Engineered to deliver high compatibility, electrical endurance, and seamless automatic switching for industrial, utility, and municipal infrastructures.
At Mingri Electric Co., Ltd., our story begins with a simple yet profound vision held by our founder, Mr. Fu: "To safeguard every circuit." This commitment to electrical safety and reliability has driven us to rethink how power distribution should be engineered—from the ground up.
In modern distribution setups, the Single Phase Automatic Changeover Switch (ATS) serves as the critical checkpoint that manages backup transitions. Any interruption, lag, or electrical instability during cross-overs can trigger operational failure, commercial downtime, or equipment degradation. That is why our development of ODM solutions prioritizes uncompromising engineering tolerances and rapid response times.
Quality isn't an afterthought; it is integrated directly into the physical matrix of our components.
We work hand-in-hand with high-precision stamping suppliers to co-develop custom molds and high-performance metal components. These are not off-the-shelf parts; they are designed from the blueprint to meet strict tolerances, ensuring perfect physical integration and structural longevity.
By executing full control over the R&D and production of our internal circuit breakers, we ensure seamless operational compatibility when they are nested within our larger low- and high-voltage automatic changeover configurations. This approach guarantees system-wide performance and eliminates alignment bugs.
Control at the component level allows us to achieve full tractability. From raw metallurgical formulation to functional electrical testing under load, we stand behind the durability and safe trip action of every ODM unit delivered to our global distributors.
We believe electricity is the fundamental catalyst of industrial growth. Our objective is to engineer transfer mechanisms that maximize resource uptime.
Can power thousands of municipal households annually on a micro-grid level.
Achieved through predictive sensing algorithms and real-time wear monitors.
Configured using high-density modular switchgear spacing principles.
Whether handling the power loads of heavy factories, distributing clean power in smart cities, or guarding household electronics from voltage spikes, our automatic transfer solutions optimize grid behavior, turning basic distribution systems into key assets.
Where Single Phase Automatic Changeover Switches and protection systems are deployed to protect operations.
Providing rapid transfer transitions from grid failure to auxiliary diesel generators, ensuring zero loss of transactional databases, lighting systems, or safety installations.
Guarding sensitive assembly lines against line fluctuations. Integrated current limiters prevent overcurrent damages, minimizing downtime.
Managing the dual supply switching between solar battery inverter networks and utility lines. Prioritizes renewable energy use with backup switches.
How our manufacturing facilities deliver high-precision products at competitive costs.
Situated in China's electrical manufacturing heartland, we leverage a concentrated supply chain of raw metallurgical materials, precision toolings, and specialized component partners. This geographic advantage minimizes logistics lead times and component sourcing costs.
Our dedicated engineering team excels at modifying existing platforms to meet specific regional requirements, such as custom voltage thresholds (110V/220V/240V), unique DIN-rail physical form factors, and custom auxiliary terminal markings.
We operate under strict quality management frameworks, incorporating computer-aided visual inspection systems and high-current load testing chambers to verify the arc-extinguishing and transfer times of every batch before export.
Developing products aligned with the global shift toward digitalization, smart grids, and green operations.
Connecting switching mechanisms with Modbus and wireless telemetry to enable remote performance logging and diagnostics from central SCADA platforms.
Re-engineering contact arm mechanisms to achieve shorter transition times, minimizing phase-shift disruptions in sensitive consumer electronics.
Combining traditional mechanical contactors with thyristor circuits to reduce mechanical wear and prevent excessive arcing during high-load switching.
Using fully recyclable plastic enclosures and non-toxic contact finishes, ensuring compliance with global environmental regulations such as RoHS and WEEE.
Quality is the foundation of our work at Mingri Electric. We aim to exceed expectations through precision engineering and rigorous testing of all transfer switches and components. Choose our systems for durable reliability and consistent grid protection.
Our production facilities and switchgear designs comply with international performance standards, ensuring reliable integration into global projects.






Key parameters and standards we address for international engineering and procurement partners.
We ensure compliance with IEC 60947-6-1 and UL 1008 standards, detailing performance under short-circuit conditions, temperature limits, and mechanical cycles.
Our enclosures feature ratings up to IP65/IP66, protecting interior components in demanding marine, industrial, or outdoor environments.
We implement both mechanical and electrical interlocks to prevent simultaneous connection to utility and generator lines, protecting onsite operators.
Answers to common technical and commercial questions about our ODM Automatic Changeover Switches.
Our standard electromagnetic Single Phase Automatic Changeover Switches switch power sources within 50ms to 150ms depending on the model, preventing system shut-offs in most domestic and commercial hardware.
We install robust mechanical and electrical safety interlocks on our dual-throw setups, ensuring one source is fully disconnected before the second can make contact.
We offer custom shell molding, laser-etched branding, modified wire terminals, and adjusted trip parameters to suit your local market regulations and brand preferences.
The integrated current-limiting protector monitors circuits and trips within milliseconds if current surges exceed safety limits, preventing electrical fires caused by short-circuits or overloaded lines.
Yes, our systems are optimized for solar applications, managing transitions between grid power and battery/inverter supplies based on voltage levels.
Discover our comprehensive collection of medium-voltage, low-voltage, and specialized electrical substations engineered for global utility grids.