Medium VoltageSwitchgearManufacturer
Professional manufacturer of 12-24kV vacuum circuit breakers, SF6 load break switches, ring main units, and low voltage switchgear. Exported to 20+ countries worldwide.
Our Product Range
Complete medium and low voltage switchgear solutions for power distribution networks, substations, and industrial installations.
Vacuum Circuit Breakers
High-performance 12-24kV outdoor and indoor vacuum circuit breakers designed for power distribution networks. Spring-operated mechanism with 10,000+ mechanical operations life cycle.
Indoor Vacuum Circuit Breakers
Premium indoor medium voltage vacuum circuit breakers from 12kV to 40.5kV with up to 50,000 mechanical operations life. Cooper Edison technology.
Specialized Circuit Breakers
Purpose-built vacuum circuit breakers for capacitor bank switching and generator protection applications.
SF6 Circuit Breakers
SF6 gas-insulated circuit breakers for medium voltage applications. Superior arc extinguishing performance with SF6 gas, suitable for substations and industrial installations.
SF6 Load Break Switches
Outdoor SF6 gas-insulated load break switches for pole-mounted applications. Featuring vacuum arc chambers and intelligent boundary controllers for automated distribution network operation.
Ring Main Units (RMU)
SF6 gas-insulated compact ring main units for urban distribution networks. Modular design with multiple switch and fuse combinations for flexible network configurations.
Gas-Insulated Switchgear (GIS)
Metal-enclosed gas-insulated switchgear (C-GIS) for 12kV and 40.5kV. Compact, maintenance-free, eco-friendly options available.
Medium Voltage Switchgear
Complete range of AC metal-enclosed switchgear panels from 12kV to 40.5kV for power distribution, control, and monitoring.
Vacuum Contactors
Medium voltage vacuum contactors and contactor-fuse combinations for motor starting and capacitor bank switching.
Low Voltage Switchgear
Low voltage switchgear cabinets including draw-out type (GCS) and fixed type (GGD) for power distribution, motor control, and reactive power compensation.
Why Choose NAIJI Electric
Backed by over three decades of expertise in medium voltage switchgear manufacturing, we deliver reliable power distribution solutions worldwide.
35+ Years Experience
Established in 1991, with deep roots in China's power equipment manufacturing industry. Former Sino-Korean joint venture with international technology transfer.
Certified Quality
ISO 9001, ISO 14001, CE, and CCC certified. All products manufactured to IEC 62271 international standards with rigorous factory testing.
Global Reach
Exported to 20+ countries across Southeast Asia, Middle East, Africa, Latin America, and CIS countries. Supporting EPC contractors and utility companies worldwide.
OEM & Custom Solutions
Flexible OEM manufacturing with 250+ units monthly capacity. 30-day lead time on standard products. Custom configurations available for project-specific requirements.
Application Scenarios
Our switchgear solutions serve critical infrastructure across multiple sectors of the power industry.
Power Distribution
Pole-mounted VCB and load break switches for urban and rural overhead distribution networks.
Substations
Indoor VCB, ring main units, and low voltage switchgear for substation installations.
Renewable Energy
Grid connection switchgear for wind farms and solar power stations.
Industrial
Motor control centers and power distribution for factories, mining, and heavy industry.
Need Medium Voltage Switchgear?
Get factory-direct pricing from an ISO/CE certified manufacturer with 35+ years of experience. OEM and custom configurations available.