Vsg 12kv Spring Operating Mechanism for Vacuum Circuit Breaker
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Product Highlights
- High Mechanical Durability: 10,000 mechanical operations for long-term reliable performance.
- Vacuum Arc Extinguishing: Ensures high safety and efficiency in high voltage applications.
- Flexible Rated Current: Available in 630A to 3150A to match diverse load requirements.
- OEM and Customization: Accepts logo printing and custom drawings for specific parameters.
- Strict Quality Control: Full inspection by QC department before shipment with reports.
- Fast Response Service: 24-hour reply for inquiries and 3-day solution for quality issues.
- Versatile Application: Suitable for industrial, mining, and power plant protection units.
- Certified Quality: ISO9001-2000 certified for consistent manufacturing standards.
Product Attributes
- Customization
- Available
- Breaking Capacity
- High Voltage Circuit Breakers
- Operation
- Energy-storage Type
- Model NO.
- VSG-12
- Speed
- Normal Type Circuit Breaker
- Arc-extinguishing Medium
- Vacuum
- Installation
- Indoor
- Structure
- Vcb
- Type
- Circuit Breaker
- Certification
- ISO9001-2000
- Rated Voltage
- 12kv/24kv
- Rated Frequency
- 50Hz
- Transport Package
- Wooden Case
- Trademark
- Liyond
- Origin
- China
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Product Description

VSG -12kV Spring Operating Mechanism for Vacuum Circuit Breaker
This VSG actuating mechanism is for VSG-12 vacuum circuit breaker, is a type of front indoor high voltage VCB, suitable for 3 phase AC,50 Hz, and rated voltage of 12kV, and applied in places with breaking of different load and frequent operations as protection and control unit, such as industrial and mining enterprise, power plants and transformer substations.
Working Conditions:
1. Altitude not exceeding 2000m;
2. Ambient temperature: -15°c ~+40°c;
3. Relative humidity: monthly average not exceeding 95%, daily relative humidity not exceeding 95%;
4. Earthquake level not exceeding 8 class;
5. Without peril of fire, corrosion gas, explosion, vibration.
Techinical Data
| Item | Unit | Data | |
| Rated voltage | kV | 12 | |
| Rated insulation voltage | 1 min power frequency withstand voltage | kV | 65 |
| Lightning impulse withstand voltage(peak) | kV | 75 | |
| Rated frequency | Hz | 50/60 | |
| Rated current | A | 630,1250,1600,2000,2500,3150 | |
| Rated short-time withstand current | kV | 20,25,31.5 | |
| Rate peak withstand current | 50,63,80 | ||
| Rate short-circuit duration | S | 4 | |
| a.c. component of rate short-circuit breaking current | kA | 42 | |
| Rated short-circuit making current | kA | 50,63,80,100 | |
| Mechanical life | time | 10000 | |
| Permitted abrasion thickness of moving and fixed contacts | mm | 3 | |
| Arcing time | ms | ≤15 | |










FAQ
Q: Could I have prices of your products?
A: Welcome. Please feel free to send us inquiry here. We will reply you within 24 hours.
Q: Can I get a sample before the bulk order?
A: Yes, we welcome sample order to test and check quality.Mixed samples are acceptable.
Q: Can we print our logo/ company name on products?
A: Yes, of course, we accept OEM, then need you to provide brand authorization to us
Q:Do you accept product customization?
A:Yes, of course, please provide specific drawings or parameters, we will quote you after evaluation
Q: What is the lead time?
A: The lead time depends on the quantities ordered, generally within 7-20 days after receiving the payment.
Q: What is your Trade Terms?
A: We accept EXW, FOB, CIF, FCA, etc.
Q: What is your payment method?
A: We accept T/T, Western Union, Paypal, irrevocable L/C at sight, etc
Q: Do you inspect the finished products?
A: Yes, each step of production and finished products will be came out inspection by QC department before shipping. And we will provide goods inspection reports for your reference before shipment
Q: How to solve the quality problems after sales?
A: Take photos of the quality problems and send to us for our checking and confirming, we will make a satisfied solution for you within 3 days.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASI223330". Items marked "" are certified.
Company Profile
Yueqing Liyond Electric Co., Ltd. Was established in 2011, with its headquarters located in Yueqing, Zhejiang Province - known as the "Capital of Electrical Equipment" in China. To continuously expand our business scale, the company established Hangzhou Liyond Electric Co., Ltd. In 2024 as a branch to further extend our business footprint. As a professional enterprise specializing in the research, development, and production of medium and high voltage switchgear and components, we have been deeply engaged in the power transmission and distribution field for over 15 years, committed to providing customers with high-quality products and services.
We specialize in the manufacturing and distribution of KYN28 switchgear, ring main units, gas-insulated switchgear, and associated equipment components. With continuous innovation and technological advancements in both application and development, Liyond Electric has successfully obtained more than 10 proprietary patents to date.
Our products are exported to regions including the United States, Europe, South America, Africa, Central Asia, Southeast Asia, and the Middle East. We have established long-term cooperative relationships with globally renowned enterprises such as ABB, Schneider Electric, Eaton, GE, Cooper, TEL, and CG. With our high-quality products and stringent standards, we have gained extensive recognition in the international market.
We possess an exceptional management team and a dedicated technological innovation team. Guided by customer needs and centered on industry standards and professional expertise, we implement quality control throughout the entire production and process control system. Based on the principle of mutual benefit and win-win cooperation, we have earned extensive trust and support from our clients.
Liyond Electric will continue to deepen its market presence, drive technological advancement through innovation, accelerate intelligent transformation, actively expand its global perspective, and strive to become a leading brand in the industry both domestically and internationally.
We warmly welcome customers from all over the world to establish cooperation and create a better future.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- Room 1801, building 2, 3 and 4, headquarters economic Park, No. 6688, Xuyang Road, Chengdong street, Yueqing City, Zhejiang Province
-
Plant Area
- 1100 square meters
-
Number of Employees
- 18
-
Registered Capital
- 5,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Ningbo Port, Shanghai Port
Our Production Capability & Technical Expertise
-
Main Products
- Medium and High Voltage Switchgear, Switchgear Accessories, Vacuum Vircuit Breaker, Vacuum Circuit Breaker Accessories, Earthing Switch, Load Break Switch, Auxiliary Switch, Conductive Parts, Insulation Parts
-
R&D Engineers
- 2 people
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2011-04-07
- Export Year
- 2011-04-07
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea)
-
Number of Foreign Trading Staff
- 7
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE
FAQ
- Could I have prices of your products?
- Welcome. Please feel free to send us inquiry here. We will reply you within 24 hours.
- Can I get a sample before the bulk order?
- Yes, we welcome sample order to test and check quality.Mixed samples are acceptable.
- Can we print our logo/ company name on products?
- Yes, of course, we accept OEM, then need you to provide brand authorization to us
- Do you accept product customization?
- Yes, of course, please provide specific drawings or parameters, we will quote you after evaluation
- What is the lead time?
- The lead time depends on the quantities ordered, generally within 7-20 days after receiving the payment.
- What is your Trade Terms?
- We accept EXW, FOB, CIF, FCA, etc.
- What is your payment method?
- We accept T/T, Western Union, Paypal, irrevocable L/C at sight, etc
- Do you inspect the finished products?
- Yes, each step of production and finished products will be came out inspection by QC department before shipping. And we will provide goods inspection reports for your reference before shipment
- How to solve the quality problems after sales?
- Take photos of the quality problems and send to us for our checking and confirming, we will make a satisfied solution for you within 3 days.
Send your message to this supplier
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