Distribution Transformer Cooling

Distribution transformer cooling systems and components including radiator panels, cooling fans, oil pumps, and heat exchangers designed to maintain optimal transformer temperature and performance in utility, industrial, and commercial applications. These cooling systems are essential for regulating operating temperature and preventing insulation breakdown, which can significantly reduce transformer life. As transformers operate continuously under electrical load, heat is generated in the core and windings and must be dissipated efficiently to maintain reliability and performance. 

At Parts Super Center, we provide a full range of distribution transformer cooling components designed to support both liquid-filled and dry-type transformers, including radiators, fan assemblies, oil circulation pumps, and heat exchangers. These systems are engineered to work across common cooling classes such as ONAN (Oil Natural Air Natural), ONAF (Oil Natural Air Forced), and OFAF (Oil Forced Air Forced), which use combinations of oil circulation, air cooling, and forced cooling to manage heat under varying load conditions.

Built for Utility & Industrial Environments, transformer cooling solutions are designed for electric utilities and substations, steel mills and heavy manufacturing, commercial and institutional facilities, and renewable energy and grid infrastructure. Cooling systems play a critical role in extending transformer life, as even small increases in operating temperature can significantly accelerate insulation aging and reduce equipment lifespan. 
We supply a wide range of transformer cooling equipment, including radiator panels and finned cooling assemblies, axial cooling fans and blower systems, oil circulation pumps and forced-oil systems, oil-to-air and oil-to-water heat exchangers, and cooling control panels and temperature monitoring accessories. These components work together to dissipate heat through natural convection or forced cooling methods, depending on transformer size and load requirements.

We support and source cooling components compatible with leading OEM transformer manufacturers, including ABB, GE, Eaton, Siemens, and others.
Typical industry part number formats include:

• Cooling fan assemblies: FAC-400, FAC-630, FAC-800 series (axial fan sizes)
• Radiator panel sections: RAD-24x72, RAD-36x96, RXF series configurations
• Oil pump assemblies: OPA-1HP, OPA-3HP, 5000-series circulation pumps
• Heat exchanger units: OAF-200, OFAF-300, HEX-plate cooler systems
• GE / ABB style references: 5KH, 5KS, 7T series cooling components

Example search-friendly references include: FAC-630-3PH, RAD-36x96-ONAN, OPA-3HP-460V, OFAF-300-COOLER, and similar OEM or aftermarket formats used in transformer cooling systems. We support sourcing, cross-referencing, and replacement of legacy or obsolete cooling components.

Whether upgrading an existing transformer or replacing failed components, PSC offers  distribution transformer cooling solutions to ensure reliable thermal management and long-term system performance.