1000kVA Miniature Substation – Reliable High-Capacity Power Distribution

The 1000kVA Miniature Substation from Retrolex is a robust, factory-integrated power solution. It is engineered to step down 11,000V medium voltage to 420V low voltage, making it ideal for large-scale commercial, industrial, and infrastructure applications. By combining a high-capacity oil-immersed transformer, reliable high-voltage switchgear, and a low-voltage distribution panel into a single durable enclosure, this substation delivers consistent, high-quality power for manufacturing facilities, data centers, hospitals, and other mission-critical electrical networks.

Designed for both efficiency and safety, this all-in-one system simplifies installation, reduces on-site labor, and minimizes potential errors during setup. Furthermore, its compact, preassembled design enables faster deployment while maintaining compliance with international electrical standards. The substation’s rugged construction, advanced protection features, and energy-efficient ONAN cooling system ensure stable performance even under fluctuating loads and challenging environmental conditions. In addition, it integrates easily with existing infrastructure and can be customized to meet project-specific requirements, including optional metering, remote monitoring, and tailored switchgear configurations.

Overall, the Retrolex 1000 kVA Miniature Substation provides a reliable, efficient, and flexible power distribution solution. It supports uninterrupted operation, enhances safety, reduces operational costs, and ensures long-term durability in demanding industrial and commercial environments.

ances safety, reduces operational costs, and ensures long-term durability in demanding industrial and commercial applications.

Key Features

• Transformer Rating: 1000kVA, 11,000V/420V, 50Hz, Dyn11 vector group

• Cooling Method: ONAN (Oil Natural Air Natural) for energy-efficient operation

• Construction: Welded tank, aluminum windings, weather-resistant steel enclosure

• HT Switchgear: ABB, Schneider, or Actom RMU options – SF6, oil, air, or vacuum types

• LV Panel Includes: 1600A MCCB, 3-phase + neutral busbar, Earth bar, Ammeters with CTs, Voltmeter with selector switch, Optional MD kWh meter, cable feeder MCCBs, streetlight feed

• Enclosure Finish: Avocado Green or SANS-approved color options

• Protection Equipment: Rating plate, oil gauge, thermometer pocket, optional EFI+CT

Benefits

• High-Capacity Output: Reliable voltage regulation for extensive electrical loads

• Compact All-in-One Design: Preassembled transformer, HT, and LV sections for easy installation

• Ideal for Large Projects: Supports continuous power for critical infrastructure

• Durable Construction: Rugged design suitable for industrial and commercial environments

• Customizable Configuration: Switchgear, metering, and protection tailored to project requirements

From energy-intensive operations to complex infrastructure projects, the Retrolex 1000 kVA Miniature Substation delivers reliable, efficient, and high-performance power distribution in a compact, all-in-one solution.