Products

The HUAJIDIAN GDW1-12/630-25 Indoor Earthing Switch is a high-performance outdoor single-phase isolating grounding device suitable for medium-voltage power distribution networks. Manufactured by a professional power equipment factory in China, this product utilizes high-quality insulated supports and conductive copper busbars, ensuring reliable insulation performance, stable current transmission, and excellent environmental adaptability. The device supports manual/12V/24V DC motor dual-mode operation, with a rated current of 630A and a short-time withstand current of up to 25kA. It can operate stably in harsh conditions such as low temperatures, icing, and high altitudes, making it a core component for power grid operation and maintenance safety. As a reliable power equipment supplier, HUAJIDIAN provides standardized, durable, and intelligent grounding switch solutions for global power grid projects.

The 12kV intelligent high-voltage isolation switch is independently developed and manufactured by HUAJIDIAN. Designed to complement ZW8-12 and ZW32-12 pole-mounted vacuum circuit breakers, it features a visible isolation gap, intelligent remote electric operation, position feedback, and optional live-line indication. It is suitable for 10kV overhead line retrofitting, sectionalizing/branching applications, and smart grid upgrades in both urban and rural areas. Compared to traditional manual isolation switches, it integrates seamlessly with distribution automation systems, significantly reducing on-site operational risks and enhancing power supply reliability.

HUAJIDIAN’s 33kV pole-mounted vacuum circuit breaker is hailed as the "watchdog controller" of the medium-voltage distribution network industry. It is a core intelligent boundary switchgear specifically developed for the automation of urban and rural power grids, power supply for industrial and mining enterprises, and protection of residential distribution lines. The product utilizes advanced vacuum arc-extinguishing technology and integrated protection logic, combining overcurrent protection, zero-sequence earth-fault protection, undervoltage tripping, and reclosing functions. It supports both manual and electric operation as well as multi-channel remote communication.

The HUAJIDIAN 24kV Pole-Mounted Vacuum Circuit Breaker is a high-performance, maintenance-free outdoor distribution device designed specifically for the protection and control of medium-voltage power grids. Covering a rated voltage range of 12kV to 40.5kV, the product utilizes advanced vacuum arc-extinguishing technology, offering exceptional short-circuit breaking capabilities, an extended mechanical lifespan, and superior environmental adaptability.

The HUAJIDIAN 11kV Pole-Mounted Vacuum Circuit Breaker is a new generation of intelligent outdoor power distribution equipment designed to meet the upgrade requirements of smart grids; it is suitable for 12kV, three-phase AC 50Hz outdoor distribution networks. Equipped with a highly stable permanent magnet operating mechanism, the product integrates protection, measurement, control, and multi-mode communication functions. It offers advantages such as long mechanical life, high short-circuit breaking capacity, broad environmental adaptability, maintenance-free operation, and intelligent remote control. Capable of effectively isolating faults and restoring power supply, it is widely used in urban and rural power grids as well as industrial and mining enterprises, making it a preferred core component for distribution network automation upgrades.

The HUAJIDIAN 11kV 630A Vacuum Circuit Breaker (VCB) is a core protection and control device developed specifically for 12kV, 50Hz three-phase AC power systems. Leveraging the mature R&D and manufacturing capabilities of a specialized factory, the product utilizes an epoxy resin solid-sealed insulation structure. It offers exceptional mechanical and electrical longevity and superior fault protection, making it suitable for complex operating conditions—such as high altitudes, high humidity, and frequent switching operations—and widely applicable in power grids, industrial and mining enterprises, and high-rise building distribution systems.