Explore Zago Electric's specialized product portfolio, integrating intelligent controls, eco-friendly insulating mediums, and rugged cabinet architectures for industrial and commercial grids.
High-capacity next-generation BESS offering enhanced thermal safety and long service life for decentralized microgrids.
Outdoor rated telecom-grade hybrid solar power solution with IP55 protection for harsh environmental conditions.
Equipped with temperature, partial discharge, and mechanical life sensors for real-time risk assessment.
Designed for high-reliability reactive power compensation in substations and heavy industrial environments.
Robust outdoor weather protection tailored for commercial PV plants, charging stations, and battery racks.
High-precision internal machinery enabling custom sheet metal fabrication for panels and copper busbar routing.
Gas-insulated ring main unit (RMU) offering compact footprint and maintenance-free operation under 12-36kV.
Eco-friendly C-GIS utilizing pressurized dry air instead of SF6 greenhouse gas, reducing compliance costs.
Established in 2011 and located in Dongguan, Guangdong Province, China, Zago Electric operates a modern manufacturing facility covering more than 12,000 square meters and employs over 220 skilled professionals. The company combines research and development, electrical engineering, precision manufacturing, quality assurance, and technical support to deliver reliable power distribution equipment for diverse industries.
Zago Electric offers a comprehensive portfolio of electrical products, including low-voltage switchgear, medium-voltage switchgear, power distribution panels, motor control centers, distribution boards, intelligent electrical control systems, and customized power management solutions. These products are widely used in manufacturing plants, commercial buildings, renewable energy projects, transportation infrastructure, data centers, utility networks, and industrial automation systems.
We place a strong emphasis on product safety, operational reliability, and compliance with international industry standards. Advanced sheet metal fabrication equipment, automated assembly lines, precision testing instruments, and comprehensive quality control procedures are implemented throughout the production process to ensure consistent product performance and long-term service reliability.
The transition toward decentralized grids, eco-responsibility, and IoT diagnostics is reshaping modern electrical distribution equipment specifications.
Global environmental protocols are phasing out Sulfur Hexafluoride (SF6) due to its high global warming potential. Zago Electric's R&D focuses on "Dry Air" insulation, vacuum interrupters, and alternative green gases that provide superior dielectric properties without environmental hazards.
Downtime in modern industrial networks is costly. Integrating intelligent sensors for thermal mapping, localized partial discharge tracking, and operating mechanism telemetry allows our switchgear panels to communicate maintenance requirements before critical failure occurs.
Industrial clients require fast deployment. The move toward prefabricated containerized switchgear, withdrawable structures, and compact GIS configurations speeds up field erection times and allows for easy system expansion or refurbishment.
Purchasing medium-voltage equipment from Guangdong Province places distributors and EPC contractors at the heart of the world’s most advanced electrical component supply ecosystem.
• Unmatched Supply Chain Integration: Within a 100km radius of Dongguan, we access premium copper refineries, specialized solid insulation suppliers, epoxy casting mold makers, and high-performance circuit breaker components. This proximity keeps production lead times tight and component sourcing highly reliable.
• Precision CNC Machining & Advanced Sheet Metal: Utilizing in-house equipment like the VMC855 CNC Machining Center, Zago Electric constructs enclosures with absolute dimensional tolerances. This ensures internal mechanical locks, switch interlocking structures, and slide rails operate smoothly over decades.
• Cost Engineering & Global Compliance: We leverage efficient production methodologies to offer competitive pricing without sacrificing adherence to IEC 62271, IEEE, and CE safety standards. This balance translates to improved ROI for international grid modernization tenders.
Tailored electrical infrastructure packages that meet the demanding operational dynamics of major industries.
Wind farms, solar arrays (PV systems), and BESS (Battery Energy Storage Systems) require switchgear capable of managing bi-directional power flows and transient voltages. Zago offers specialized waterproof cabinets, smart ring main units, and MV panels with integrated protection relays designed to handle system harmonics and grid synchronization.
Continuous uptime requires reliable distribution boards and switchgear. Our MV panelboards feature dual-source automatic transfer systems (ATS), fast-acting arc fault protection, and comprehensive SCADA/Modbus integrations. This allows facility managers to monitor and manage electrical status in real-time, preventing unplanned outages.
Mining operations, petrochemical processing plants, and railway grids run under harsh operating environments. Zago Electric's metal-clad switchgear and withdrawable circuit breakers provide high short-circuit withstand capabilities, IP54/IP55 ingress protections, and mechanical safety interlocks to ensure safe operation under demanding conditions.
Comprehensive engineering matrix detailing the design parameters and compliance criteria for our standard and custom MV switchgear systems.
| Technical Characteristics | 12kV GIS / AIS System | 24kV Compact RMU | 40.5kV Air-Insulated Switchgear |
|---|---|---|---|
| Rated Voltage (Ur) | 12 kV | 24 kV | 40.5 kV |
| Rated Power-Frequency Withstand Voltage | 28 / 42 kV (1 min) | 50 / 65 kV (1 min) | 95 / 115 kV (1 min) |
| Rated Lightning Impulse Withstand Voltage (Up) | 75 / 85 kV | 125 / 145 kV | 185 / 215 kV |
| Rated Frequency (fr) | 50 / 60 Hz | 50 / 60 Hz | 50 / 60 Hz |
| Rated Normal Current (Ir) | 630 A to 2500 A | 630 A to 1250 A | 1250 A to 3150 A |
| Rated Short-Time Withstand Current (Ik) | 20 / 25 / 31.5 kA (3s) | 20 / 25 kA (3s) | 31.5 / 40 kA (4s) |
| Internal Arc Classification (IAC) | AFLR 25kA/1s | AFL 20kA/1s | AFLR 31.5kA/1s |
| IP Protection Class | IP4X (Enclosure), IP67 (Gas Chamber) | IP3X to IP54 (Customizable) | IP4X / IP54 (Outdoor Enclosures) |
| Standard Certification | IEC 62271-200, CE, ISO9001 | IEC 62271-200, CE, ISO14001 | IEC 62271-200, GB 3906, CE |
Engineered for high current loads, grid protections, and extreme ambient operations. Explore our secondary list of core sub-systems and testing systems.
Designed for high current capabilities up to 3150A, featuring active thermal dissipation and robust protection.
Optimized for transmission substation setups with live-tank reliability and gas insulation versatility.
Compact layout for urban distribution networks, providing gas insulation for harsh ambient humidity protection.
Twin tank physical isolation for maximum security and continuous power supply redundancy.
Turnkey industrial solar integration offering overcurrent, lightning surge, and thermal hazard prevention.
Designed for downstream power management, featuring high drawer interchangeability and safety.
In-house and on-site testing hardware to verify busbar temperature rises and overcurrent trip characteristics.
Weatherproof automation and telemetry interface built for remote microgrid and utility distribution stations.
Take a virtual tour of our 12,000 sqm production floors, featuring advanced machinery, copper busbar processing, automated wiring, and high-voltage test bays.
International engineering firms and utility companies demand strict compliance with international standards, long-term product support, and manufacturing transparency. We design our customer journey around these priorities:
1. Comprehensive Certification: Every MV panelboard exported is verified to comply with standard CE certifications, conforming to IEC 62271-200. This ensures smooth regulatory approval and utility grid connections across Europe, Africa, Latin America, and Southeast Asia.
2. Detailed Type Test Reports: We provide full factory test documentation, including temperature rise limits, dielectric tests, short-time withstand current tests, mechanical operation verifications, and IP rating verifications.
3. Advanced OEM/ODM Engineering: Our engineering team designs custom busbar layouts, fits specified relay brands (such as ABB, Siemens, or Schneider), and designs enclosures to match specific dimensions for retrofit projects.
Direct answers from our engineering experts regarding selection, implementation, standards, and delivery of medium-voltage switchgear.