HXGN15-12 12kV Ring-Main Unit AC Metal-Enclosed Switchgear
Product Description:
Gaobo Switchgear Manufacturer HXGN15-12 Ring-Main Unit is a 12kV AC metal-enclosed fixed switchgear designed for medium-voltage power distribution systems. Fully compliant with GB/T3906, this unit integrates incoming, outgoing, metering, protection and control functions in a compact, maintenance-free structure.
Key Features:
1. Comply with GB/T3906 standard for 12kV medium-voltage switchgear.
2. 12kV rated voltage, 630A rated current, stable and high load capacity.
3. 25kA/4s short-time withstand current & 63kA peak withstand current, strong anti-short-circuit capability.
4. 75kV lightning impulse withstand voltage & 28kV power-frequency withstand voltage, high insulation safety.
5. IP4X protection grade effectively prevents dust and accidental contact.
6. Compact ring-network structure, small footprint, easy installation and maintenance.
7. Fully metal-enclosed and safe design, suitable for indoor and compact power rooms.
8. Factory customizable: configuration, size, protection, interface and appearance.
Main Uses:
- Ring-network power supply and sectionalization for 12kV distribution systems.
- Incoming and outgoing power control and protection for small and medium substations.
- Circuit switching, protection and metering for medium-voltage power distribution.
- Safe operation and fault isolation in urban and industrial power grids.
- Compact power distribution for construction, industry and infrastructure projects.
Application:
- Urban and rural power grid reconstruction & ring-main network
- Industrial parks, factories, manufacturing plants
- Commercial buildings, hospitals, data centers
- Residential quarters, high-rise buildings
- Infrastructure: subway, airport, railway, water plant
- Small and medium-sized distribution substations
- Mining, construction sites and outdoor compact power rooms
Technical Parameters:
| Parameter | Value |
|---|---|
| Model | HXGN15-12 |
| Standard | GB/T3906 |
| Rated Voltage | 12kV |
| Rated Frequency | 50Hz |
| Rated Current | 630A |
| Rated Short-Time Withstand Current | 25kA / 4s |
| Rated Peak Withstand Current | 63kA |
| Rated Lightning Impulse Withstand Voltage | 75kV |
| Rated Power-Frequency Withstand Voltage | 28kV |
| Protection Degree | IP4X |
| Structure Type | Ring-main unit, fixed, metal-enclosed |
| Installation | Indoor |
| Customization | Available (configuration, size, function, layout) |
| Manufacturer | Gaobo Switchgear Manufacturer |






















