Products

3.6–24kV, 50/60Hz three-phase AC

Certifications IEC 62271-200, IEC 694, GB3906, DIN VDE 0670

Huajidian Durable 11kV Medium Voltage Indoor VCB Switchgear Panel: This product is designed for use in 3.6–24kV, 50/60Hz three-phase AC single-busbar segmented power distribution systems. Located in Wenzhou, Zhejiang—known as China's "Electrical Capital"—the company serves as a reliable domestic electrical supplier. The product is developed and manufactured by a professional team, with the factory maintaining strict control over the entire production process. Compliant with both national standards and international IEC specifications, the unit integrates power reception, distribution, control, protection, and monitoring functions. It offers compatibility with a wide range of mainstream domestic and international vacuum circuit breakers and holds ISO9001, CE, and numerous product patents. These units have been successfully deployed in industrial and mining facilities, power stations, and power distribution modernization projects across both domestic and Latin American markets.

Huajidian’s 11kV Outdoor LV and MV VCB Panels represent a new generation of core equipment for medium-to-high voltage power distribution. Designed and manufactured in strict compliance with the GB3906 national standard, these products are tailored for use in 3-phase AC 50Hz indoor power distribution systems with a rated voltage of 12kV. As a specialized supplier, the brand has dedicated years to mastering this product category. Leveraging a design featuring modular cabinetry, "Five-Prevention" interlocking mechanisms, pressure-relief protection, and withdrawable vacuum circuit breaker structures, these units offer exceptional safety and reliability while adapting to a wide range of operating conditions. We provide comprehensive, one-stop services—spanning site surveys, customization, installation, commissioning, and full lifecycle support—with products successfully deployed across diverse projects including power grids, industrial and mining facilities, new energy sectors, and commercial infrastructure.

The Huajidian 24kV Medium Voltage lv and mv Switchgear is a high-performance Air-Insulated Switchgear (AIS) specifically developed and manufactured for medium-voltage power distribution systems. As a specialized factory dedicated to high- and low-voltage power distribution equipment, Huajidian strictly adheres to globally recognized standards throughout its design and manufacturing processes. Equipped with vacuum circuit breakers, the unit features a compact modular structure and advanced safety interlocking technology. It is compatible with voltage levels ranging from 13.8kV to 24kV and supports dual-frequency power systems (50Hz/60Hz), making it widely applicable across industrial production, municipal utilities, and power grid systems for power reception, distribution, control, monitoring, and protection functions. With its strong environmental adaptability, ease of maintenance, and high scalability, this product offers reliable solutions for a diverse range of medium-voltage distribution projects—both domestically and internationally—establishing Huajidian as a premier supplier of power equipment in the global distribution sector.

The Huajidian KYN28-12 Medium Voltage Vacuum Switchgear is a high-performance Air-Insulated Switchgear (AIS) system, independently developed and manufactured in-house by our specialized facility. Designed for 3.6kV–12kV, three-phase AC 50/60Hz power systems, it serves as an indoor, metal-clad, withdrawable power distribution unit, supporting both single-busbar and sectionalized single-busbar power supply configurations. Utilizing vacuum arc-extinguishing technology, the product integrates comprehensive functions for power reception, distribution, control, monitoring, and complete protection. Thanks to its reliable mechanical interlocking structure, flexible installation options, and adherence to rigorous quality standards, it offers distinct advantages such as high safety levels, strong environmental adaptability, and low operation and maintenance (O&M) costs. As a trusted supplier in the medium-voltage electrical industry, Huajidian provides global clients with both standardized and customized switchgear products, along with full-lifecycle technical support services.

A stable power supply serves as the fundamental bedrock for urban utility grids, industrial and mining projects, and major public infrastructure. This article provides a detailed technical overview of Huajidian’s proprietary 33kV SF6 GIS Gas-Insulated Switchgear. As a core component of medium-voltage distribution systems, this equipment is engineered in strict compliance with the GB3906 and IEC298 international standards. It integrates SF6 sealed gas insulation, armored metal enclosures, and a "Five-Prevention" mechanical interlocking design—balancing operational safety, structural compactness, and intelligent expandability. As a specialized manufacturer of power equipment, Huajidian manages the entire product lifecycle, encompassing R&D, mass production, and performance testing; consequently, this equipment has been successfully deployed across China in urban distribution networks, rail transit systems, mining zones, industrial parks, and commercial complexes.