Products
Professional Indoor High Voltage Breaker Switch Manufacturer
The Usune Indoor High Voltage Breaker Switch is independently developed and manufactured by Zhejiang Usune Electric Co., Ltd., a professional high-voltage power transmission and distribution equipment manufacturer in China. As a core control and protection device for 10KV, 20KV, and 36KV power systems, it can be used in conjunction with power transformers and features stable breaking performance, high safety, low maintenance, and long service life. This product is manufactured in our factory according to strict industrial standards and is widely used in power transmission and distribution, industrial production, and new energy power generation.
Core Working Principle
The indoor high-voltage breaker switch uses an electromagnetic mechanism and arc-extinguishing system as its core. It relies on electromagnetic drive to complete the switching action, quickly interrupts fault current through a professional arc-extinguishing medium and structure, and achieves electrical isolation and voltage matching through a high-performance insulation system. Working with power transformers, it completes the step-up and step-down power supply, ensuring the stable and safe operation of the entire power system.
Main Application Scenarios
1. Power Transmission and Distribution Systems
Supporting substation transmission and distribution transformers to achieve 10KV-36KV power grid line control and fault protection;
2. Industrial Production
Providing power to equipment in factories, mines, and smelting plants, matching the voltage and current requirements of large motors to prevent equipment damage;
3. Urban and Rural Power Supply
Used in community power distribution rooms, working with step-down transformers to provide safe low-voltage power to residents and shops;
4. New Energy Power Generation
Used in wind farms and photovoltaic power stations, working with new energy unit transformers to complete renewable energy grid connection control;
5. Commercial and Infrastructure
Deployed in airports, data centers, high-rise buildings, etc., ensuring reliable power supply to critical facilities.
Core Functions
1. Circuit Switching
Working with transformers to complete power distribution scheduling, achieving normal switching of high-voltage circuits;
2. Fault Protection
Automatic tripping in case of short circuits or overloads, protecting equipment and line safety;
3. Voltage and Current Matching
Improving power transmission and distribution efficiency, adapting to different circuit requirements;
4. Electrical Isolation
Providing safety assurance for equipment maintenance and reducing electromagnetic interference.
Key Features
1. High Operating Efficiency
Matching power system efficiency ≥98%; no easily damaged rotating parts, long service life;
2. Stable and Reliable Performance
Precise voltage regulation, sensitive fault response, stable operation, low failure rate, and easy maintenance;
3. Compact Indoor Structure
Compact indoor design, small footprint, convenient installation and commissioning;
4. Wide Compatibility
Compatible with various specifications of oil-immersed, dry-type, single-phase, and three-phase power transformers.
Practical Application Cases
Case 1: New Energy Photovoltaic Power Station Project
A 35KV photovoltaic power station in East China adopted the Usune 36KV Indoor high voltage breaker switch, equipped with a three-phase oil-immersed power transformer, to undertake the grid connection and circuit protection tasks of the photovoltaic units, effectively solving the problem of current fluctuation in new energy power generation. It operated without faulty tripping for two years, significantly reducing line losses and improving the overall power generation efficiency of the station.
Case 2: Urban Data Center Power Distribution Project
A large urban data center uses Usune 10KV indoor high-voltage circuit breakers, along with indoor distribution transformers, to construct an independent high-voltage power distribution system. This provides comprehensive protection for the server power supply circuits, ensuring uninterrupted power supply to the data center 24/7 and preventing business losses due to power outages.
FAQ
Q1: What voltage levels does the Usune Indoor high voltage breaker switch support?
A1: It covers mainstream medium- and high-voltage specifications of 10KV, 20KV, and 36KV, perfectly matching power transformers of the same voltage level. Custom parameter adjustments are supported according to project requirements.
Q2: What is the service life and daily maintenance requirements of this circuit breaker switch?
A2: It uses high-quality silicon steel sheets, copper windings, and high-strength insulation materials. With no rotating, easily damaged parts, its service life can reach over 20 years. Daily maintenance only requires periodic dust removal and contact condition checks; no complex maintenance is needed.
Q3: What types of power transformers is this circuit breaker switch primarily compatible with?
A3: Compatible with power transmission and distribution transformers, power distribution transformers, and generator transformers, it is widely used in indoor high-voltage power distribution scenarios such as substations, industrial parks, new energy power plants, residential communities, and data centers.
- View as
Vcb Vacuum Circuit Breaker
Usune VCB Vacuum Circuit Breaker is a core device for control and protection of medium and high voltage power systems, encompassing two main models: the GVS6-12 embedded pole type and the ZN63(VS1)-12 fixed/truck-mount type. The product employs solid insulation and epoxy sealing technology, addressing the pain points of traditional circuit breakers such as poor environmental tolerance and heat dissipation difficulties, achieving maintenance-free operation throughout its entire lifecycle. As a professional manufacturer deeply rooted in the power equipment field, Usune leverages China's comprehensive power industry chain to create highly reliable products that meet international standards, widely used in industrial mines, power plants, and other scenarios. Simultaneously, with its mature supply chain, Usune has become a trusted supplier for global customers.
Vs1 Vacuum Circuit Breaker
The Usune Vs1 Vacuum Circuit Breaker is a core product independently developed and manufactured by Usune, a professional high-voltage electrical equipment manufacturer in China. As a landmark advancement in vacuum circuit breaker technology, this series follows the three generations of pole insulation technology evolution (air insulation, composite insulation, and solid-sealed insulation), ultimately adopting the third-generation solid-sealed pole technology. The arc-extinguishing chamber and upper and lower outgoing terminals are encapsulated in epoxy resin using the APG process, resulting in excellent environmental adaptability, stable electrical performance, and a compact structure.
Indoor High Voltage Vacuum Circuit Breaker
The Usune Indoor High Voltage Vacuum Circuit Breaker VCB VS1-12 series is a three-phase AC 50Hz/60Hz, 12kV indoor switchgear circuit breaker independently developed and manufactured by Usune, a professional manufacturer in China. As a reliable power distribution equipment supplier, Usune incorporates advanced vacuum arc-extinguishing technology and an integrated structural design into this product. It is mainly used for the control and protection of electrical facilities in industrial enterprises, power plants, and substations, and is particularly suitable for scenarios requiring frequent operation. The product conforms to authoritative international and domestic standards, achieving miniaturization, high reliability, and maintenance-free operation. It can be flexibly configured as a fixed installation unit or a drawer unit to adapt to different application scenarios. Our factory undergoes rigorous quality testing to ensure that every delivered product meets the highest technical requirements.
12 11kv Indoor Vcb Vacuum Circuit Breaker
The Usune VS-12 (VEP-12) series of fixed and drawer-type indoor high-voltage 12 11kv Indoor Vcb Vacuum Circuit Breakers are innovative high-voltage electrical equipment independently developed and manufactured by Usune, a professional manufacturer with a mature factory in China. This series adopts third-generation solid-sealed insulation technology, overcoming the shortcomings of traditional air insulation and composite insulation, significantly improving equipment stability, weather resistance, and service life. It has become a reliable supplier choice for medium-voltage power distribution systems in industrial and mining enterprises, power plants, and municipal facilities, providing safe, efficient, and stable power protection for various electrical systems.
Lateral Type Vacuum Circuit Breaker
Usune Lateral Type Vacuum Circuit Breaker (including VS1(ZN63)-12 and VS1-24 series) is a high-performance indoor high-voltage switchgear independently developed and manufactured by Usune, a professional manufacturer in China. It is suitable for three-phase power systems with rated voltages of 12KV, 24KV, and 36KV and frequencies of 50Hz/60Hz, serving as a core protection and control device. As a trusted supplier, Usune is committed to providing high-quality electrical equipment and professional technical support to users worldwide. Its factories undergo rigorous quality testing to ensure that every product meets design and technical requirements.
33kv Indoor Vcb Vacuum Circuit Breaker
The Usune ZN85C-40.5 33kV Indoor Vcb Vacuum Circuit Breaker (hereinafter referred to as the circuit breaker) is an upgraded fixed side-mounted indoor high-voltage switchgear, specifically developed for 50Hz three-phase AC power systems with a rated voltage of 40.5kV (33kV application level). The product adopts a dedicated modular spring operating mechanism and a high-performance vacuum interrupter, integrating reliable control, rapid fault protection, stable frequent operation, and compact side-mounted integration. It is widely used in power distribution control, overload protection, short-circuit fault interruption, and long-term stable operation in industrial and mining enterprises, power plants, urban and rural substations, and industrial substations. As a professional manufacturer rooted in China, Usune's products have been validated in numerous actual power distribution scenarios thanks to their standardized design, stable quality, and comprehensive supporting performance. As a reliable supplier, Usune can provide efficient supporting solutions and achieve stable batch delivery through advanced production facilities.
Usune is a professional Indoor High Voltage Breaker Switch manufacturer and supplier in China. We have an experienced sales team, professional technicians, and an after-sales service team.
