Top Trusted Power Electronics Device Manufacturer & Factory

Global Leader in Industrial-Grade Power Distribution, Medium/Low Voltage Switchgears, Smart Grid Systems, and Liquid-Cooled BESS Solutions.

52M+
Registered Capital (RMB)
220kV
Turnkey Project Capability
100%
Quality & Safety Inspected
ISO
9001, 14001, 45001 Certified

WHO WE ARE

Zhejiang Zeno Electric Co., Ltd. is a national high-tech enterprise located in Ningbo, with a registered capital of 52 million yuan. Our comprehensive scope integrates the research and development (R&D), advanced manufacturing, global sales, and engineering service of high-performance power equipment and commercial/industrial energy systems.

Rooted in Ningbo's robust maritime and industrial ecosystem, Zeno Electric has established an extensive service network spanning China and critical international markets. Backed by a high-caliber technical team and a deep commitment to sustainable development, we empower global utilities, developers, and commercial entities to seamlessly transition toward modern, digitalized grid technologies.

By investing heavily in scientific research and product testing, we ensure that every solution leaving our production line maximizes operational efficiency, minimizes carbon footprints, and stands up to the harshest environmental stresses.

OUR MISSION & VISION

We believe that tomorrow's electrical grids must be modular, intelligent, and highly resilient. Through localized engineering expertise and vertical integration, we deliver systems that bridge the gap between traditional power distribution and renewable energy storage technologies.

  • State-of-the-Art R&D: Continuous innovation in smart switchgears, containerized battery storage (BESS), and digital control cabinets.
  • Uncompromising Quality: Stringent compliance testing meeting standard global protocols (IEC, CE, GB).
  • End-to-End Execution: Comprehensive turnkey project planning, grid connections, and long-term O&M support.

What We Do: Intelligent Power Systems & Turnkey Engineering

We specialize in developing next-generation hardware and software components tailored for grid modernization. From high-voltage distribution networks to localized industrial microgrids.

Medium & Low Voltage Switchgear

Complete complete-set distribution equipment including air-insulated switchgear (AIS), gas-insulated switchgear (GIS), ring main units (RMU), and metal-clad switchgear engineered for utility power distribution.

Integrated Energy Storage Systems (BESS)

Modular liquid-cooled and air-cooled containerized BESS designs utilizing advanced LiFePO4 chemistry. Optimized for grid-tied, hybrid, and standalone microgrid applications.

Substations & Wind/PV Integration

Robust, weatherproof, compact prefabricated substations (box-type substations) designed specifically to handle the fluctuating load profiles of commercial solar and wind farms.

Smart EV Infrastructure & Smart MCBs

IoT-integrated smart miniature circuit breakers (MCBs) and advanced EV charging solutions equipped with remote monitoring and smart grid interoperability algorithms.

Intelligent EMS / SCADA Integration

Custom automation software and cloud energy management systems (EMS) that display real-time usage metrics, forecast load demand, and dynamically balance distribution.

220kV Turnkey Grid Connection Projects

Full EPC support: from regional grid approval processes, geological site evaluation, structural planning, wiring, installation, testing, and high-voltage commission.

Precision Manufacturing & Quality Control

A walk through our vertically integrated facility in Ningbo. We utilize cutting-edge industrial tooling to guarantee tolerance levels, insulation integrity, and high-current safety profiles.

Cutting process
Precision Steel & Panel Cutting
Tempering furnace
Controlled Thermal Tempering
Oil-immersed welding
Leakproof Transformer Welding
Oil-immersed vacuum pumping
High Vacuum Oil Degassing
Winding
Copper & Foil Core Winding
Casting
Epoxy Resin Vacuum Casting
Assembling
Modular Structural Assembly
Oil-immersed assembling
Oil Tank Integration
Testing
Dielectric & FAT Performance Testing
Shearing
Heavy Plate Metal Shearing
Punching
CNC Sheet Metal Multi-Station Punching

Advantages of Our Ningbo Factory

Sourcing high-voltage grid equipment requires high technical trust, fast lead times, and financial reliability. Here is why global EPCs prefer Zeno Electric in Zhejiang, China.

1. Vertical Supply Chain Integration

Located in the Yangtze River Delta industrial hub, we source premium grade copper windings, high-density silicon steel cores, and advanced components within a 150km radius. This localized ecosystem dramatically lowers manufacturing costs and minimizes assembly lead times.

2. Superb Logistics & Port Access

Our facility is minutes away from Ningbo-Zhoushan Port, the world's busiest container port. We design custom heavy-duty export packaging (vacuum-sealed, shock-absorbed, and moisture-protected maritime casing) ensuring that massive GIS switchgears and 20FT BESS containers arrive undamaged.

3. World-Class Automated Tooling

From robotic multi-axis welding to CNC high-speed metal punching, our production lines utilize state-of-the-art machinery that eliminates manual errors. Our digital quality-tracking systems log the precise torque, insulation strength, and test results of each unit.

Macro-Industry Trends

How Zeno Electric responds to the latest technical shifts in high-power distribution engineering.

Decentralization & Microgrids

Standard large power grids are shifting to decentralized power plants. Our battery energy storage systems (BESS) and prefabricated compact substations allow industrial centers to run clean, grid-independent microgrids with high efficiency.

Liquid Cooling Thermal Performance

Compared to traditional air cooling, our liquid-cooled energy storage technology keeps cell temperature variance under 3°C, extending battery lifespan by 20% and preventing thermal runaway risks in harsh climates.

Digital Twin & IoT Monitoring

We incorporate smart sensors (temperature, pressure, gas analysis) inside MV/LV switchgears and RMUs. This telemetry links with supervisory control (SCADA) software to warn technicians of potential issues before they cause costly downtime.

Global Procurement Solutions

How we simplify the procurement and compliance journey for global project managers.

  • Strict Global Certifications: Our entire line of circuit breakers, distribution boards, and switchgears is certified to CE, IEC, GB, and IEEE standards.
  • Custom Structural Engineering: We configure switchgears, busbar structures, and cooling paths to fit space constraints of retrofit urban substations.
  • Factory Acceptance Testing (FAT): We support virtual and in-person FAT operations, performing high-voltage withstand tests and phase-matching validation.
  • One-on-One Engineering Consultations: A dedicated power systems engineer is assigned to your design phase to verify technical requirements and single-line diagrams (SLDs).
  • Long-Term Maintenance Support: We supply replacement parts, localized training, and remote diagnostic assistance to ensure uninterrupted operation.

Technical Q&A (FAQ)

Detailed answers to critical engineering, safety, and logistical questions regarding our power equipment.

What standards do Zeno Electric switchgears and substations conform to?
All our medium-voltage and low-voltage products are developed and tested in accordance with international electrotechnical standards (IEC), including IEC 62271-200 (for metal-enclosed switchgears), IEC 61439 (for low-voltage switchgear assemblies), and CE requirements. We also provide certified test reports from independent third-party laboratories.
What are the key safety benefits of Zeno's Liquid-Cooled BESS compared to standard Air-Cooled designs?
Our liquid-cooled battery energy storage systems (261kWh, 500kwh, and containerized configurations) utilize a closed-loop coolant cycle that directly wraps cell surfaces. This achieves optimal thermal uniformity, limiting battery cell temperature drift. Uniform cell temperatures enhance cycle life, reduce cell impedance variance, and significantly lower the risk of thermal propagation compared to standard fan-driven air-cooling designs.
Can you customize switchgears and RMUs to match local grid parameters in different countries?
Yes. We specialize in custom product configurations. We can customize ratings, operating frequencies (50Hz / 60Hz), internal busbar arrangements, control voltages, protection relay systems, and enclosure ratings (IP40, IP54, IP65) to suit your regional environment and grid requirements.
How does Zeno Electric handle Factory Acceptance Testing (FAT) for international buyers?
We maintain a comprehensive high-voltage test bay at our Ningbo factory. We perform standard routine tests, including dielectric tests (power frequency withstand, impulse voltage), mechanical performance checks, and control circuit wiring verification. For overseas clients, we support high-definition video-streamed remote FAT sessions or coordinate with your local third-party inspection agencies.
What is the expected lead time for a custom prefabricated compact substation?
Standard lead times for custom prefabricated box-type substations range from 30 to 45 days. This duration encompasses raw material procurement, structural fabrication, transformer winding, assembling, wiring integration, and comprehensive FAT procedures. Highly complex or high-volume orders may require extended schedules, which we coordinate closely during the design proposal phase.
Do your smart MCBs and circuit breakers support third-party building management platforms?
Yes. Our smart miniature circuit breakers (such as our 63A WiFi Smart MCBs) utilize open communication protocols (such as Modbus TCP/RTU or standard MQTT API integrations). This allows them to integrate with your existing Energy Management Systems (EMS), SCADA systems, or standard industrial IoT platforms.