Products

The 13.8kV 250kVA dry type distribution transformer, independently developed and manufactured by Zhejiang Usune Electric Co., Ltd., is an oil-free unit that utilizes air as both the cooling and insulating medium. It offers advantages such as fire and explosion resistance, low noise, low partial discharge, energy efficiency, maintenance-free operation, and a compact structure. Compliant with international electrical standards, it is widely suitable for indoor power distribution applications in hospitals, subways, commercial buildings, and factories.

Usune’s independently developed and manufactured 33kV 63kVA Dry Type Transformer is an oil-free power distribution unit that utilizes air as both the cooling and insulating medium. Unlike traditional oil-immersed transformers, this unit contains no insulating oil, offering advantages such as fire and explosion resistance, low noise, low partial discharge, energy efficiency, environmental friendliness, and maintenance-free operation. Its compact structure and strong environmental adaptability make it ideal for indoor power distribution applications in commercial buildings, hospitals, schools, factories, and subways. As a specialized Chinese manufacturer of high-voltage dry-type power equipment, Usune strictly adheres to industry standards, ensuring stable and efficient operation under complex conditions and providing reliable power support for urban and industrial distribution systems.

As a professional manufacturer of dry-type transformers, Usune offers the 11kV 1000kVA dry type transformer—an oil-free power unit that utilizes air as both the insulation and cooling medium. It boasts advantages such as fire and explosion resistance, low noise, low partial discharge, energy efficiency, maintenance-free operation, a compact structure, and ease of installation. Widely used in commercial buildings, hospitals, schools, industrial plants, and subways, this product delivers stable performance and excellent value, serving as a premium solution for indoor power distribution systems in China.

The 630kVA epoxy resin dry type transformer developed and manufactured by Zhejiang Usune Electric Co., Ltd. moves away from traditional oil-immersed designs, utilizing air as the medium for insulation and cooling. It offers advantages such as fire and explosion resistance, low noise, maintenance-free operation, and environmental friendliness. As a premium power distribution equipment supplier, Usune manufactures products in strict accordance with International Electrotechnical Commission (IEC) and national power standards; by optimizing the core and winding structures, the company minimizes operational losses and enhances stability.

Usune’s independently developed 750kVA three-phase dry type transformer moves away from traditional oil-immersed designs, utilizing air as the cooling and insulating medium and employing high-temperature resistant solid insulation materials. It offers advantages such as fire and explosion resistance, leak-free operation, low noise, low partial discharge, energy efficiency, and maintenance-free performance. As a core power distribution product supplied globally by our factory, it is widely suitable for indoor power supply applications in hospitals, schools, commercial buildings, subways, and industrial facilities.

Usune’s independently developed 500kVA cast resin dry type transformer moves away from traditional oil-immersed designs, utilizing air as the cooling and insulation medium and employing epoxy resin casting for insulation. It offers advantages such as fire and explosion resistance, low noise, energy efficiency, and maintenance-free operation. Backed by standardized production lines and a comprehensive testing system, the product complies with both IEC and domestic power industry standards. As a premium power distribution solution, it is widely used in indoor environments requiring high safety standards, such as subways, hospitals, and factories.