630kVA Miniature Substation
Space-saving 630 kVA mini substation for 11kV to 415V applications. Combines transformer, HT switchgear, and LV panel in a single compact unit—ideal for high-density and industrial installations.
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630kVA Miniature Substation – Compact, Integrated Power Distribution for Space-Constrained Environments
The 630kVA Miniature Substation from Retrolex is a compact, factory-assembled, fully integrated power solution designed to safely step down 11,000V medium-voltage input to 415V low-voltage output. Engineered specifically for urban infrastructure, industrial zones, commercial complexes, and public utilities, this substation combines a transformer, HT switchgear, and LV distribution panel into one durable enclosure, ensuring reliable power delivery even in space-constrained sites.
With its space-saving layout, the 630 kVA Miniature Substation is ideal where installation space is limited but reliability and performance cannot be compromised. It delivers consistent power, enhanced safety, and streamlined maintenance, meeting the stringent demands of both public and private sector power projects.
Key Features:
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Transformer Rating: 630 kVA, 11,000V/415V, 50Hz, Dyn11 vector group
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Cooling Type: ONAN (Oil Natural Air Natural)
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Construction: Welded steel tank, aluminum windings, corrosion-resistant coating
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HT Switchgear: Oil/SF6/Vacuum/Air insulated; RMU options from ABB, Schneider, or Actom
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LV Compartment: 1000A MCCB, 3-phase + neutral busbar, Earth busbar, Ammeters with CTs, Voltmeter with selector switch
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Optional: MD kWh meter and cable feeder MCCBs
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Protection Devices: Oil gauge, thermometer pocket, rating plate, optional EFI+CT system
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Enclosure Finish: Avocado Green or any SANS-approved color
Benefits:
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Integrated Design: Transformer, HT, and LV in one compact unit to save space and simplify installation
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Optimized for Tight Spaces: Perfect for high-density developments or retrofits
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Quick Installation: Factory-tested and preassembled for faster deployment
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Rugged and Reliable: Built with weatherproof, low-maintenance materials for long-term operation
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Flexible Configuration: Supports custom switchgear and metering options
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Safety-Focused: Fully enclosed, arc-type tested, compliant with international electrical standards
From urban neighborhoods to industrial parks, the Retrolex 630 kVA Miniature Substation ensures dependable performance, simplified installation, and efficient space utilization for medium-voltage power distribution.
