Products
Quality Air Insulated Switchgear Manufacturer
Zhejiang Usune Electric Co., Ltd. is a professional manufacturer specializing in medium and high voltage switchgear equipment. Its core products cover 12kV, 24kV, and 36kV air insulated switchgear, with the KYN28-12 armored removable medium-voltage switchgear being its flagship indoor high-voltage power distribution unit.
This cabinet is specifically designed for 12kV and 24kV power distribution systems, equipped with a centrally located vacuum circuit breaker. It can accommodate self-developed VS1-12 and VS1-24 circuit breakers, while also being compatible with mainstream international brands such as ABB VD4 and Schneider HVX. The entire unit adopts a fully enclosed, compartmentalized structure with clear functional zoning. It integrates high safety, compact layout, stable performance, and convenient operation and maintenance, making it a standard core equipment for power receiving and distribution in modern power systems.
Core Structure and Technical Features
The Usune KYN28 series air insulated switchgear is an indoor armored removable switchgear. Unlike ordinary switchgear, this product uses a fully enclosed layout to physically isolate each functional unit, effectively reducing the risk of fault propagation.
1. Withdrawable Circuit Breaker Trolley
Equipped with a centrally located withdrawable circuit breaker trolley, supporting rapid removal and replacement.
2. Five-Proof Interlocking System
Standard configuration includes a comprehensive five-proof interlocking device to prevent misoperation.
3. Vacuum Arc-Extinguishing Technology
Employs vacuum arc-extinguishing technology, eliminating the risk of open flame during opening and closing.
4. High-Protection-Level Cabinet
High-protection-level cabinet with excellent dustproof and electric shock protection.
5. Stable Insulation Performance
Stable insulation performance, suitable for complex and harsh operating environments.
Main Product Advantages
1. High Operational Safety
Armored full-compartment structure, strong fault isolation capability, and higher operational safety.
2. Convenient Maintenance
Centrally located withdrawable circuit breaker design, significantly simplifying daily inspection, maintenance, and parts replacement.
3. Compact Layout
Compact overall layout, small footprint, effectively saving site space and infrastructure costs.
4. Reliable Interlocking Protection
Standard configuration includes a five-proof interlocking system, preventing accidental opening and closing operations from the outset.
5. Excellent Protection Level
Reliable protection level, effectively protecting equipment and personnel from electric shock and dust corrosion.
6. Safe Vacuum Arc-Extinguishing Method
Vacuum arc-extinguishing method, safe and fireproof, suitable for frequent opening and closing scenarios.
7. Strong Environmental Adaptability
Stable insulation performance, capable of long-term reliable operation under harsh conditions.
8. Easy Installation and Commissioning
Simple on-site installation and commissioning, shortening project construction cycle.
9. Low Maintenance Cost
Low maintenance frequency and cost, long service life of electrical components.
10. Wide Application Adaptability
Wide adaptability, applicable to various medium-voltage power distribution scenarios.
Application Scope and Actual Project Cases
Usuni air insulated switchgear is widely used in power plants, power grid substations, industrial and mining enterprises, commercial complexes, and residential communities, undertaking functions such as power receiving, power distribution, overload protection, and line control.
FAQ
Q1: What voltage levels does Usuni air insulated switchgear cover?
A1: The products mainly include 12kV, 24kV, and 36kV specifications. The mainstream KYN28-12 model is widely used in 10kV~24kV urban and industrial power distribution systems, covering most conventional medium-voltage power supply scenarios.
Q2: Is the KYN28 cabinet compatible with international brand circuit breakers?
A2: Yes. The equipment can be equipped with the self-developed VS1 series vacuum circuit breakers, and is also perfectly compatible with mainstream international circuit breaker models such as ABB VD4 and Schneider HVX, allowing users to flexibly select the right configuration.
Q3: What scenarios is this air insulated switchgear suitable for?
A3: Primarily for indoor use, suitable for power plants, substations, factories, commercial buildings, and residential communities. It is responsible for power receiving, distribution, overload and short-circuit protection, and line switching control, and is a core piece of equipment in medium-voltage power distribution networks.
Conclusion
The Usuni 12kV/24kV/36kV air insulated switchgear balances safety, economy, and practicality. With its mature structural design, comprehensive interlocking protection, and excellent environmental adaptability, it provides stable and reliable medium-voltage power distribution for power grids and industrial projects. Whether for new construction projects or the renovation of old power grids, the KYN28 series removable switchgear is a cost-effective and reliable power distribution solution.
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KYN28-12 Medium Voltage Vacuum Switchgear
Zhejiang Usune Electric Co., Ltd.'s KYN28-12 Medium Voltage Vacuum Switchgear (up to 24kV), an indoor metal-clad withdrawable medium-voltage vacuum switchgear for 50/60Hz three-phase AC systems, features reliable performance, safe operation, and convenient maintenance, conforming to IEC standards and ISO management system requirements. As a core product of a professional Chinese power equipment manufacturer, this switchgear is widely used in power plants, substations, industrial and mining enterprises, and high-rise buildings, undertaking the tasks of power reception, distribution, control, and protection. It is a trusted medium-voltage power distribution solution in the global market.
24kv Medium Voltage Lv and Mv Switchgear
The Usune 24kV Medium Voltage Lv And Mv Switchgear is designed for 3.6～12kV/24kV three-phase AC 50/60Hz power systems. It is a high-performance indoor armored withdrawable medium-voltage vacuum switchgear. The product integrates high reliability, operational safety, and ease of maintenance, conforming to IEC standards and ISO management systems. It adopts a five-compartment independent structure and a complete mechanical five-proof interlock, possessing excellent arc fault protection capabilities.
11kv Mv Vcb Panels
Usune 11kV MV Vcb Panels (core model KYN28A-12) are indoor metal-clad withdrawable medium-voltage vacuum switchgear, suitable for 3.6~12kV three-phase AC 50/60Hz power systems. As a core Usune product, it integrates reliability, safety, and ease of maintenance, conforming to IEC, GB, and other international and domestic standards, as well as the ISO management system. The product is widely used in various power distribution scenarios. With its core production base located in China, Usune is a trusted supplier and manufacturer's preferred solution in the global medium-voltage power distribution field.
Medium Voltage 11kv Indoor Vcb Panel
The Usune Medium Voltage 11kV Indoor Vcb Panel, developed based on the KYN28 series platform, is a high-performance indoor armored withdrawable medium-voltage vacuum switchgear suitable for 3.6～12kV/24kV three-phase AC 50/60Hz power systems. As a core Usune product, it integrates reliable performance, safe operation, and convenient maintenance, fully complying with IEC 62271-200 standards and ISO management system requirements. With its core manufacturing base located in China, Usune, as a trusted supplier and manufacturer, provides mature medium-voltage power distribution solutions to global users, widely used in power plants, substations, industrial and mining enterprises, and commercial buildings, undertaking the functions of power reception, distribution, control, and protection.
Kyn28 Switchgear 6kv
The Usune Kyn28 Switchgear 6kV is an indoor armored withdrawable metal-enclosed medium-voltage switchgear designed specifically for 3.6kV/12kV, 50/60Hz three-phase AC power systems. As a core product of Zhejiang Usune Electric, it integrates reliable performance, safe operation, and ease of maintenance, strictly adhering to international and domestic standards such as IEC 60298 and GB 3906, as well as the ISO quality management system. Our core production base is located in China, leveraging the technical expertise of our professional manufacturers to provide stable and high-quality supplier services and direct factory supply guarantees to global customers.
Kyn28 Switchgear 10kv
The Usune Kyn28 Switchgear 10kV is a high-performance indoor metal-clad withdrawable medium-voltage vacuum switchgear suitable for 3.6~12kV/24kV three-phase AC 50/60Hz power systems. As a core product of Zhejiang Usune Electric, it is safe, reliable, and easy to operate and maintain, conforming to IEC standards and ISO management systems. It is widely used in power plants, substations, industrial and mining enterprises, and high-rise buildings for the reception, distribution, control, and protection of electrical energy. Leveraging its core production base in China, Usune has become a globally trusted supplier of medium-voltage power distribution equipment.
Usune is a professional Air Insulated Switchgear manufacturer and supplier in China. We have an experienced sales team, professional technicians, and an after-sales service team.
