China Suppliers Factory YBM□-12/0.4 Prefabricated Substation - Compact High/Low Voltage Distribution Box
⚡ Product Overview
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. As a key node for receiving and distributing electric energy, it can penetrate into the load center and effectively reduce line loss.
🏆 Key Advantages
✅ Highly Integrated System
✅ Ultra-Compact Footprint
✅ IP34D Protection Rating
✅ Dust & Moisture Resistant
✅ Flexible Operation Modes
✅ Reduced Civil Engineering Costs
📋 Main Technical Parameters
🔌
Rated Voltage
12 / 0.4 kV
⚙️
Transformer Capacity
100 kVA – 1250 kVA & Above
🛡️
Protection Rating
IP34D
🔧
Transformer Type
Oil-Immersed or Dry
📐
Space Savings
1/10 to 1/5 of Conventional
🏗️
Compartments
High-Voltage / Transformer / Low-Voltage
🔄 Distribution System Operation Modes
🔁 Ring Network Power Supply
⚡ Dual Power Supply
📡 Radial Terminal Power Supply
In the distribution system, the operation mode is flexible and reliable, supporting ring network power supply, dual power supply, or radial terminal power supply configurations to meet diverse grid requirements.
🌍 Applications
🏘️ Urban Residential Areas
🏢 Commercial Centers
🏭 Industrial Parks
🏛️ Public Facilities
🚧 Temporary Construction Sites
❓ Frequently Asked Questions
Q
What are the three compartments in this compact substation?
The compact substation is divided into three functional compartments: the high-voltage room, the transformer room, and the low-voltage room. This three-compartment design ensures safe, organized, and efficient power distribution.
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 dramatically reduces the land footprint and associated civil engineering and construction costs.
Q
What is the IP protection rating of this substation, and is it suitable for outdoor use?
The enclosure carries an IP34D protection rating, which provides effective resistance against dust and moisture ingress. This makes it well-suited for outdoor installation in a variety of environmental conditions.
Q
What transformer types and capacity ranges are supported?
The substation supports both oil-immersed and dry-type transformers. The transformer capacity commonly ranges from 100 kVA to 1250 kVA and above, with a rated voltage of 12/0.4 kV, making it adaptable to a wide range of power demands.
Q
What distribution system configurations does this substation support?
It can be configured for ring network power supply, dual power supply, or radial terminal power supply systems. This flexibility allows it to adapt to diverse grid topologies and reliability requirements.
Q
In which scenarios is this compact substation most commonly used?
This product is widely deployed in urban residential areas, commercial centers, industrial parks, public facilities, and temporary construction sites. Its ability to be positioned close to the load center helps minimize line losses and improve overall distribution efficiency.













