I. Overview:
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. 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.
II. Environmental conditions for use
1. Altitude: ≤ 2000m and below;
2. Surrounding air temperature: upper limit+30 ℃, lower limit -40 ℃;
3. The wind pressure shall not exceed 700Pa (equivalent to a wind speed of 34m/s);
4. Amplitude: impermanent and intense 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 Outdoor High Voltage Vacuum circuit breaker for Reliable Medium Voltage Power Distribution
At Jihui Electric Group Co., Ltd., we specialize in the research, development, manufacturing, sales, and service of medium and low voltage power transmission and distribution equipment up to 35kV. With years of experience in the electrical industry, we provide reliable solutions for power utilities, industrial companies, renewable energy projects, infrastructure construction, and commercial power systems.
Our ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker is one of our important products designed for modern outdoor medium voltage distribution networks. It combines advanced vacuum interruption technology, strong insulation performance, and a compact outdoor structure to provide safe and stable protection for electrical systems.
As a professional outdoor high voltage Vacuum Circuit Breaker Manufacturer, we understand that power distribution equipment must work reliably in different environments. Whether the application is a utility distribution line, industrial power network, or renewable energy project, our goal is to provide equipment that customers can trust for long-term operation.
The ZW32-12 Series is designed for 12kV outdoor power distribution systems. It is commonly used for controlling and protecting overhead lines, transformers, cables, and other electrical equipment. With excellent breaking performance and convenient operation, this vacuum circuit breaker helps improve power supply reliability while reducing maintenance requirements.
The ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker is a medium voltage switching device developed for outdoor applications. It is mainly used in AC power systems with rated voltage up to 12kV and provides reliable protection against abnormal conditions such as overload and short circuit.
Unlike traditional circuit breakers that use oil as an arc extinguishing medium, the ZW32-12 uses vacuum interruption technology. When a fault occurs, the internal contacts separate quickly, and the vacuum chamber extinguishes the electrical arc efficiently.
This design provides several advantages:
Fast fault interruption
Reliable electrical protection
Low maintenance requirement
Long mechanical service life
Strong environmental adaptability
Suitable for outdoor distribution networks
The outdoor structure of the ZW32-12 vacuum circuit breaker allows it to operate under different weather conditions. The enclosure is designed to protect internal components from dust, moisture, and outdoor environmental factors.
For customers looking for a reliable 12kV outdoor vacuum circuit breaker, the ZW32-12 provides a practical solution for improving the safety and efficiency of medium voltage power systems.
At Jihui Electric, we believe that electrical equipment should be built with both technology and practical experience. Our factory focuses on producing medium and low voltage power equipment that meets the needs of real-world applications.
Our main product range includes:
Ring main units
Gas insulated switchgear
Combination transformers
Vacuum circuit breakers
With professional engineering teams and production facilities, we support customers from product selection to final delivery. We work closely with power companies, engineering contractors, equipment integrators, renewable energy developers, and industrial users.
Our company has obtained:
ISO9001 Quality Management System Certification
ISO14001 Environmental Management System Certification
ISO45001 Occupational Health and Safety Management System Certification
These certifications support our commitment to stable production, environmental responsibility, and safe manufacturing practices.
When customers choose our ZW32-12 Outdoor Vacuum Circuit Breaker, they receive not only a product but also our engineering experience, quality control process, and professional service support.
The working principle of our ZW32-12 vacuum circuit breaker is based on vacuum arc extinguishing technology. The process is simple but highly effective.
During normal operation, electrical current flows through the closed contacts inside the breaker. When the protection system detects an abnormal electrical condition, it sends a signal to the operating mechanism.
The operating mechanism quickly separates the contacts. At the moment of separation, an electrical arc is generated. Because the contacts are located inside a vacuum interrupter, there are very few particles available to maintain the arc.
The arc disappears quickly, allowing the circuit to be safely disconnected. This protects downstream electrical equipment and improves the overall reliability of the power network.
| Operation Stage | Description | System Benefit |
|---|---|---|
| Normal Operation | Contacts remain closed and transfer electrical energy | Stable power supply |
| Fault Detection | Protection device sends opening signal | Quick response to abnormal conditions |
| Vacuum Interruption | Vacuum chamber extinguishes electrical arc | Protects equipment safety |
| Recovery Operation | Breaker returns to service after inspection | Improves system availability |
Source: Working principle information is based on IEC 62271-100 High-voltage switchgear and controlgear standards and common vacuum circuit breaker technology practices.
The vacuum interrupter is the core component of our ZW32-12 circuit breaker. It provides reliable arc extinguishing performance and helps achieve fast fault interruption.
Because the interruption process happens inside a vacuum environment, the breaker does not need insulating oil. This reduces maintenance work and avoids problems related to oil leakage.
Outdoor electrical equipment must work under changing weather conditions. Our ZW32-12 vacuum circuit breaker is designed with a strong outdoor structure to improve resistance against moisture, dust, and temperature changes.
This makes it suitable for outdoor distribution systems where equipment reliability is especially important.
The main purpose of a circuit breaker is to protect electrical equipment. Our ZW32-12 provides dependable switching and fault interruption functions for medium voltage networks.
It helps protect:
Distribution transformers
Overhead power lines
Cables
Industrial electrical equipment
Renewable energy collection systems
Space and installation efficiency are important considerations in outdoor power projects. The compact structure of the ZW32-12 allows easier installation on poles or outdoor distribution systems.
Its practical design helps engineers reduce installation difficulty and improve project efficiency.
We design our products for long-term operation. The vacuum interruption system reduces mechanical wear and helps extend equipment service life.
For customers, this means fewer maintenance requirements and lower operating costs during the product lifecycle.
At Jihui Electric, our engineers focus on improving product reliability through practical design. The ZW32-12 series combines electrical performance, mechanical strength, and environmental adaptability.
The ZW32-12 outdoor high voltage vacuum circuit breaker provides stable insulation performance and reliable switching operation. This allows it to meet the requirements of modern medium voltage distribution systems.
Stable electrical performance helps reduce unexpected power interruptions and improves network reliability.
Modern power networks are becoming more intelligent. Distribution equipment needs to support automation and remote operation requirements.
The ZW32-12 series can be integrated into smart grid systems according to project requirements, helping improve power management efficiency.
The mechanical structure of a circuit breaker directly affects its service life. Our product design focuses on accurate operation, durable components, and stable switching performance.
Different circuit breaker technologies have different characteristics. Based on industry experience, vacuum circuit breakers provide a good balance between safety, reliability, and maintenance cost.
| Comparison Item | ZW32-12 Vacuum Circuit Breaker | Oil Circuit Breaker |
|---|---|---|
| Arc Extinguishing Method | Vacuum interruption | Oil interruption |
| Outdoor Application | Designed for outdoor environments | Requires additional protection |
| Maintenance Requirement | Low maintenance | Higher maintenance needs |
| Environmental Impact | No oil leakage risk | Possible oil pollution risk |
Source: Comparison data summarized from IEC 62271-100 standards and general Medium Voltage Electrical Equipment technical references.
Outdoor power distribution systems require equipment that can operate safely for many years. Vacuum technology provides a cleaner and more reliable solution compared with traditional interruption methods.
For utility companies and industrial users, the advantages include:
Reliable fault protection
Reduced maintenance workload
Better environmental performance
Long operating life
Improved power supply stability
Our ZW32-12 outdoor high voltage vacuum circuit breaker is developed to meet these practical requirements and support safer electricity distribution.
At Jihui Electric Group, we design our electrical equipment based on real application requirements. Different industries have different challenges, but reliable power protection is always essential. Our ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker provides stable switching and protection performance for various outdoor medium voltage power systems.
With its compact structure, reliable vacuum interruption technology, and strong environmental adaptability, the ZW32-12 series is widely used in power distribution networks, industrial facilities, renewable energy projects, and infrastructure applications.
Power utilities require equipment that can operate continuously in outdoor environments. Distribution lines often face challenges such as weather changes, electrical faults, and increasing electricity demand.
Our 12kV outdoor vacuum circuit breaker is commonly installed in overhead distribution systems and outdoor substations. It helps isolate faults quickly and protects transformers, feeders, and other electrical equipment.
By improving fault response speed and reducing maintenance requirements, the ZW32-12 helps power companies achieve more reliable electricity supply.
Renewable energy projects such as solar farms and wind power plants require reliable medium voltage equipment to connect generated electricity to the grid.
The ZW32-12 outdoor high voltage vacuum circuit breaker can be used in renewable energy collection systems and transformer protection applications. Its stable performance supports safe energy transmission and improves project operation efficiency.
Factories and industrial plants usually operate motors, production equipment, and automated systems that require stable power supply. Unexpected electrical failures may interrupt production and increase operating costs.
Our outdoor vacuum circuit breaker provides reliable protection for industrial power distribution systems. It helps reduce the risk of equipment damage caused by short circuits and abnormal current conditions.
Modern cities depend on stable electrical systems for transportation, communication, commercial buildings, and public services.
The compact and durable design of the ZW32-12 makes it suitable for outdoor distribution applications in urban infrastructure projects where reliability and easy maintenance are important.
Mining operations and heavy industries often require electrical equipment that can work under demanding conditions. Power interruptions may affect production safety and operational efficiency.
Our high voltage vacuum circuit breaker provides dependable protection and switching control for these applications, helping customers maintain safer electrical systems.
At Jihui Electric, we believe that product quality starts from the manufacturing process. Every ZW32-12 vacuum circuit breaker goes through careful design, component selection, assembly, and testing before delivery.
Our production team combines advanced manufacturing equipment with professional experience to ensure every product meets customer requirements.
Before production, our engineers analyze electrical requirements, outdoor installation conditions, and customer project specifications.
The product design focuses on:
Reliable vacuum interruption performance
Strong outdoor protection capability
Stable mechanical operation
Easy installation and maintenance
Long service life
Through continuous improvement, we develop vacuum circuit breakers suitable for different medium voltage applications.
High-quality materials are essential for reliable electrical equipment. We carefully select insulation materials, conductive parts, mechanical components, and protective structures.
The vacuum interrupter, operating mechanism, and external enclosure are manufactured according to strict technical requirements.
For outdoor applications, we pay special attention to weather resistance and mechanical durability to ensure stable operation in different environments.
During assembly, our technicians follow standardized procedures to ensure each component works correctly.
The operating mechanism, contact system, insulation structure, and control components are carefully adjusted and inspected before entering the testing stage.
Before delivery, every ZW32-12 outdoor vacuum circuit breaker receives complete factory inspection. We test electrical performance, mechanical operation, insulation capability, and product appearance.
| Testing Item | Purpose | Inspection Method |
|---|---|---|
| High Voltage Withstand Test | Verify insulation safety | Electrical performance testing |
| Mechanical Operation Test | Check opening and closing reliability | Repeated operation inspection |
| Breaking Performance Test | Confirm fault interruption capability | Factory technical testing |
| Outdoor Protection Inspection | Check enclosure reliability | Structure and appearance inspection |
Source: Testing procedures are based on IEC 62271-100 high-voltage switchgear standards and Jihui Electric internal quality management procedures.
For power distribution equipment, quality is directly related to system safety. At Jihui Electric, we control quality throughout the entire manufacturing process.
Our quality management system includes:
Raw material inspection
Production process control
Component testing
Performance verification
Final factory inspection
We have obtained internationally recognized management certifications:
ISO9001 Quality Management System Certification
ISO14001 Environmental Management System Certification
ISO45001 Occupational Health and Safety Management System Certification
These certifications reflect our commitment to manufacturing reliable electrical products while maintaining responsible production practices.
Jihui Electric Group specializes in medium and low voltage power transmission and distribution equipment up to 35kV. Our experience covers product development, manufacturing, testing, and international service.
We provide:
Vacuum circuit breakers
Ring main units
Prefabricated substations
Combination transformers
SF6 load switches
Cable distribution equipment
Our engineering experience allows us to understand the requirements of power companies, contractors, and industrial customers.
Each electrical project has unique requirements. Some customers need standard products, while others require customized configurations.
Our engineering team supports customers with:
Technical consultation
Product selection
Project specification review
Customized production support
We work closely with customers to provide suitable solutions based on voltage level, installation environment, and operating requirements.
As an international supplier, we provide professional service from inquiry to delivery.
Our service includes:
Technical communication
Production scheduling
Quality inspection
Export documentation support
Transportation arrangement
According to product specifications and destination, we select suitable transportation methods including sea freight, land transportation, and combined logistics solutions.
Electrical equipment requires careful protection during transportation. We use professional packaging methods to prevent damage caused by moisture, vibration, and impact.
Our packaging process includes:
Moisture protection
Shock protection
Secure fixing
Long-distance transport preparation
The ZW32-12 is mainly used for 12kV outdoor medium voltage power distribution systems. It provides electrical control and protection for overhead lines, transformers, and other equipment.
Vacuum circuit breakers provide fast fault interruption, reliable operation, low maintenance requirements, and long service life compared with many traditional switching technologies.
Yes. The ZW32-12 is designed for outdoor applications with a protective structure that helps it operate under different weather conditions.
Yes. According to project requirements, the product can support automation and smart distribution network applications.
Yes. We provide customized solutions based on customer technical requirements, project conditions, and application environments.
At Jihui Electric Group, our goal is to provide safe, reliable, and efficient power distribution equipment for customers worldwide.
The ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker combines advanced vacuum interruption technology, strong outdoor adaptability, reliable protection performance, and professional manufacturing quality.
For power utilities, renewable energy developers, industrial companies, and infrastructure projects, choosing the right circuit breaker is essential for building a stable electrical system.
With our experience in medium voltage equipment manufacturing and international service, we are ready to provide reliable solutions for your power distribution needs.
If you are looking for a professional ZW32-12 outdoor high voltage vacuum circuit breaker manufacturer, 12kV outdoor vacuum circuit breaker supplier, or medium voltage power distribution equipment provider, Jihui Electric is your trusted partner for reliable electrical solutions.
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
Copyright © JiHui Electric Group Co., Ltd All rights reserved
SitemapThis website uses cookies to ensure you get the best experience on our website.
Español
Portugues
Pусский
Français
Deutsch
日本語
한국어
العربية
Italiano
Nederlands
Svenska
Polski
ไทย
Türk dili
हिन्दी
Indonesia
Tiếng Việt
עִברִית
čeština
Phone