I. Overview
ZW32-12 Series outdoor AC high-voltage Vacuum circuit breaker (hereinafter referred to as the circuit breaker) is an outdoor distribution equipment with a rated voltage of 12KV and three-phase AC 50Hz. Mainly used for breaking and closing load current, overload current, and short-circuit current in power systems.
Suitable for protection and control in substations and industrial and mining enterprise distribution systems, it can also be used as a section switch for 12kV urban or rural power grids.
Circuit breakers can be equipped with isolation switches or surge protectors according to user needs.
The circuit breaker can be equipped with manual spring mechanism or electric spring mechanism, and the electric spring mechanism can be equipped with wireless remote control.
Circuit breakers can be combined with corresponding controllers to form automatic reclosers, sectionalizers, etc. according to user requirements, achieving distribution network automation.
II. Environmental conditions for use
1. Surrounding air temperature: upper limit+40 ℃, lower limit -40 ℃;
2. Altitude: ≤ 2000m (if the altitude increases, the rated insulation level will correspondingly increase);
3. Wind pressure: not exceeding 700Pa (equivalent to a wind speed of 34m/s);
4. Seismic intensity: not exceeding 8 degrees;
5. Pollution level: Level IV;
6. Temperature difference: not exceeding 25 ℃;
7. Relative humidity: daily average not exceeding 95%, monthly average not exceeding 90%;
8. A place without flammability, explosion hazard, chemical corrosion, and severe vibration.
III. Structural characteristics
1. The circuit breaker adopts a three-phase pillar structure, which has the characteristics of stable and reliable breaking performance, no combustion and explosion hazards, maintenance free, small size, light weight, and long service life.
2. The circuit breaker adopts a fully enclosed structure with good sealing performance, which helps to improve moisture-proof and anti condensation performance, especially suitable for use in cold or humid areas.
3. The three-phase pillars and current transformers adopt imported outdoor epoxy resin solid insulation, or indoor epoxy resin wrapped with organic silicon rubber solid insulation; It has the characteristics of high and low temperature resistance, UV resistance, and aging resistance.
4. The operating mechanism adopts a miniaturized spring operating mechanism, with low power of the energy storage motor and low energy consumption for opening and closing; The mechanism transmission adopts the true motion transmission method, with a small number of components and high reliability. The operating mechanism is placed in a sealed mechanism box, which solves the problem of rusting of the operating mechanism and improves its reliability.
5. The opening and closing operations of the circuit breaker can be manually or electrically operated, as well as remotely controlled. It can be matched with intelligent controllers to achieve distribution automation, and can also be combined with coincidence controllers to form automatic reclosers and sectionalizers.
6. Circuit breakers can be equipped with two-phase or three-phase current transformers for overcurrent or short-circuit protection, and can also provide current acquisition signals to intelligent controllers; According to user requirements, measuring current transformers can be installed.
7. The circuit breaker can be equipped with a three-phase interlocking isolation switch, which has a visible fracture when the isolation switch is in the open state, and has an anti misoperation interlock device with the circuit breaker body. The circuit breaker can only be operated when the isolation switch is fully closed or fully opened. Can be connected to lightning arrester post insulators for easy maintenance.
| Model | Size |
| ZW32-12 | 370*950*770mm |
ZW32-12 Intelligent Outdoor High Voltage AC Vacuum circuit breaker for Smart Power Distribution Systems
At Jihui Electric Group Co., Ltd., we specialize in the research, development, manufacturing, and service of medium and low voltage power transmission and distribution equipment up to 35kV. For many years, we have been working with power utilities, engineering companies, industrial enterprises, renewable energy projects, and infrastructure developers to provide safe and reliable electrical solutions.
Our ZW32-12 Intelligent Outdoor High Voltage AC Vacuum Circuit Breaker is designed for modern 12kV outdoor power distribution networks that require higher reliability, smarter control, and easier operation. By combining vacuum interruption technology with intelligent monitoring and control functions, this product helps customers build safer and more efficient power systems.
As an experienced intelligent outdoor Vacuum Circuit Breaker Manufacturer, we understand that today’s electrical networks are changing quickly. Traditional protection equipment is no longer enough for many applications. Customers need equipment that can not only interrupt faults but also support automation, remote monitoring, and smarter energy management.
The ZW32-12 intelligent vacuum circuit breaker is developed to meet these needs. It provides reliable protection for overhead distribution lines, transformers, industrial power systems, renewable energy facilities, and smart grid applications. With strong outdoor adaptability, stable electrical performance, and intelligent functions, it has become an important solution for modern medium voltage networks.
The ZW32-12 Intelligent Outdoor High Voltage AC Vacuum Circuit Breaker is a high-performance switching device designed for AC medium voltage distribution systems. It is mainly used in 12kV outdoor applications to control and protect electrical circuits.
Unlike traditional circuit breakers that use oil or other interruption methods, the ZW32-12 uses vacuum interruption technology. The electrical arc generated during circuit breaking is extinguished inside a vacuum chamber, which provides fast interruption and reliable protection.
The intelligent version adds modern control functions, allowing the equipment to work with automation systems and smart distribution networks. This makes operation more convenient and helps users monitor electrical conditions more effectively.
Our ZW32-12 Series is suitable for:
Outdoor medium voltage distribution networks
Smart grid projects
Power utility systems
Solar and wind energy projects
Industrial power distribution
Urban infrastructure networks
The product combines a compact structure with strong protection capability. It can operate reliably in outdoor environments where equipment may face rain, dust, temperature changes, and other environmental challenges.
At Jihui Electric, we believe that reliable electrical equipment comes from continuous improvement, strict manufacturing processes, and a deep understanding of customer needs.
Our company is located in Yueqing Economic Development Zone, China, and focuses on medium and low voltage power transmission and distribution products. Our product range includes:
Ring main units
Gas insulated switchgear
Combination transformers
Vacuum circuit breakers
With professional engineers, production teams, and quality control systems, we support customers from product selection to final delivery. We do not simply provide equipment; we provide complete electrical solutions based on actual project requirements.
Our management systems include:
ISO9001 Quality Management System
ISO14001 Environmental Management System
ISO45001 Occupational Health and Safety Management System
These certifications represent our commitment to stable production, responsible manufacturing, and continuous quality improvement.
For international customers, we provide professional support including technical communication, production arrangement, quality inspection, export packaging, and transportation coordination.
Understanding how a vacuum circuit breaker works helps customers choose the right protection equipment. The working process of the ZW32-12 is simple but highly reliable.
During normal operation, the circuit breaker contacts remain closed, allowing electrical current to pass through the distribution system. When the system detects an abnormal condition such as overload or short circuit, the intelligent control unit sends a signal to the operating mechanism.
The operating mechanism quickly separates the internal contacts. Because the contacts are placed inside a vacuum interrupter, the electrical arc disappears rapidly after contact separation.
This fast interruption process protects electrical equipment and prevents faults from spreading through the power network.
The intelligent control system provides additional functions such as:
Remote operation support
Fault monitoring
Status information feedback
Automation system connection
Power distribution management support
These functions make the ZW32-12 more suitable for modern smart grid applications compared with traditional outdoor circuit breakers.
| Working Stage | Process Description | Customer Benefit |
|---|---|---|
| Normal Operation | Contacts remain closed for power transmission | Stable electricity supply |
| Fault Detection | Intelligent system identifies abnormal conditions | Quick protection response |
| Vacuum Interruption | Vacuum chamber extinguishes electrical arc | Protects equipment safety |
| Remote Management | Data communication and control functions | Easier system operation |
Source: Operating principle information is based on IEC 62271-100 High-voltage switchgear and controlgear standards and common intelligent vacuum circuit breaker application practices.
One of the biggest advantages of the ZW32-12 intelligent vacuum circuit breaker is its smart control capability.
Modern power networks require more than simple switching functions. Operators need better visibility of equipment status and faster response to electrical problems.
The intelligent system helps users monitor operating conditions and improve power distribution management efficiency.
The vacuum interrupter is the key component of the circuit breaker. It provides excellent arc extinguishing performance and ensures reliable fault interruption.
Because there is no insulating oil inside the interruption system, the equipment requires less maintenance and provides better environmental performance.
Outdoor electrical equipment must operate under changing weather conditions. The ZW32-12 is designed with a protective structure that improves resistance against moisture, dust, and temperature changes.
This makes it suitable for outdoor distribution systems where long-term reliability is important.
The compact design of the ZW32-12 helps reduce installation space requirements. It can be installed in different outdoor distribution applications while maintaining excellent performance.
For customers, this means easier project installation and improved system flexibility.
We design our products for long-term operation. The ZW32-12 uses durable components and optimized mechanical structures to maintain stable switching performance over many years.
This helps customers reduce maintenance frequency and improve the overall economic value of their power systems.
At Jihui Electric, our engineers focus on practical improvements that help customers solve real power system challenges.
Electrical faults can interrupt production and affect important facilities. The ZW32-12 provides fast fault isolation to reduce the impact of abnormal conditions.
This improves the stability of medium voltage distribution networks.
Smart grids require electrical equipment with communication and automation capabilities. The intelligent ZW32-12 vacuum circuit breaker supports modern distribution automation requirements.
It helps utilities improve operational efficiency and provides better management of electrical assets.
The vacuum interruption system does not require insulating oil, reducing environmental risks and maintenance work.
This makes the product suitable for customers who want reliable equipment with improved environmental performance.
When selecting outdoor switching equipment, customers usually compare reliability, maintenance requirements, and automation capability. The following comparison shows the advantages of intelligent vacuum circuit breaker technology.
| Comparison Item | ZW32-12 Intelligent Vacuum Circuit Breaker | Traditional Outdoor Circuit Breaker |
|---|---|---|
| Interruption Method | Vacuum interruption technology | Traditional interruption methods |
| Smart Control Function | Supports monitoring and automation | Usually limited control functions |
| Maintenance Requirement | Low maintenance design | Higher routine maintenance needs |
| Smart Grid Compatibility | Suitable for automation systems | Limited integration capability |
Source: Comparison information is summarized from IEC switchgear standards and general medium voltage distribution equipment technical references.
| Feature | Vacuum Circuit Breaker | Oil Circuit Breaker | SF6 Circuit Breaker |
|---|---|---|---|
| Arc Extinguishing Medium | Vacuum | Insulating Oil | SF6 Gas |
| Maintenance Level | Low | Higher | Medium |
| Environmental Management | Simple | Oil management required | Gas management required |
| Smart Grid Application | Excellent suitability | Limited | Suitable |
Source: Technical comparison based on IEC 62271 series standards and general industry application information.
At Jihui Electric Group, we design our electrical equipment based on real customer needs. Power systems in different industries have different challenges, but they all require safe, stable, and intelligent protection solutions.
The ZW32-12 Intelligent Outdoor High Voltage AC Vacuum Circuit Breaker is widely used in modern medium voltage power distribution networks because it combines reliable vacuum interruption technology with intelligent control functions. It helps customers improve system safety, reduce maintenance work, and achieve more efficient power management.
Power utilities are responsible for delivering stable electricity to homes, businesses, and industrial users. Outdoor distribution lines often face problems caused by weather conditions, equipment aging, and unexpected electrical faults.
Our 12kV intelligent outdoor vacuum circuit breaker provides fast fault isolation and reliable switching performance for distribution networks. It helps operators reduce the influence of electrical failures and improve power supply continuity.
With intelligent monitoring and remote control functions, the equipment supports modern distribution automation systems and smart grid development.
The renewable energy industry requires reliable medium voltage equipment to connect solar and wind power generation systems to the electrical grid.
Our ZW32-12 intelligent vacuum circuit breaker can be used in renewable energy collection systems, transformer protection applications, and grid connection projects.
Its intelligent functions allow operators to monitor equipment conditions and improve the efficiency of energy management.
Factories depend on stable electricity to operate production lines, motors, automation equipment, and control systems. A sudden power failure can cause production delays and financial losses.
The ZW32-12 outdoor high voltage AC vacuum circuit breaker provides reliable protection for industrial power distribution systems. It helps protect important electrical equipment from overload and short-circuit conditions.
Its low maintenance design is also helpful for companies that want to reduce operating costs and improve production reliability.
Transportation systems, public facilities, and urban infrastructure require highly reliable electrical networks. Power interruptions in these areas can affect public services and daily operations.
The compact structure and intelligent control capability of our vacuum circuit breaker make it suitable for outdoor distribution applications in rail transit systems, commercial buildings, and municipal projects.
Heavy industries usually operate under demanding conditions and require electrical equipment with strong reliability.
The ZW32-12 intelligent outdoor vacuum circuit breaker provides dependable protection and switching control for these applications. It helps improve electrical safety while supporting continuous industrial operation.
At Jihui Electric, we believe product reliability starts from careful manufacturing. Every ZW32-12 circuit breaker is produced through controlled processes, professional assembly, and strict testing procedures.
Our manufacturing process focuses on creating equipment that can perform reliably in real outdoor working environments.
Before production, our engineering team studies customer requirements, application environments, and technical specifications.
During product development, we focus on improving:
Electrical safety performance
Vacuum interruption reliability
Intelligent control functions
Mechanical operation stability
Outdoor environmental protection
This approach helps us provide practical solutions for different medium voltage power systems.
Material quality directly affects product performance. We carefully select electrical insulation materials, conductive components, mechanical parts, and protective enclosures.
For outdoor applications, we pay special attention to corrosion resistance, sealing performance, and structural strength.
The vacuum interrupter and operating mechanism are key components, so we apply strict requirements to ensure long-term reliability.
The intelligent control system is an important part of the ZW32-12 series. During assembly, our technicians carefully install and test control units, communication components, and mechanical operating systems.
Each component must work together correctly before the product enters the final inspection stage.
Before shipment, every ZW32-12 intelligent outdoor vacuum circuit breaker undergoes complete factory testing.
| Testing Item | Purpose | Testing Method |
|---|---|---|
| Insulation Test | Confirm electrical safety | High voltage withstand testing |
| Mechanical Operation Test | Verify opening and closing reliability | Repeated operation testing |
| Control Function Test | Check intelligent operation performance | Communication and control inspection |
| Outdoor Structure Inspection | Verify protection capability | Appearance and sealing inspection |
Source: Testing procedures are based on IEC 62271-100 high-voltage switchgear standards and Jihui Electric internal quality inspection requirements.
For electrical equipment, quality is not only about product appearance. It is about whether the equipment can operate safely and continuously after installation.
At Jihui Electric, quality control runs through the entire production process, including material inspection, manufacturing control, performance testing, and final delivery inspection.
Our management certifications include:
ISO9001 Quality Management System Certification
ISO14001 Environmental Management System Certification
ISO45001 Occupational Health and Safety Management System Certification
These certifications demonstrate our commitment to stable production, environmental responsibility, and safe manufacturing.
Jihui Electric Group has extensive experience in manufacturing medium and Low voltage power distribution equipment up to 35kV.
Our products serve:
Power companies
Engineering contractors
Equipment integrators
Renewable energy developers
Industrial enterprises
Infrastructure projects
Our experience allows us to understand different project requirements and provide suitable electrical solutions.
Every project has different electrical conditions. Some customers require standard equipment, while others need customized solutions.
Our engineering team supports customers with:
Technical consultation
Product selection assistance
Project specification confirmation
Customized production service
We work together with customers to ensure the equipment matches their application requirements.
For overseas customers, we provide complete export support from inquiry to delivery.
Our service includes:
Technical communication
Production planning
Quality inspection reports
Export documentation
Transportation arrangement
Depending on product size, quantity, and destination, we support sea transportation, land transportation, and combined logistics solutions.
Electrical equipment requires careful protection during transportation. We use professional packaging methods according to product characteristics.
Our packaging focuses on:
Moisture protection
Shock resistance
Secure fixing
Long-distance transportation safety
This helps ensure customers receive products in excellent condition and ready for installation.
It is a 12kV outdoor medium voltage switching device that uses vacuum interruption technology and intelligent control functions to protect and manage electrical distribution systems.
The main advantages include reliable fault protection, remote monitoring capability, low maintenance requirements, strong outdoor adaptability, and long service life.
It can be used in outdoor distribution networks, substations, renewable energy projects, industrial facilities, smart grid systems, and infrastructure applications.
Yes. We provide customized solutions based on voltage level, installation conditions, control requirements, and project specifications.
We ensure quality through professional design, strict material selection, standardized production, complete testing procedures, and final inspection before delivery.
At Jihui Electric Group, our mission is to provide safe, reliable, and efficient power distribution solutions for customers worldwide.
The ZW32-12 Intelligent Outdoor High Voltage AC Vacuum Circuit Breaker combines vacuum interruption technology, intelligent control functions, durable outdoor design, and professional manufacturing experience.
For power utilities, renewable energy companies, industrial users, and infrastructure developers, reliable switching equipment is essential for building stable electrical systems.
With our experience in medium voltage equipment manufacturing, strict quality management, and professional international service, we are ready to support your power distribution projects.
If you are searching for a reliable ZW32-12 Intelligent Outdoor High Voltage AC Vacuum Circuit Breaker manufacturer, 12kV intelligent vacuum circuit breaker supplier, or smart grid power distribution equipment provider, Jihui Electric can provide professional solutions for your electrical applications.
JiHui Electric Group Co., Ltd , high-end website construction, foreign trade website construction, marketing website construction, website optimization, development websites, corporate network marketing, search engine promotion, wechat mini program, corporate mailbox, short video operation, etc.
No. 161 Jingliu Road, Yueqing Economic Development Zone, Yueqing City, Zhejiang Province, China
jh.power@jihuielec.com
+86 18967711966
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