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China YBM□-12/0.4 Pre-assembled Substation Suppliers | Compact High/Low Voltage Distribution Factory

The YBM□-12/0.4 high/low voltage prefabricated substation, widely known as the European box-type substation, is a state-of-the-art solution for efficient power distribution. This compact and complete distribution device integrates high voltage switchgear, a power transformer, and a low voltage distribution device into a robust closed steel box structure. As a leading product from China, our substation is designed to meet the demands of modern electrical infrastructures. Trust our factory as your reliable supplier for top-quality substations that enhance operational efficiency and safety. Choose us for innovative energy solutions built in China

Model YBM□-12/0.4

Product Details

⚡ This compact substation features a highly integrated three-compartment design — high-voltage, transformer, and low-voltage rooms — delivering exceptional space efficiency, robust outdoor protection, and flexible power distribution for a wide range of applications.

🏆 Key Advantages

📦

Ultra-Compact Footprint

Occupies only 1/10 to 1/5 of the space required by conventional substations of equivalent capacity, significantly reducing civil engineering work and construction costs.

🔗

Highly Integrated System

All components are pre-assembled and integrated within a single enclosure, enabling faster deployment and simplified installation on site.

🛡️

IP34D Protection Rating

The enclosure boasts a high IP34D protection rating, providing effective dust and moisture resistance, making it fully suitable for outdoor applications.

⚙️ Main Technical Parameters

Parameter	Specification
Rated Voltage	12 / 0.4 kV
Transformer Capacity	100 kVA to 1,250 kVA and above
Transformer Type	Oil-immersed or Dry-type Transformer
Enclosure Protection	IP34D (Dust & Moisture Resistant)
Compartment Design	Three-compartment: High-voltage / Transformer / Low-voltage

🔌 Flexible Power Supply Modes

🔄 Ring Network Power Supply
⚡ Dual Power Supply
📡 Radial Terminal Power Supply

✅

The operation mode is flexible and reliable, allowing the unit to be deployed across various distribution system configurations to meet diverse grid requirements.

🏙️ Application Scenarios

🏘️ Urban Residential Areas

🏬 Commercial Centers

🏭 Industrial Parks

🏛️ Public Facilities

🏗️ Temporary Construction Sites

📍

As a key node for receiving and distributing electric energy, it can penetrate into the load center and effectively reduce line loss.

❓ Frequently Asked Questions

Q What is the rated voltage of this compact substation?

The rated voltage of this compact substation is 12/0.4 kV, making it suitable for standard medium-voltage distribution networks commonly used in urban and industrial power systems.

Q How much space does this compact substation save compared to a conventional substation?

This compact substation occupies only 1/10 to 1/5 of the space required by a conventional substation of equivalent capacity. This dramatic reduction in footprint significantly lowers civil engineering work and overall construction costs.

Q What transformer types are compatible with this substation?

The substation is compatible with both oil-immersed transformers and dry-type transformers, offering flexibility to meet different environmental requirements, safety standards, and installation conditions.

Q Is this substation suitable for outdoor installation?

Yes. The enclosure features a high IP34D protection rating, which provides effective resistance against dust and moisture ingress. This makes the unit well-suited for outdoor deployment in a variety of environmental conditions.

Q What power supply modes does this substation support?

The substation supports multiple power supply configurations, including ring network power supply, dual power supply, and radial terminal power supply. This flexibility ensures reliable operation across a wide range of distribution system designs.

Q In which scenarios is this compact substation most commonly used?

This substation is widely used in urban residential areas, commercial centers, industrial parks, public facilities, and temporary construction sites. Its ability to be positioned close to the load center makes it highly effective at reducing line loss and improving power delivery efficiency.