European-Style Box-Type Substation is a type of prefabricated power distribution unit. Its operating principle is fundamentally the same as that of a traditional civil engineering electrical room. It functions by receiving high-voltage power through high-voltage switchgear, stepping it down via a transformer, and then distributing the electrical energy through low-voltage switchgear.

The high-voltage equipment, transformer, and low-voltage equipment are well-arranged and installed within a steel structural enclosure, forming a complete set of power distribution equipment. Thanks to its robust box-type enclosure structure, it offers excellent mobility and easy installation, making it perfectly suitable for outdoor use.

1. Three-Compartment Modular Design (Signature Feature)

2. Physically Separated & Independent Enclosures

3. Dedicated High-Voltage Switchgear (Key Distinction)

4. Flexible Transformer configuration Options

5. Fully Accessible Low-Voltage Compartment

6. Advanced Ventilation & Thermal Management

7. Heavy-Duty Enclosure Construction

High Mobility: Ideal for temporary power projects. It can be easily relocated and reinstalled at new sites after use, minimizing resource waste.

Easy Installation: Internal equipment is assembled and tested at the factory. On site, the unit only needs to be fixed on the prefabricated foundation and connected to incoming and outgoing cables.

Reduced On-Site Construction: No separate distribution room is required. Only a  simple foundation is needed, greatly reducing on-site construction work.

Significantly Lower Costs: The cost is approximately 50% lower than conventional civil-built substations. It reduces construction time by half and requires no personnel on duty during operation.

Project Name		Unit	Parameter
High pressure part	Rated frequency	Hz	50
	Rated voltage	kV	6、10、35
	Maximum working voltage	kV	6.9、11.5、40.5
	Power frequency withstand voltage (to earth and across break)	kV	32/36、42/48、95/118
	Lightning impulse withstand voltage (to earth and across break)	kV	60/70、75/85、185/215
	Rated current	A	400、630
	Rated short-time withstand current	kA	12.5(2s)、16(2s)、20(2s)
	Rated peak withstand current	kA	31.5、40、50
Low pressure part	Rated voltage	V	380、220
	Rated current of main circuit	A	100~3200
	Rated short-time withstand current	kA	15、30、50
	Rated peak withstand current	kA	30、63、110
	Branch current	A	10~800
	Number of branch circuits	-	1~12
	Compensation capacity	kVar	0~360
Transformer part	Rated capacity	kVA	50~2000
	Short-circuit impedance	%	4、6
	Tap range	-	±2×2.5%、±5%
	Connecting group	-	Yyn0、Dyn11