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The MBT 300kVA three-phase enclosed transformer for export is an excellent and reliable solution in the field of power supply. With its high-quality construction and enclosed design, this product is a top choice for applications requiring stable performance and environmental protection.
High Efficiency
The transformer is designed to deliver high efficiency in three-phase power conversion, ensuring stable and effective power supply.
High-Quality Insulating Oil
The product uses high-quality insulating oil, helping enhance insulation performance and provide long-term protection for the transformer.
Hermetically Sealed Design for Enhanced Safety
The hermetically sealed design helps protect the transformer from external environmental impacts while maintaining the insulating oil in stable operating condition.
Export Quality
This product is manufactured and exported in compliance with IEC 60076 and Japanese JIS Standards, ensuring reliability and safety across various applications.
High Durability
With high-quality materials and MBT’s modern manufacturing technology, the 300kVA three-phase distribution transformer offers high durability and is suitable for demanding operating conditions.
Wide Range of Applications
This product is designed to meet diverse requirements, from industrial facilities and construction projects to public power systems, technical infrastructure, and especially energy projects such as Solar, Wind, and Battery Energy Storage Systems (BESS). For applications with specific environmental protection requirements, the hermetically sealed oil-immersed transformer is a preferred solution.
Product Quality Standards of the 300kVA Three-Phase Distribution Transformer
MBT’s 300kVA three-phase distribution transformer undergoes strict quality control at every stage, from incoming materials to final product testing. This ensures that the product fully meets stringent requirements in accordance with international standards, including IEC 60076, ANSI, and TCVN 6306.
MBT’s entire operation system is strictly controlled and managed to ensure product quality at every stage, from receiving customer requirements, design, material selection, manufacturing, assembly, testing, packaging, delivery, to after-sales service. All processes are implemented under strict procedures and are logically connected with one another.
MBT has adopted the ISO 14001:2015 environmental management system. The implementation of this system demonstrates MBT’s responsibility toward its customers and stakeholders. MBT is committed to delivering high-quality technical products while maintaining environmentally responsible practices.
The ISO/IEC 17025:2017 accreditation confirms that MBT’s technical testing capability meets international requirements for testing and calibration laboratories. All MBT products are fully tested in an accredited laboratory before delivery, ensuring stable quality and providing customers with confidence in product performance.

One notable feature of this transformer is that, in addition to complying with general international transformer standards under IEC and the specific requirements for solar power projects, MBT transformers also fully meet domestic power industry standards such as QĐ62/EVN, QĐ2608/SPC, QĐ3079/CPC, QĐ1011/NPC, TCVN 8525:2015, and others.