Product introduction

Introducing our Remarkable 220V Control Transformer, a true testament to superior engineering prowess. With an extraordinary capacity reaching up to 50,000VA, this expertly designed transformer effortlessly accommodates input voltages soaring up to 1000V within AC 50-60Hz circuits. Masterfully crafted, it guarantees flawless operation even when pushed beyond its limits. Its unmatched versatility positions it as a stalwart control power supply for a broad spectrum of machine tools and mechanical equipment. Whether utilized for general electrical appliances, localized lighting solutions, or indicator power sources, our 220V Control Transformer stands as your unwavering choice, ensuring dependable and consistent performance across every application.
· Ideally engineered for use in environments where altitude does not exceed 2000 meters, ensuring peak performance and reliability;
· Meticulously designed to operate seamlessly in ambient air temperatures ranging from a brisk -25ºC to a comfortably warm +40ºC, while maintaining a 24-hour average that never surpasses +35ºC, thus guaranteeing consistent and unwavering reliability.
· Crafted to excel in conditions where air relative humidity is controlled below 90% at +25°C, and maintained under 50% at +40°C, thereby preserving performance integrity and effectiveness.
· Engineered to withstand environments free from violent vibrations or shocks, with additional protection against exposure to rain or snow, ensuring exceptional longevity and enduring durability.
Meticulously crafted for safe use in environments devoid of explosion hazards, and assuredly protected against the presence of corrosive gases or conductive dust that could compromise metals or undermine insulation integrity, thereby safeguarding your applications with utmost assurance.
Our transformers are custom-designed to cater to a diverse array of capacity, voltage, and application needs, offering a wide variety of structural designs. Typically available in encapsulated and open-shell configurations, they provide the adaptability and steadfast reliability necessary for a myriad of applications.
Featuring transformer coils with either double or multiple windings, each unit is meticulously equipped with secondary windings that include multiple taps or independent coils. This ensures precise voltage and capacity distribution, impeccably tailored to meet your specific demands and requirements.
The calculation for the double-winding transformer coil is ingeniously represented as follows: primary current I1 = Pe/U1, secondary current I2 = Pe/U2, providing precise and insightful electrical performance analytics.
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 proudly stand as a distinguished professional manufacturer, boasting an impressive 32 years of unrivaled expertise in the electric equipment manufacturing industry. Our specialization spans across transformers-both dry-type and oil-immersed-voltage stabilizers, regulators, switchgear, compact substations, frequency converters, and more. Our rigorous quality control measures ensure an exceptional standard of safety and excellence, earning us a prestigious reputation both domestically and internationally. We are firmly committed to customer satisfaction, consistently striving to deliver authentic, precise, and rewarding services. We wholeheartedly invite you to visit our cutting-edge facility and explore the promising opportunities for partnership with us.
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Company Profile
Founded in the year 1992 with visionary insight and steadfast dedication, Dongliang Electric Co., Ltd. stands as a shining beacon of excellence in the electrical industry. With an impressive registered capital of 50 million RMB, we boast nearly three decades of unmatched expertise in the production of medium-voltage transmission and distribution electrical equipment. Renowned for innovation and reliability, our comprehensive range of transformers includes dry-type, oil-immersed, machine tool, environmental protection, control, and lighting lamp transformers. Further enriching our product portfolio are high-performance voltage stabilizers, precise voltage regulators, efficient switchgear, compact substations, advanced frequency converters, and a host of state-of-the-art electrical apparatus. Strategically situated in the bustling hub of Yueqing City, Zhejiang Province, widely hailed as the 'Electrical Appliance Capital of China', our company enjoys an enviable location bordered by the tranquil East Sea to the south and breathtaking national scenic treasures to the north. Guided by our unwavering principle of 'quality first, service foremost', we are dedicated to continuous improvement and pioneering advancements, constantly striving to exceed our customers' expectations. Our rigorous and meticulous quality control system ensures zero defects and zero complaints, securing us a stellar reputation both domestically and internationally. Customer satisfaction is our ultimate mission, and we are committed to delivering genuine, thoughtful, and thoroughly satisfying service. We warmly extend an invitation to visit our cutting-edge factory and explore the potential for a long-lasting partnership with us.
Company advantage

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Packaging & Shipping
Packing standard: Elevate your expectations with our superior packaging solutions. We use exceptionally sturdy wooden cases combined with secure container protection, guaranteeing that your product arrives not just safely, but in pristine condition, ready for immediate use.
Q: Who are we?
A: We are Dongliang Electric Co., Ltd., a distinguished name in the transformer industry. Celebrating an outstanding legacy of 32 years in professional transformer production, we are based in the heart of Zhejiang, China, where we consistently deliver excellence with every product.
Q: Can your product be customized?
A: Absolutely! Experience unparalleled adaptability with our product, meticulously engineered for customization. From voltage tweaks to frequency alterations, and tailored transformer specifications, we accommodate the unique needs of various countries and regions, ensuring our product aligns perfectly with your specific requirements.
Q: How about your after-sales service?
A: Our unwavering commitment to superiority extends well beyond the initial purchase. With an exceptional 20-year after-sales quality assurance, rest assured of tranquility and unmatched satisfaction, as we pledge to support you long after your acquisition.
Have more questions? We are at your service! Contact us at any time to receive prompt, attentive assistance. We are devoted to providing immediate responses to address all your inquiries.