Air Cooling 3 Phase Transformer

When demanding industrial and commercial applications require a robust and reliable power conversion solution, an Air Cooling 3 Phase Transformer is often the optimal choice. Unlike oil-immersed units, this type of transformer utilizes ambient air as the primary cooling medium, significantly reducing fire hazards and environmental risks. For scenarios where safety, minimal maintenance, and clean operation are paramount, a Dry Type 3 Phase Transformer offers distinct advantages. Our Air Cooling Transformer range is engineered for efficiency and longevity, making it ideal for installation in confined indoor spaces like basements, manufacturing floors, or hospitals. Specifically, our Dry Type Air Cooling Transformer combines advanced winding insulation with a high-efficiency ventilation design, ensuring stable performance under varying loads without the need for complex liquid cooling systems. This makes it a versatile and dependable core component for power distribution networks, renewable energy integration, and sophisticated machinery.
The AIR-OPTIMA Series Air Cooling 3 Phase Transformer represents the culmination of our engineering expertise, designed to meet the rigorous demands of modern power infrastructure. It is built with meticulous attention to detail, from the selection of premium, class-rated insulation materials to the precision-wound copper or aluminum windings. The core is constructed from high-grade, low-loss silicon steel laminations, which are carefully stacked and clamped to minimize audible noise and magnetic stray losses. A key feature is its intelligent thermal management system. The enclosure is designed to facilitate optimal natural airflow, while integrated temperature sensors and optional fan packages provide forced air cooling (AN/AF classification) for sustained operation at higher capacities. This proactive cooling approach ensures the transformer operates within safe thermal limits, dramatically extending its service life and maintaining high efficiency across its entire load range.

Key Specifications & Technical Parameters

• Primary Voltage: Up to 35kV
• Secondary Voltage: Commonly 600V, 480V, 400V, 230V, or as specified
• Frequency: 50Hz / 60Hz
• Cooling Class: AN (Air Natural) or AF (Air Forced) per IEEE/IEC standards
• Insulation System: Class F (155°C) or Class H (180°C) standard; higher classes available
• Enclosure Protection: IP20 (indoor) standard; IP23, IP54, or IP65 for hostile/dusty environments
• Sound Level: Low-noise design, compliant with NEMA, IEEE, and customer-specific requirements
• Standards Compliance: IEEE C57.12.01, IEC 60076-11, CSA, and other international norms

Standard Rating Table

*Dimensions and weight are approximate and may vary based on specific voltage ratios, impedance, and optional features.

Standard Features & Optional Accessories