Product introduction

Introducing our Remarkable 220V Control Transformer, a shining beacon of superior engineering excellence. Boasting an impressive capacity of up to 50,000VA, this expertly crafted transformer supports input voltages soaring to an astounding 1000V within AC 50-60Hz circuits. Designed with precision, it guarantees seamless operation even under maximum demand. Its unrivaled versatility positions it as a steadfast 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, our 220V Control Transformer remains your steadfast choice, ensuring unwavering performance in every application.
· Perfectly suited for environments where altitude does not exceed 2000 meters, ensuring unparalleled performance and reliability.
· Meticulously engineered to function efficiently in ambient air temperatures ranging from a brisk -25ºC to a comfortable +40ºC, while maintaining a 24-hour average that never exceeds +35ºC, ensuring consistent dependability.
· Expertly crafted to thrive in conditions where air relative humidity stays below 90% at +25°C, and under 50% at +40°C, maintaining performance integrity without compromise.
· Designed with resilience to withstand environments free from violent vibrations or shocks, and equipped with protection against rain or snow exposure, promoting longevity and durability.
Meticulously crafted for application in environments devoid of explosion hazards, with assurance against the presence of corrosive gases or conductive dust that could compromise metal and insulation integrity, safeguarding your valuable applications.
Our transformers are custom-engineered to meet a diverse range of capacity, voltage, and application needs, offering an array of structural designs. Typically available in encapsulated and open-shell configurations, they provide the adaptability and enduring reliability required for a wide spectrum of applications.
Featuring transformer coils with either double or multiple windings, each unit is equipped with secondary windings that include multiple taps or independent coils. This ensures precise voltage and capacity distribution, perfectly tailored to meet your specific requirements.
The calculation for the double-winding transformer coil is represented by: primary current I1 = Pe/U1, and secondary current I2 = Pe/U2, providing 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 |
We proudly stand as a professional manufacturer with an impressive 32 years of unmatched expertise in the electric equipment manufacturing industry. Our specialization spans transformers - both dry-type and oil-immersed, voltage stabilizers, regulators, switchgear, compact substations, frequency converters, and more. We implement rigorous quality control measures to ensure exceptional safety and excellence, earning us a prestigious reputation both domestically and internationally. We are devoted to customer satisfaction, consistently striving to deliver authentic, precise, and rewarding services. We warmly invite you to visit our cutting-edge facility and explore promising opportunities for partnership with us.
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Company Profile
Established with remarkable foresight and unwavering determination in 1992, Dongliang Electric Co., Ltd. stands as a paragon of excellence with a formidable registered capital of 50 million RMB, alongside nearly three illustrious decades of unparalleled mastery in the manufacturing of medium-voltage transmission and distribution electrical equipment. As a beacon of innovation and reliability, our expertise shines through a comprehensive array of transformers, encompassing dry-type, oil-immersed, machine tool, environmental protection, control, and lighting lamp transformers. Our expansive product line further extends to include high-performance voltage stabilizers, precise voltage regulators, efficient switchgear, compact substations, advanced frequency converters, and an array of cutting-edge electrical equipment. Nestled strategically in the vibrant heart of Yueqing City, Zhejiang Province, famously known as the 'Electrical Appliance Capital of China', our esteemed company enjoys a prime location, bordered by the serene East Sea to the south and breathtaking national scenic wonders to the north. Upholding our 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: Experience the pinnacle of protection and presentation with our advanced packaging solutions. Our sturdy wooden cases, coupled with secure container protection, ensure your product arrives not just safely, but in pristine condition, ready to delight right out of the box.
Q: Who are we?
A: We are Dongliang Electric Co., Ltd., a trailblazer in the transformer industry. With a rich and prestigious heritage of 32 years in specialized transformer manufacturing, we are based in the heart of Zhejiang, China, where we continuously innovate and excel in crafting high-quality transformers.
Q: Can your product be customized?
A: Without a doubt! Experience unparalleled adaptability with our highly customizable products. Be it voltage adjustments, frequency modifications, or other unique transformer specifications, we tailor our offerings to meet the diverse needs of various countries and regions, ensuring a perfect fit for your distinct requirements.
Q: How about your after-sales service?
A: Our commitment to excellence extends far beyond the point of sale. Benefit from our exceptional 20-year after-sales quality guarantee, providing you with confidence and unrivaled satisfaction. We stand by your side, offering steadfast support well after your purchase is made.
Have more questions? We're always ready to assist! Contact us at your convenience and experience our swift and attentive support. We pledge to provide immediate, comprehensive responses to all your inquiries, ensuring you receive the assistance you need.