Product introduction

Introducing our Quality Grey Control Transformer, engineered with a pioneering new silicon steel sheet core. This marvel of electrical engineering boasts a capacity of 50,000 VA and below. It is meticulously crafted for input voltages of 1,000 V and below, operating seamlessly within AC 50-60Hz circuits. Designed for prolonged, continuous operation under its rated capacity, this transformer is ideal for use in machine tools and mechanical equipment. It serves as the go-to control power supply for general electrical appliances, local lighting, and power indication, ensuring reliable performance across diverse applications.
·Perfectly suited for altitudes not exceeding 2,000 meters;
·Operates efficiently across a temperature range from -25ºC to +40ºC, with an average 24-hour temperature not exceeding +35ºC
·Maintains performance with air relative humidity not surpassing 90% at +25ºC, and not over 50% at +40ºC
·Engineered for stability in environments free from violent vibrations, shocks, and protection against rain or snow:
·Designed for safe operation in non-explosive atmospheres, devoid of gases and conductive dust that could corrode metal or compromise insulation
Our transformers, differentiated by capacity, voltage, and usage requirements, feature diverse structural designs. Typically, they are available in two main configurations: with a protective enclosure and without.
The transformer coils are sophisticatedly designed as double-winding or multi-winding systems, allowing the secondary coil to utilize multiple taps or windings. This flexibility enables the acquisition of the precise voltage and capacity necessary for efficient distribution.
Double winding transformer coil specifications: primary current I1=Pe/U1, secondary current I2=Pe/U2
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 rich and steadfast experience in the electrical equipment manufacturing industry. We specialize in an extensive range of products including transformers, both dry-type and oil-immersed, voltage stabilizers, regulators, switchgear, compact substations, frequency converters, and more. Our rigorous quality control systems guarantee unmatched safety and quality, bolstering our esteemed reputation on both domestic and international platforms. With customer satisfaction as our prime objective, we pledge to deliver service that is sincere, detailed, and comprehensive. We warmly extend an invitation to visit our facility and explore a collaborative partnership with us.
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Company Profile
Founded in 1992, Dongliang Electric Co., Ltd. stands as a beacon of excellence in the realm of medium-voltage transmission and distribution electrical equipment. With a robust registered capital of 50 million RMB and nearly three decades of industry expertise, we have carved a niche in the specialized production of an extensive range of transformers, including dry-type, oil-immersed, machine tool, environmental protection, control, and lighting lamp transformers. Our innovative product line also encompasses voltage stabilizers, voltage regulators, switchgear, compact substations, frequency converters, and a variety of other cutting-edge electrical equipment. Nestled in the illustrious 'Electrical Appliance Capital of China,' Yueqing City in Zhejiang Province, our strategic location offers us a scenic blend of the majestic East Sea, the serene Oujiang River, and the nationally renowned 'world beautiful' scenic spot to the north. At Dongliang Electric Co., Ltd., we are unwavering in our commitment to the tenets of 'quality first, service first,' underscoring continuous improvement and innovation to meet and exceed customer expectations. Our rigorous and comprehensive quality control systems ensure the impeccable quality and safety of our offerings, garnering us a stellar reputation and widespread preference among both domestic and international clients. Customer satisfaction remains our perpetual goal, and we pledge to deliver the most sincere, considerate, and satisfactory service. We cordially invite you to visit our state-of-the-art facility and explore the possibility of forging a lasting partnership with us.
Company advantage

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Packaging & Shipping
Packing standard: We ensure the utmost protection for our quality transformers with robust wooden cases or through secure containerization, providing peace of mind during shipping.
Q: Who are we?
A: We are a leading transformer company with an impressive 32 years of professional experience in transformer production, proudly based in Zhejiang, China, known for our expertise and reliability.
Q: Can your product be customerized?
A: Absolutely! Our transformers are designed to meet diverse needs and can be customized to suit specific requirements considering variations in voltage, frequency, and other particularities across different countries and regions.
Q: How about your after-sales servic?
A: We are committed to excellence with a comprehensive 20-year after-sales quality guarantee, ensuring long-term satisfaction and support for our valued customers.
More questions...... Feel free to reach out to us anytime and receive a prompt and attentive response from our dedicated team.