Product introduction

Introducing the Remarkable 220V Control Transformer by Dongliang Electric Co., Ltd. This masterpiece of engineering redefines excellence with exceptional capacity reaching up to a stunning 50,000VA. Engineered to seamlessly handle input voltages of up to 1000V in AC 50-60Hz circuits, this transformer is a marvel of precision and reliability. Its design guarantees smooth, uninterrupted operation, even when pushed to its utmost limits. The unparalleled versatility of this transformer renders it the ideal control power supply for a diverse array of machine tools and mechanical equipment. Whether for general electrical appliances, localized lighting solutions, or indicator power sources, the 220V Control Transformer is your steadfast ally, promising unwavering performance across all applications.
· Perfectly suited for environments where the altitude is under 2000 meters, ensuring top-tier performance and reliability;
· Meticulously engineered to function optimally within ambient air temperatures ranging from a brisk -25ºC to a comfortable +40ºC, all while maintaining a 24-hour average below +35ºC, ensuring consistent dependability.
· Crafted to maintain excellent performance in conditions where the air relative humidity remains below 90% at +25°C, and stays under 50% at +40°C, safeguarding the integrity of its performance.
· Robustly built to thrive in environments free from violent vibrations or shocks, complete with protection against rain or snow, enhancing its longevity and durability.
Meticulously designed to operate safely in explosion hazard-free environments, providing assurance against gases or conductive dust that could corrode metals or compromise insulation, thereby protecting your applications.
Our transformers are engineered with precision to meet a wide range of capacity, voltage, and application needs, featuring a variety of structural designs. Available in both encapsulated and open-shell configurations, they offer the adaptability and unwavering reliability essential for an extensive range of applications.
Boasting transformer coils with either double or multiple windings, each unit comes equipped with secondary windings that include multiple taps or independent coils. This ensures precise voltage and capacity distribution, custom-tailored to meet your specific requirements.
The double-winding transformer coil calculation is detailed as follows: primary current I1 = Pe/U1, secondary current I2 = Pe/U2, delivering precise insights into electrical performance.
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 |
As a leading manufacturer with an exceptional track record of 32 years of unmatched expertise in the electric equipment manufacturing industry, we specialize in producing transformers, both dry-type and oil-immersed, as well as voltage stabilizers, regulators, switchgear, compact substations, frequency converters, and more. Our stringent quality control protocols guarantee an outstanding level of safety and excellence, earning us a prestigious reputation on both domestic and international fronts. We are dedicated to customer satisfaction, consistently delivering authentic, precise, and rewarding services. We warmly invite you to visit our state-of-the-art facility and explore the incredible partnership opportunities with us.
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Company Profile
Established with remarkable foresight and unwavering determination back in 1992, Dongliang Electric Co., Ltd. stands as a shining paragon of excellence. With an impressive registered capital of 50 million RMB, we boast nearly three illustrious decades of unparalleled mastery in crafting medium-voltage transmission and distribution electrical equipment. As a beacon of innovation and reliability, our expertise is evident in a comprehensive array of transformers, including dry-type, oil-immersed, machine tool, environmental protection, control, and lighting lamp transformers. Our expansive product line extends to encompass high-performance voltage stabilizers, precise voltage regulators, efficient switchgear, compact substations, advanced frequency converters, and an array of cutting-edge electrical equipment. Strategically nestled in the vibrant heart of Yueqing City, Zhejiang Province, famously celebrated as the 'Electrical Appliance Capital of China', our esteemed company enjoys a prime location flanked by the serene East Sea to the south and breathtaking national scenic wonders to the north. Upholding the steadfast principle of 'quality first, service first', we are relentlessly committed to continual enhancement and pioneering innovation, striving ceaselessly to surpass our customers' expectations. Our rigorous and meticulous quality control system guarantees zero defects and zero complaints, securing us a stellar reputation that resonates both domestically and internationally. Customer satisfaction remains our ultimate goal, and we are devoted to providing genuine, thoughtful, and thoroughly satisfactory service. We warmly invite you to visit our state-of-the-art factory and explore the potential for a lasting partnership with us.
Company advantage

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Packaging & Shipping
Packing standard: Elevating packaging excellence, we present our superior packaging solutions featuring durable wooden cases coupled with comprehensive container protection. This meticulous approach guarantees your product arrives not just safely, but in pristine condition, fully prepared for immediate deployment.
Q: Who are we?
A: Dongliang Electric Co., Ltd. proudly stands at the forefront of the transformer industry. With an extraordinary heritage of 32 glorious years in crafting high-quality transformers, we are based in Zhejiang, China, where innovation meets tradition to produce excellence.
Q: Can your product be customized?
A: Absolutely! Unlock the limitless potential of customization with our products. Tailored to accommodate voltage adjustments, frequency modifications, and other transformer specifications, we meticulously design our products to meet the unique demands of various countries and regions, ensuring a perfect match for your specific needs.
Q: How about your after-sales service?
A: Beyond the point of purchase, our commitment to quality knows no bounds, offering a comprehensive 20-year after-sales quality assurance. Rest easy with the assurance of ongoing support and satisfaction, as we stand by your side, long after the transaction is complete.
Have more questions? We are here to help! Feel free to contact us anytime for timely and attentive support. Committed to excellence, we ensure immediate responses to all your inquiries, providing you with exceptional and prompt assistance.