Product introduction

Introducing our Reliable 220V Control Transformer, a true masterpiece of engineering brilliance, boasting an impressive capacity of up to 50,000VA. Expertly engineered for input voltages soaring to an impressive 1000V within AC 50-60Hz circuits, this transformer is crafted for flawless performance even at maximum capacity. Its remarkable versatility is evident as it stands as a reliable control power supply across machine tools and mechanical equipment. Whether it's for general electrical appliances, localized lighting, or indicator power sources, this transformer is your trusted ally.
· Ideally suited for settings where the altitude gracefully remains below 2000 meters;
· Meticulously engineered to function at peak performance in ambient air temperatures ranging from a brisk -25ºC to a balmy +40ºC, while ensuring the 24-hour average does not exceed a comfortable +35ºC.
· Crafted to excel in conditions where air relative humidity is maintained at no more than 90% at +25°C, and remains below 50% at +40°C for optimal efficiency.
· Designed to withstand environments devoid of severe vibrations or shocks, and fortified against exposure to rain or snow to ensure longevity and reliability.
Painstakingly engineered for environments free from explosion hazards, devoid of gases or conductive dust that could corrode metals or jeopardize insulation integrity.
Our transformers are meticulously tailored to cater to a diverse range of capacities, voltages, and application needs, offering a spectrum of structural designs. Typically classified into encapsulated and open-shell configurations, they provide unmatched flexibility and reliability across various applications.
Featuring transformer coils with either double or multiple windings, each unit is equipped with secondary windings featuring multiple taps or independent coils, ensuring precise voltage and capacity distribution tailored to meet your exact requirements.
The mathematical expression for the double-winding transformer coil is as follows: primary current I1 = Pe/U1, secondary current I2 = Pe/U2, providing a clear representation of the energy dynamics within the system.
Apply |
Mines, oil fields, subways, power plants, schools, hospitals, commercial centers, high-rise buildings |
Installation height |
The altitude does exceed 1000m |
The waveform of the power supply voltage |
similar to a sine wave |
We are immensely proud to be recognized as a professional manufacturer with 32 years of unmatched expertise in the electric equipment manufacturing realm. Our specialization spans transformers-both dry-type and oil-immersed-voltage stabilizers, regulators, switchgear, compact substations, frequency converters, and beyond. Our rigorous quality control protocols ensure an unparalleled standard of safety and excellence, earning us a distinguished reputation in both domestic and international markets. We remain unwavering in our dedication to customer satisfaction, diligently striving to deliver genuine, precise, and rewarding services. We warmly invite you to visit our cutting-edge facility and explore a promising partnership with us.
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Company Profile
Founded in 1992 with an extraordinary vision and steadfast dedication, Dongliang Electric Co., Ltd. proudly boasts a robust registered capital of 50 million RMB. With nearly thirty years of unrivaled expertise in crafting medium-voltage transmission and distribution electrical equipment, we are a beacon of innovation and trust in the industry. Our exceptional range of transformers includes dry-type, oil-immersed, machine tool, eco-friendly, control, and lighting lamp transformers. Beyond transformers, our expansive product range features high-performance voltage stabilizers, precision voltage regulators, efficient switchgear, compact substations, advanced frequency converters, and a suite of state-of-the-art electrical equipment. Strategically located in Yueqing City, Zhejiang Province-renowned as the 'Electrical Appliance Capital of China'-our company benefits from a prime location, with the tranquil East Sea to its south and stunning national scenic wonders to its north. Adhering to our unwavering principle of 'quality first, service first,' we are committed to continual innovation and excellence, always aiming to exceed customer expectations. Our scrupulous quality control system ensures zero defects and zero complaints, earning us an esteemed reputation globally. Achieving customer satisfaction is our ultimate aspiration, and we pledge to deliver genuine, attentive, and fully satisfying service. We warmly welcome you to tour our advanced facilities and explore the exciting possibilities of forming a lasting partnership with us.
Company advantage

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Packaging & Shipping
Packing standard: Elevate your experience with our premier packaging solutions. Our sturdy wooden cases and secure container safeguards ensure that your product arrives not just safely, but in pristine, immaculate condition, ready for seamless integration and immediate use.
Q: Who are we?
A: We proudly introduce Dongliang Electric Co., Ltd., a beacon of excellence and innovation in the transformer industry. With an illustrious legacy spanning over 32 years, we are headquartered in Zhejiang, China, and are dedicated to the art of crafting superior transformer solutions.
Q: Can your product be customized?
A: Absolutely! Experience unparalleled flexibility with our customizable product. Whether it involves voltage adaptations, frequency modifications, or other transformer specifications, we tailor solutions to perfectly meet the unique demands of various countries and regions, ensuring seamless alignment with your specific needs.
Q: How about your after-sales service?
A: Our commitment to excellence extends far beyond the point of purchase with an exceptional 20-year after-sales quality guarantee. Revel in the assurance and satisfaction of knowing that we stand by you, providing unwavering support and dedication long after your investment.
Have more questions? We're here to help! Connect with us anytime to experience our swift and attentive customer care. We are unwaveringly committed to delivering prompt and thorough responses to all your inquiries, ensuring your satisfaction is our top priority.