Product Category

Product Category

Explore IEC-standard LV/MHV switchgear panel, VCB, LBS, CT/PT/VT, and epoxy resin insulators. Find exactly what your power project needs — start here.
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ISO 9001

According to ISO 9001 quality management system, ISO 14001 environmental management system and other standards to establish a sound management system.

Manufacturing Strength

We have extremely strict quality control procedures from components to finished products, and maintain a stable production cycle within 15 days.

SGCC

It provides products for State utilities, State Grid Corporation of China (SGCC) and China Railway Construction Corporation.
What We Do

What We Do

We design, manufacture, and supply a full range of power transmission and distribution equipment, including:

  • ● Prefabricated power substations (11kv 20kv 35kv)
  • ● Oil-type and dry-type power transformers
  • ● Low-voltage switchboards (GGD, MNS) and medium-voltage switchgear panel(KYN28, Sf6 gas insulated switchgear GIS, ring main unit switchgear RMU)
  • ● Indoor and outdoor type high-voltage circuit breakers, disconnect switch, earthing switch and load break switch up to 110kv 220kv (VS1, ZW32, ZW7, LW30, LW36, SF6 live/dead tank type circuit breakers)
  • ● Current and voltage transformers (CT, VT/PT up to 110KV 220kV)
  • ● Switchgear components and accessories (grounding switch interlock, shutter mechanism, epoxy resin insulators, contact box, through-wall bushing, etc)

As a leading manufacturer in China, Usune integrates over 200 high-quality partner factories to ensure strict quality control from components to finished products.

What We Do
Why Choose Us

Why Choose Us

Professional Manufacturer: With specialized production lines for switchgear, circuit breakers, and epoxy resin injection.

Reliable Supplier: Backed by type tests and international standards.

Factory Direct: Competitive pricing and quality assurance from our factory in China.

Global Reach: Serving markets in Eastern Europe, South America, Southeast Asia, the Middle East, and CIS.


Our Team

We are a team of experienced engineers, production specialists, and quality control experts dedicated to delivering excellence in power equipment.

Service Advantages

12-hour response for quality issues

Technical confirmation via drawings and technical lists before production

Full lifecycle support from design to after-sales

Customization Services

We offer OEM/ODM services based on customer drawings or samples. From technical consultation to final production, Usune ensures every project meets your specific requirements.

FAQ

Frequently Asked Questions

Need quick answers on OEM, payment, delivery, or custom design? Check our FAQ for honest, detailed responses from our team.
Q1: Are you a manufacturer or trading company? +

Usune Electric is a real manufacturer with our own 4,300㎡ factory in Yueqing, Zhejiang, China. We are NOT a trading company. You are welcome to visit our facility and see our production lines for switchgear panels, high voltage breaker switch, instrument transformers and epoxy resin insulators.

Q2: What are your main products and voltage ranges? +

A: Our main products include:
- Power transformers: up to 35kV, 10MVA (oil-immersed and dry type)
- Switchgear panels: KYN28, GIS, RMU (up to 40.5kV), GGD, MNS (low voltage)
- Vacuum circuit breakers: VS1 indoor (12kV-40.5kV), ZW32/ZW7 outdoor (12kV-110kV)
- Disconnect switch: GW4, GW5 outdoor (12kV-110kV)
- SF6 gas live/dead tank circuit breaker up to 110kv, 145kv
- Current transformer CT and voltage transformers PT/VT: up to 110kv 220kV
- Epoxy resin insulator and bushings for switchgear panel 12KV 24KV 36KV.

Q3: Do you provide OEM/ODM customization? +

A: Yes. We offer full OEM/ODM services based on customer drawings, samples, or technical specifications. Customization includes voltage ratings, enclosure colors, connection types, branding, and packaging. Minimum order quantity for custom products is 1 unit for R&D collaboration.

Q4: How do your prices compare to European brands like ABB or Siemens? +

A: As a China-based manufacturer, Usune Electric offers 30-40% cost savings compared to European brands while maintaining quality through ISO 9001 certification and SGCC compliance. We provide factory-direct pricing with no middleman fees. Many customers use us as a cost-effective alternative for utility and industrial projects.

Q5: What is the typical lead time and shipping? +

A: - Standard transformers and switchgear: 15-25 working days
- Custom solutions: 30-45 working days
- Shipping: Air freight (3-7 days) or Sea freight (20-35 days) to major ports worldwide (CIF, FOB, EXW available). We have experience shipping to Eastern Europe, South America, Southeast Asia, Middle East, and CIS.

Q6: Do you provide after-sales support for overseas customers? +

A: Yes. We provide comprehensive after-sales support:
- 12-hour response for quality issues (email/WhatsApp/WeChat)
- Technical drawings and documentation support
- On-site commissioning and training (available upon request)
- Spare parts supply with 48-hour shipping from our warehouse
- Remote troubleshooting via video call

About Us
About Us

About Us

Zhejiang Usune Electric Co., Ltd.
Zhejiang Usune Electric Co., Ltd. is a trusted manufacturer in China, established in 2011, specializing in high-voltage and low-voltage electrical equipment, including switchgear panel, high voltage circuit breaker switch, epoxy resin insulators and bushing, power transformers and instrument Transformers. As a professional supplier and factory, we integrate R&D, production, and sales to deliver reliable power solutions worldwide. With a 4,300㎡ production base and 100+ skilled professionals, we are committed to excellence in the power industry.

Send Inquiry

Ready to get a quote or custom solution? Send us an inquiry now — we’ll reply within 12 hours and support your project from design to delivery.

Address

No. 298, Wei 17th Road, Yueqing Economic Development Zone, Yueqing, Wenzhou City, Zhejiang Province, China

News

News

Stay updated on Usune’s latest certifications, project photos, and industry events. Read our news to see how we grow with global partners.
Discussion and analysis of application technical problems of high voltage vacuum circuit breaker

Discussion and analysis of application technical problems of high voltage vacuum circuit breaker

  • The application of the high-voltage vacuum circuit breaker in our power supply system began in 1978. Its light weight, simple structure, long service life and other advantages were quickly recognized by the power department operation, overhaul and technicians. The quality of the early domestic high voltage vacuum circuit breaker is not stable enough, the on-load voltage is high in the operation process, and there is leakage phenomenon in some vacuum arc extinguishing chambers.
Low voltage switchgear is an important part of the power transmission and transformation manufacturing industry

Low voltage switchgear is an important part of the power transmission and transformation manufacturing industry

  • The processing and manufacturing industry of low-voltage switchgear is a key component of the power transmission and transformation equipment processing and manufacturing industry, and plays a crucial role in the entire power industry. The key components of switchgear include high-voltage circuit breakers, voltage transformers, locally installed microcomputer relay protection equipment, actual operation control circuit accessories (door handles, display lights, pins), and auxiliary power switches from various manufacturers of switchgear.
Why Is a 630kVA Oil Immersed Self Cooled Transformer Essential for Reliable Power Distribution?

Why Is a 630kVA Oil Immersed Self Cooled Transformer Essential for Reliable Power Distribution?

  • A reliable power supply is the foundation of industrial production, commercial operations, and infrastructure development. Choosing the right transformer capacity and cooling method directly affects energy efficiency, operational safety, and equipment lifespan. A 630kVA Oil Immersed Self Cooled Transformer offers a balanced solution for medium-scale power distribution by combining stable voltage conversion, excellent heat dissipation, low maintenance requirements, and long-term durability.
GN22-6 Indoor High-Voltage Disconnecting Switch Improves Power System Safety and Reliability

GN22-6 Indoor High-Voltage Disconnecting Switch Improves Power System Safety and Reliability

  • With the continuous development of industrial power systems, power plants and electrical facilities require safer and more reliable solutions for power isolation during equipment maintenance. High-voltage disconnecting switches play an essential role in ensuring electrical safety by providing reliable isolation and improving maintenance efficiency.
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