Product introduction

Step into a new era of power management with our Advanced Premium 100VA Control Transformer. This high-performance transformer is meticulously crafted to cater to the rigorous demands of contemporary machine tools and mechanical equipment. Perfectly designed for circuits with input voltages up to 1000V and operating seamlessly at AC 50-60Hz, its reliability for continuous operation is unmatched. Whether powering general electrical appliances, providing local lighting solutions, or delivering dependable indicating power, this transformer boasts an impressive capacity of up to 50000VA, making it an essential asset for any advanced operation.
· Optimally engineered to deliver peak performance at altitudes up to 2000 meters, ensuring unwavering functionality.
· Operates flawlessly within a sweeping ambient air temperature range from -25ºC to +40ºC, ensuring a 24-hour average not exceeding +35ºC for harmonious and consistent operation across diverse environments.
· Maintains superior efficiency with relative air humidity levels not surpassing 90% at 25°C and under 50% at 40°C, guaranteeing steadfast performance through fluctuating conditions.
· Specially constructed to thrive in environments devoid of violent vibration and shock, while being shielded against rain or snow intrusion, this transformer promises unyielding and reliable service.
Designed for safe operation in media free of explosion risks, our transformers are untainted by corrosive gases or conductive dust that might affect metal integrity or insulation. This ensures unparalleled safety and durability.
Our transformers are ingeniously designed with adaptability in mind, fulfilling diverse capacity, voltage, and use requirements. Available in distinct structures, they are expertly categorized into shell-encased and open-frame forms, each tailored for specific applications.
Our precision-engineered transformer coils, whether double-winding or multi-winding, enable the secondary side to leverage multiple taps or windings, achieving the exact voltage and capacity distribution needed for sophisticated applications.
The double winding transformer coil is crafted for efficiency, with the primary current calculated as I1=Pe/U1, and the secondary current as I2=Pe/U2, ensuring optimal energy conversion and distribution for your electrical needs.
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 a professional manufacturer with 32 years of unparalleled experience in crafting first-class electrical equipment. Specializing in a diverse range of products including transformers (both dry-type and oil-immersed), voltage stabilizers, regulators, switchgear, compact substations, and frequency converters, our stringent quality control standards promise exceptional safety and quality. Dongliang Electric Co., Ltd. has earned a distinguished reputation both nationally and internationally, with customer satisfaction as our steadfast promise. We cordially invite you to tour our cutting-edge facilities and discover the potential for a fruitful and enduring partnership with us.
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Company Profile
Founded in 1992 and fortified with an impressive registered capital of 50 million RMB, Dongliang Electric Co., Ltd. has risen as a beacon of innovation and excellence in the manufacturing of medium voltage transmission and distribution electrical equipment. With nearly three decades of unrivaled experience, our extensive expertise spans a diverse spectrum of transformers, from dry-type and oil-immersed to machine tool, environmental protection, control, and lighting lamp transformers. In addition, we offer an array of sophisticated solutions, including voltage stabilizers, voltage regulators, switchgear, compact substations, as well as cutting-edge frequency converters and a variety of other electric devices. Our esteemed base in Yueqing City, Zhejiang Province, famously recognized as the 'Electrical Appliance Capital of China', provides us with a strategic vantage point, enriched by the scenic beauty of the East Sea and Oujiang River to the south, and complemented by notable national scenic wonders to the north. At the heart of Dongliang Electric is our unwavering commitment to 'quality first, service foremost', reflecting our relentless drive for continuous improvement and pioneering innovation, designed to surpass customer expectations. Our rigorous quality control system ensures the utmost standards of quality and safety, earning us a prestigious reputation among a global clientele. Your satisfaction is our ultimate goal, and we pledge to deliver the most genuine, attentive, and rewarding service experience. We extend a warm invitation for you to visit our facility, anticipating the opportunity to forge a lasting and fruitful partnership with you.
Company advantage

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Packaging & Shipping
Packing standard: We assure you of robust and secure packaging by employing durable wooden cases or reliable container protection. This ensures that the product remains intact and pristine throughout its journey.
Q: Who are we?
A: We are Dongliang Electric Co., Ltd., a distinguished transformer manufacturer with an impressive 32 years of dedicated expertise in the art of transformer production. Proudly situated in Zhejiang, China, we continue to push the boundaries of innovation and excellence.
Q: Can your product be customized?
A: Absolutely! Our commitment to quality and versatility allows us to offer fully customized solutions. We understand the diverse voltage, frequency, and unique transformer needs of different countries and regions, ensuring our products meet your specific requirements seamlessly.
Q: How about your after-sales service?
A: We are committed to your satisfaction and peace of mind, offering an impressive 20-year after-sales quality guarantee. Our dedication to excellence ensures that you can rely on our products long after purchase.
For more inquiries, we encourage you to reach out to us. Contact us and experience our prompt and dedicated response.