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China YBM□-12/0.4 Pre-assembled High/Low Voltage Substation - Reliable Suppliers and Factory Solutions
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China YBM□-12/0.4 Pre-assembled High/Low Voltage Substation - Reliable Suppliers and Factory Solutions

The YBM□-12/0.4 high/low voltage prefabricated substation, often referred to as a European box-type substation, is a state-of-the-art, compact distribution solution. This innovative product seamlessly combines high voltage switchgear, a power transformer, and low voltage distribution devices within a robust, closed steel structure. As a leading manufacturer in China, our factory is dedicated to providing reliable and efficient substation solutions, making us one of the top suppliers in the industry. Experience the efficiency and durability of our prefabricated substations, which are designed to meet the diverse needs of modern electrical distribution systems
  • Model YBM□-12/0.4

This compact product features a functional design with three compartments: high-voltage, transformer, and low-voltage rooms. Its standout advantages include a highly integrated system and compact footprint — occupying merely 1/10 to 1/5 of the space required by conventional substations of equivalent capacity, significantly reducing civil engineering work and construction costs. The enclosure boasts a high IP34D protection rating, providing effective dust and moisture resistance for outdoor applications.

⚡ Key Advantages
🏗️

Compact Footprint

Occupies only 1/10 to 1/5 of the space of conventional substations, drastically cutting civil engineering and construction costs.

🔒

IP34D Protection Rating

High-grade enclosure protection ensures effective resistance against dust and moisture — ideal for outdoor environments.

⚙️

Highly Integrated System

Three-compartment design (high-voltage, transformer, low-voltage) delivers a fully integrated and efficient power solution.

📋 Main Technical Parameters
💡

Rated voltage: 12/0.4kV | Transformer capacity: 100kVA to 1250kVA and above | Compatible with both oil-immersed and dry transformers.

Parameter Specification
Rated Voltage 12 / 0.4 kV
Transformer Capacity 100 kVA – 1250 kVA and above
Transformer Type Oil-Immersed or Dry Type
Enclosure Protection IP34D
Compartment Design High-Voltage / Transformer / Low-Voltage
🔄 Distribution System Operation Modes
🔁

Ring Network Power Supply

Supports looped network configurations for enhanced reliability and continuity.

Dual Power Supply

Provides redundant power paths, ensuring uninterrupted supply even during faults.

📡

Radial Terminal Supply

Flexible radial distribution to serve end-point loads with efficient energy delivery.

🏙️ Applications
  • 🏘️ Urban Residential Areas
  • 🏬 Commercial Centers
  • 🏭 Industrial Parks
  • 🏛️ Public Facilities
  • 🚧 Temporary Construction Sites
  • 🔌 Load Center Integration (Reducing Line Loss)
❓ Frequently Asked Questions
Q What is the rated voltage of this compact substation?
The rated voltage is 12/0.4kV, making it suitable for medium-voltage distribution networks commonly used in urban and industrial power systems.
Q What transformer capacity range does this product support?
The product supports a wide transformer capacity range, commonly from 100kVA to 1250kVA and above, catering to various load requirements from small facilities to large industrial parks.
Q Can this substation be used outdoors?
Yes. The enclosure is rated at IP34D, offering effective protection against dust and moisture ingress, making it well-suited for outdoor installation and operation.
Q What power supply modes does this compact substation support?
It supports three flexible operation modes: ring network power supply, dual power supply, and radial terminal power supply, ensuring reliable and adaptable distribution configurations.
Q How much space does this compact substation save compared to conventional substations?
This product occupies only 1/10 to 1/5 of the footprint of a conventional substation with equivalent capacity, significantly reducing land use and civil engineering costs.
Q What types of transformers are compatible with this substation?
The substation is compatible with both oil-immersed transformers and dry-type transformers, providing flexibility to meet different safety, environmental, and operational requirements.