performance indicators are in accordance with IEC62271-200:2003 and GB3906 standards.
HXGN-12 (VS1) unit type AC metal enclosed ring network switchgear is suitable for AC 50Hz, 12kV power network, as the receiving and distribution of electric energy. The main switch in the cabinet is VS1 switch.
Model meaning
| H | X | N | 口 | - | 12 | SF6 |
| Box type ring main unit | Fixed | Indoor | Design No. | Rated voltage (KV)) | The main switch in the cabinet is VS1 switch |
Conditions of use
• Ambient temperature: upper limit +40*C, lower limit -25°C; .
• Altitude: altitude not exceeding 2000m;
• Relative temperature: daily average value not exceeding 95%; monthly average value not exceeding 90%;
• Surrounding environment: the surrounding air is not significantly polluted by corrosive gases or flammable gases, water vapor, etc.;
• No frequent severe vibration.
Main technical parameters
| Project | Unit | Parameter |
| Rated voltage | kV | 12 |
| Rated frequency | Hz | 50 |
| Rated current of circuit breaker cabinet | A | 630/1250 |
| Maximum short-time withstand current of circuit breaker cabinet | kA/s | 40/4S |
| Rated peak withstand current of main circuit and ground circuit | kA | 50/80 |
| Rated short-circuit closing current of main circuit and ground circuit | kA | 50/80 |
| Full capacity breaking number | 次 | 30 |
| Rated short-circuit breaking current | kA | 20/25/31.5/40 |
| Mechanical life | 次 | 2000/10000 |
| 1 min power frequency withstand voltage (peak value) relative, to ground/isolation break | kV | 42/48 |
| Lightning impulse withstand voltage (peak value) phase-to-phase, to ground/isolation break | kV | 75/85 |
| Secondary circuit 1 min power frequency withstand voltage | kV | 2 |
| Protection level | IP4X |
Typical solutions

Functional modules of ring main unit

Overall installation dimensions (mm)



