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Pre-assembled Substation YBM□-12/0.4: China Suppliers & Factory for High/Low Voltage Solutions
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Pre-assembled Substation YBM□-12/0.4: China Suppliers & Factory for High/Low Voltage Solutions

The YBM□-12/0.4 high/low voltage prefabricated substation, often referred to as the European box-type substation, represents a cutting-edge solution for power distribution. This compact and efficient device seamlessly integrates high voltage switchgear, a power transformer, and low voltage distribution systems within a robust closed steel structure. As a leading China supplier and factory, we ensure that our substations are designed for reliability and performance, meeting the diverse needs of our customers in the energy sector. Discover the benefits of our state-of-the-art substation technology for your power distribution projects
  • Model YBM□-12/0.4

This compact product features a functional three-compartment design — high-voltage, transformer, and low-voltage rooms — delivering a highly integrated system with a remarkably small footprint, occupying merely 1/10 to 1/5 of the space required by conventional substations of equivalent capacity.

Key Advantages
🏗️

Compact Footprint

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

🔒

High IP34D Protection

The enclosure provides effective dust and moisture resistance, making it fully suitable for demanding outdoor applications.

🔧

Highly Integrated System

Three-compartment functional layout (high-voltage, transformer, low-voltage) ensures streamlined installation and maintenance.

📉

Reduced Line Loss

Can penetrate directly into the load center, effectively reducing energy transmission losses throughout the distribution network.

📋 Main Technical Parameters
Parameter Specification
Rated Voltage 12 / 0.4 kV
Transformer Capacity 100 kVA to 1250 kVA and above
Transformer Type Oil-immersed or Dry Transformer
Enclosure Protection Rating IP34D Outdoor Ready
Compartment Structure High-Voltage / Transformer / Low-Voltage Rooms
Footprint vs. Conventional 1/10 to 1/5 of equivalent capacity substations
🔌 Flexible Power Supply Modes
🔁

Ring Network Supply

Supports loop-based distribution for enhanced reliability and continuity.

⚙️

Dual Power Supply

Provides redundant power paths for critical load applications.

➡️

Radial Terminal Supply

Ideal for straightforward end-point distribution configurations.

🏙️ Typical Application Scenarios
🏘️ Urban Residential Areas
🏬 Commercial Centers
🏭 Industrial Parks
🏛️ Public Facilities
🚧 Temporary Construction Sites
Frequently Asked Questions
Q What is the rated voltage of this compact substation?
The rated voltage is 12/0.4 kV, making it suitable for medium-voltage distribution networks stepping down to low-voltage end users.
Q What transformer capacity range does this product support?
The product supports a wide transformer capacity range, commonly from 100 kVA to 1250 kVA and above, accommodating various load requirements from small commercial sites to large industrial applications.
Q Can this substation be used outdoors?
Yes. The enclosure is rated at IP34D, providing effective protection against dust and moisture ingress, making it well-suited for outdoor installations in a variety of environments.
Q What power supply configurations are supported?
This compact substation supports three flexible operation modes: ring network power supply, dual power supply, and radial terminal power supply, offering reliable and adaptable distribution solutions.
Q How does this product compare in size to conventional substations?
It occupies only 1/10 to 1/5 of the footprint of a conventional substation of equivalent capacity, greatly reducing the land area needed and lowering civil engineering and construction costs.
Q What are the typical application scenarios for this compact substation?
It is widely used in urban residential areas, commercial centers, industrial parks, public facilities, and temporary construction sites. As a key node for receiving and distributing electric energy, it can be installed close to the load center to effectively minimize line losses.