Package Substation Transformers
Compact, factory-assembled and tested package substation transformers for utility and industrial distribution. 300 kVA to 5 MVA, up to 72 kV class — designed for rapid deployment with integrated MV/LV switchgear.
Engineering Features
Factory Assembled & Tested
Complete substation assembly tested before dispatch — eliminates site commissioning risks and reduces installation time.
Technical Data
| Parameter | Range / Value |
|---|---|
| Rated Power | 300 kVA – 5 MVA |
| Primary Voltage | Up to 72 kV |
| Secondary Voltage | 230/400 V – 690 V |
| Frequency | 50 / 60 Hz |
| Cooling | ONAN / ONAF |
| Dielectric Fluid | Mineral Oil / Ester Fluid |
| Temperature Rise | 55°C / 65°C |
| Protection Class | IP54 / IP65 |
| Delivery | 18 weeks EXW |
| Standards | IEC 60076 / IEC 62271 |
Standard range parameters — custom specifications available on request.
Related glossary terms
IEEE C57.12
ANSI/IEEE distribution transformer standard
ANSI C57.12.00
General requirements liquid-immersed
DOE 2016
US Department of Energy efficiency rule
NEMA TR1
Sound level & loss tolerances
UL Listed
Underwriters Laboratories safety mark
IEEE C57.110
Harmonic-loaded transformer rating
Compact package-substation transformers for North American utility, mining and industrial service. 300 kVA to 5 MVA at 15 kV, 27 kV and 35 kV — IEEE C57.12.10 compliant, UL listed and DOE 2016 efficient. Designed to fit factory-assembled walk-in substation enclosures for utility, oil & gas, mining and data-centre deployment.
US Mining Operations · Nevada, Arizona, Wyoming
Permian & Bakken Production-Pad Substations
Hyperscale Data-Centre Modular Substations
Federal Sites · DOD, DOE National Labs
Renewable IPP Collection-Substation Transformers
Industrial OEM Skid Substations
Where Package Substation Transformers Excel.
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US Renewable Grid-Tie
IEEE C57 package substation transformers for US solar farms, BESS sites and onshore wind interconnection.
US Industrial & Mining
Compact package transformers for US industrial sites, mining operations and oil-and-gas remote facilities.
Municipal & Co-operative Distribution
Package substation transformers for US municipal utilities and rural electric co-operative distribution.
Frequently Asked Questions
Related Knowledge
FAQs, glossary terms and sizing steps mapped to this product.
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