With decades of expertise, Fenarro delivers advanced circuit breakers, load switches, fuses, and surge arresters built to IEC & GB standards. Trusted worldwide for safe and stable power protection.
From industrial plants to renewable energy projects, Fenarro provides reliable high-voltage protection devices designed for performance, safety, and long-term stability. One partner, multiple solutions.
Every Fenarro product is engineered to meet IEC and GB certifications, ensuring maximum safety and efficiency. Combining innovative design with proven reliability, we power the grids of tomorrow.
Fenarro has been committed to providing safe, efficient and convenient solutions for power systems since 2009, specializing in the production of photovoltaic and electrical components.
Our products are widely used in solar, wind, thermal, and hydroelectric power plants, as well as substations, farms, villas, and other fields.
Our Products Are Reliable And Durable, Backed By Years Of Experience
90% of our products are exported worldwide. With our hard-won reputation for honesty, reliability, and quality, Fenarro aims to continue as a pioneer in sales
Our Lightning Arrester Matching Products provide comprehensive solutions for protecting power systems from overvoltage and ensuring stable operation. The series includes TLB Thermal Explosive Disconnectors, Lightning Arrester Counters with Online Monitoring, and a wide range of Surge Arresters designed for substations and distribution networks. These products are developed according to IEC and GB standards, ensuring superior safety, reliability, and performance.
The High Voltage High Breaking Capacity Fuse is a newly developed protective device designed by our company based on extensive research and integration of domestic and international technologies. This high-quality product represents the world’s leading level of performance and reliability. It is specifically engineered to provide efficient fault protection for power distribution systems, ensuring safe and stable operation.
The drop-out fuse cutout is a widely used protective device in medium and high-voltage distribution networks. It is designed to protect transformers, distribution lines, and electrical equipment from overloads and short circuits. When a fault occurs, the fuse melts and the fuse holder drops out, providing a visible disconnection point that ensures safety and easy fault identification.
The ZCW10-40.5/T600-31.5 Open-Type Combined Electrical Apparatus is a high-performance assembly unit that uses air as external insulation and SF6 gas as the arc-extinguishing medium. It is designed for 40.5kV three-phase AC power systems to provide control, protection, and connection functions. This apparatus is particularly suitable for use in urban substations, enterprise substations, and mountainous power stations where land resources are limited.
This isolating vacuum load break switch is designed with segmentation, isolation, connection, and switching functions to meet the needs of modern distribution networks. It provides high breaking capacity, safe and reliable operation, long electrical life, frequent operation capability, and minimal maintenance requirements, making it a reliable choice for stable and continuous power supply.
The FKW18 series outdoor AC high voltage load break switch adopts advanced arc-quenching technology and a simple, durable design. Suitable for 12–40.5kV, 50Hz three-phase AC systems, it ensures reliable load breaking, isolation, and protection for substations, industrial networks, and rural grids.
The FZW32-12 and FZW32-40.5 outdoor high voltage isolating vacuum load break switches are designed for 12kV and 40.5kV, 50Hz three-phase AC distribution networks. With reliable vacuum interruption, strong insulation, and compact design, they are ideal for substations, industrial power distribution, and rural grids.
The FZW28-12F/(VSP5) outdoor vacuum load break switch is designed for 12kV, 50Hz three-phase AC power distribution systems. It is widely used in substations, industrial enterprises, and urban & rural power grids, ensuring safe and reliable load breaking and fault isolation.
The ZN85-40.5 Indoor High Voltage Vacuum Circuit Breaker (VCB) is designed for three-phase AC 50Hz power systems with a rated voltage of 40.5kV. It is widely used in industrial enterprises, power plants, and substations for switching load currents and fault currents.
This breaker adopts a vertical arrangement of the breaker unit and operating mechanism, effectively reducing its installation depth and improving space utilization.
The ZN(VS1)-24/40.5 Indoor High Voltage Vacuum Circuit Breaker (hereinafter referred to as the circuit breaker) is a three-phase AC 50Hz switchgear device with rated voltages of 24kV and 40.5kV. It is used for protecting and controlling power equipment in grids, industrial enterprises, and mining operations. With advanced vacuum arc-extinguishing technology and a compact integrated operating mechanism, the breaker delivers high reliability, long service life, and minimal maintenance needs.
The ZN-27.5 Indoor Electrified Railway Vacuum Circuit Breaker (hereinafter referred to as the circuit breaker) is a specialized single-phase AC 50Hz indoor distribution device. It is designed for 27.5kV railway power systems to ensure reliable control, protection, and fault isolation in electrified railway networks.
The ZN23-40.5 Indoor High Voltage Vacuum Circuit Breaker (hereinafter referred to as the circuit breaker) is a high-performance indoor electrical device designed for 40.5kV three-phase AC power systems (50Hz). It provides safe, reliable, and efficient protection and control for industrial power distribution networks.
The VBP-12M Indoor High Voltage Permanent Magnet Vacuum Circuit Breaker (hereinafter referred to as the circuit breaker) is designed for 12kV indoor power systems, providing reliable protection and control for power grids, industrial facilities, and mining enterprises.
The ZW10-12XDG Outdoor High Voltage Dual Power Automatic Transfer Switchgear is a new-generation intelligent switching device that integrates a high-voltage vacuum circuit breaker with an advanced intelligent controller. It is specially designed for dual power supply systems, ensuring continuous and safe power supply by automatically switching between two independent 12kV power sources.
The ZW7(ZW37A/ZW17)-40.5 Outdoor High Voltage Vacuum Circuit Breaker is designed for 40.5kV, 50Hz three-phase AC systems. It is mainly used for switching and protecting power distribution networks, capable of interrupting load current, overload current, and short-circuit current with high reliability and safety.
The AMZ-3S-12 Outdoor High Voltage Three-Phase Permanent Magnet Vacuum Circuit Breaker is a newly developed smart switching device that integrates advanced domestic and international technologies with modern design concepts. It is engineered for reliable switching, control, and protection in medium-voltage power distribution systems, offering high performance, compact design, and intelligent functionality.
The ZW32-40.5 Intelligent Outdoor High Voltage Vacuum Circuit Breaker is a next-generation smart switching device designed for reliable protection and control of 40.5kV medium-voltage power distribution networks. Featuring a solid-sealed pole design and a highly reliable operating mechanism, it ensures stable performance, compact size, and zero maintenance throughout its service life.
The ZW32L-12 Outdoor High Voltage Zero-Sequence Intelligent Vacuum Circuit Breaker (referred to as zero-sequence intelligent breaker) is a high-performance distribution device designed for 12kV, 50Hz three-phase AC systems. It integrates advanced zero-sequence fault detection with reliable vacuum arc extinguishing technology, providing efficient switching, protection, and control for modern power networks.
The ZW32-12M Outdoor High Voltage Permanent Magnet Vacuum Circuit Breaker is a next-generation power distribution device designed for modern urban and rural electrical networks. Featuring permanent magnet operating technology, compact design, and reliable performance, this breaker provides excellent protection and control for 12kV distribution systems.
ZW32-12F outdoor intelligent boundary vacuum circuit breaker (Watchdog) is specially designed for 12kV overhead distribution lines. It integrates vacuum arc extinguishing technology, advanced sealing structure, and intelligent control functions. With its reliable breaking performance and fault isolation capability, it helps enhance the safety and automation of modern distribution networks.
Fenarro has a professional research and development team consisting of over 30 technical engineers
Quality Control
Fenarro has over 40 professional testing equipment, 5 production lines, and 2 measurement centers
Quantity And Productivity
Fenarro has six workshops and nearly 230 well-trained employees, with the help of modern automated production lines
Our Service
By promptly addressing customer inquiries and concerns, we provide a quick response during the pre-sales period to secure the orders and achieve success in the B2B realm
This article analyzes the key trends shaping the high-voltage switchgear market in 2025 — including grid modernisation, renewable integration, SF₆-free technology and digital asset management. It provides guidance for purchasers in substations, utilities and industrial plants on how to align their specification and procurement strategy with these trends.
SF6 circuit breakers are vital for ensuring stability and reliability in high-voltage networks, and Fenarro leads the way in both performance and eco-compliance.
This article explains the essentials of high voltage switchgear, including its types, working functions, and international standards that guarantee safe and stable power transmission.
Fenarro’s outdoor high-voltage isolating switches and vacuum circuit breakers are being installed at a power plant in Vietnam in 2018. The safety and convenience of our equipment have been unanimously recognized by the construction team.
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