800kVA Miniature Substation
Powerful and compact 800 kVA mini substation with integrated transformer and switchgear. Ideal for stepping down 11kV to 415V in industrial and commercial spaces with limited room.
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800 kVA Miniature Substation – High-Capacity Power Distribution in a Compact Footprint
The 800 kVA mini substation is a fully enclosed, factory-assembled unit that provides seamless voltage transformation from 11,000V to 415V. Designed to meet the needs of high-demand environments such as industrial plants, shopping centres, hospitals, and large-scale residential developments, this substation offers efficient, reliable, and space-saving power distribution.
Built with a durable enclosure and premium components, the 800 kVA substation includes a high-performance oil-cooled transformer, medium-voltage switchgear (RMU), and low-voltage distribution panel—all within a compact footprint suitable for limited-space or high-density locations.
🔍 Key Features:
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Transformer Rating: 800 kVA, 11000V/415V, 50Hz, Dyn11 vector group
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Cooling System: ONAN (Oil Natural Air Natural)
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Construction: Welded cover with aluminum windings, corrosion-resistant finish
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HT Switchgear: ABB, Schneider, or Actom RMUs – available in oil, SF6, air, or vacuum types
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LV Panel Includes:
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1000A MCCB
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Earth and neutral busbars
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Ammeters with CTs
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Voltmeter with selector switch
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Optional: MD kWh meter and cable feeder MCCBs
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Enclosure Finish: Avocado Green or other SANS-approved colors
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Protection: Rating plate, oil gauge, thermometer pocket, optional EFI+CT
✅ Benefits:
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Compact High Power: Ideal for heavy-duty electrical loads in areas with limited installation space
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All-in-One Design: Integrates transformer, switchgear, and control components in one enclosure
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Quick Setup: Delivered preassembled and tested to reduce on-site construction time
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Durability: Engineered for inland and industrial environments with minimal maintenance
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Custom Options Available: Tailor configuration to project-specific voltage, protection, and layout requirements
Whether for new infrastructure or upgrades to existing systems, the Retrolex 800 kVA miniature substation offers dependable power distribution with high efficiency and a small footprint.


















