RHONA’s Substation-Type Transformers are engineered for heavy-duty industrial and mining applications, following ANSI and NEMA standards. These robust, compact units are designed for outdoor installation on concrete foundations, offering safe and reliable power distribution in harsh environments.
Configured with medium and low voltage bushings placed on opposite narrow sides of the transformer, they allow easy connection to switchgear, protective enclosures, or bus ducts as required by each project. All electrical connections are fully protected to ensure the safety of operating personnel.
Power Rating: Up to 30 MVA
Voltage Level: Up to 36 kV
Cooling: ONAN / ONAF (optional forced-air cooling for additional capacity)
Insulating Fluid: Mineral oil or fire-resistant fluid
Protection: Accessories available with or without alarms
Configuration: Side bushings compatible with switchgear, distribution centers, or busbars
Heavy-duty and compact design for industrial use
High safety with fully enclosed electrical terminals
Flexible connection options for secondary equipment
Designed for reliable outdoor operation with low maintenance
Tailored solutions based on project specifications
RHONA delivers Substation-Type Transformers with proven field performance, supported by decades of experience in the energy, mining, and industrial sectors. Each unit is developed in compliance with international standards and includes personalized technical support from design to commissioning.
