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High-performance electrical distribution systems engineered for reliability, safety, and efficiency. Trusted by utilities, industries, and infrastructure projects worldwide.

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Medium Voltage Switchgear

10kV–33kV solutions including GIS, AIS, RMU, and withdrawable VCB panels.

Low Voltage Distribution

Custom LV cabinets, distribution boxes, and power control systems up to 0.4kV.

Prefabricated Substations

Integrated box-type substations with IP55–IP56 protection for outdoor use.

About MV/LV Switchgear

Shenzhen Dong Sheng Yuan Electrical Equipment Co., Ltd. is a leading Chinese manufacturer of medium and low voltage switchgear, serving global markets with high-quality, IEC and GB-compliant electrical distribution systems.

With advanced production facilities and strict quality control processes, we deliver reliable, safe, and efficient solutions for power utilities, industrial plants, commercial buildings, and infrastructure projects.

ISO & IEC Certified Manufacturing
Custom Design & Engineering Support
Global Export Experience
24/7 Technical Consultation

Our Product Range

Comprehensive portfolio of MV and LV electrical distribution equipment designed for durability, safety, and performance in diverse applications.

12kV Withdrawable VCB Circuit Breaker

Magnetic control, indoor type, high breaking capacity for medium voltage networks.

Voltage: 12kV

Type: Vacuum, Withdrawable

Standard: IEC 62271

33kV Medium Voltage Panel

Floor-standing, 2000A rating for industrial power distribution.

Voltage: 33kV

Current: 2000A

Application: Power Plants, Factories

24kV Fixed Type Vacuum VCB

310mm phase spacing, ideal for compact switchgear installations.

Voltage: 24kV

Type: Fixed Vacuum Breaker

Standard: IEC, GB

33kV GIS Gas Insulated Switchgear

Fully sealed SF6 insulated ring main unit for urban power grids.

Voltage: 33kV

Insulation: SF6 Gas

Protection: IP67

KYN61A Medium Voltage Switchgear

Metal-enclosed, withdrawable design, 2000A, IEC compliant.

Model: KYN61A

Current: 2000A

Standard: IEC 62271

1250A Indoor VCB Circuit Breaker

25kA short-circuit rating, embedded pole design for reliability.

Current: 1250A

Breaking: 25kA

Application: Indoor Substations

Pole Mounted Outdoor HV VCB

12kV intelligent control, permanent magnet actuator for distribution networks.

Voltage: 12kV

Type: Pole Mounted, Vacuum

Control: Intelligent

High Safety Solid Insulated Switchgear

12kV fully insulated structure, eco-friendly, maintenance-free.

Voltage: 12kV

Insulation: Solid Dielectric

Protection: IP65

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Why Choose Our Switchgear?

Engineered for performance, safety, and long-term reliability in demanding environments.

High Safety

Arc-resistant designs, interlocking systems, and full insulation for operator protection.

Modular Design

Flexible configurations, easy expansion, and simplified maintenance for future needs.

Global Standards

Compliant with IEC, GB, and other international standards for global deployment.

Industrial Durability

Robust enclosures, IP55+ protection, and corrosion-resistant materials.

15+

Years Experience

50+

Countries Served

10,000+

Units Delivered

99.8%

Reliability Rate

Frequently Asked Questions

What standards do your products comply with?

Our switchgear meets IEC 62271, GB, and other international standards. All products undergo rigorous testing for certification.

Can you provide custom designs?

Yes, we offer full customization including dimensions, configurations, protection levels, and control systems.

What is the delivery time?

Typical lead time is 4–8 weeks depending on order size and customization. Urgent orders can be expedited.

Do you offer technical support?

Yes, our engineering team provides installation guidance, commissioning support, and training upon request.

Get in Touch

For inquiries, quotes, or technical support, contact our team directly.

Contact: Mr. Leo

Phone: +8618025088754

Email: [email protected]

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