Switching and distribution equipment
1. Compact design with a small footprint, ideal for space-constrained applications including distribution rooms,transformer substations,and ring network rooms.
2. Cost-effective solution with excellent cost-performance ratio, lower than average cabinets, requiring minimal investment.
3. Convenient operation with minimal maintenance requirements, reliable construction, and low failure rate, ensuring maintenance-free operation.
4. Fully sealed and insulated design provides excellent protection against humid and dusty conditions.
5. Comprehensive safety interlocks with reliable 'five-prevention' features to prevent operational errors.
6. Compatible with both ring network and terminal power supply systems, suitable for urban/rural grids, industrial parks, and residential distribution networks.
7. Simple installation using single or multi-apartment panel with short construction periods.
1. Product Introduction
This is an indoor fixed 10 kV with a fixed high-voltage ring, using a combined switch-fuse scheme. It features a compact design, economical cost, and high reliability, mainly used for power supply in ring networks, terminal power supply, distribution, and protection in distribution networks.
With advantages such as small size, low cost, easy operation, and maintenance-free, it is the primary medium-voltage power distribution equipment for urban and rural power grids, residential areas, industrial parks, and box-type substations.
2. Main Technical Parameters (Customizable)
Rated voltage: 12 kV
Rated current: 630A
Rated short-circuit breaking current: 20 kA/2 s
Protection degree: IP30
Insulation type: air / fully insulated
Operation mode: manual / motorized
Applicable standards: GB 3906, IEC 62271
3. Standard ambient conditions
It is applicable to indoor locations with an altitude not exceeding 1000 m, an ambient temperature ranging from -5°C to +40°C, an average daily relative humidity not exceeding 95% without condensation or freezing, no explosion hazard, no corrosive or flammable gases, no conductive dust, and no strong vibrations. The installation inclination must not exceed 3°, and the seismic intensity must not exceed 8 degrees. For special conditions such as high altitudes, low temperatures, high temperatures, humid salt spray, dust corrosion, etc., customized solutions such as enhanced insulation, heating, anti-corrosion sealing, etc., can be provided to meet the usage requirements.


