The YB Series Pre-installed Box-Type Substation (also known as a European-style substation) is a compact, factory-assembled power distribution solution. It integrates high-voltage switchgear, a distribution transformer, and a low-voltage distribution system into a single, weather-resistant, and aesthetically pleasing enclosure.
Designed for 11kV, 22kV, and 33kV networks, the YB series is the definitive "plug-and-play" solution for urban grids, residential complexes, and large-scale industrial sites. By consolidating three major components into one unit, it significantly reduces the land area required for power infrastructure and slashes on-site installation time by up to 80% compared to traditional civil substations.
Integrated Turnkey Design: Factory-wired and pre-tested. On-site requirements are limited to foundation preparation and cable termination, ensuring rapid project commissioning.
Intelligent Monitoring System: Features advanced digital relays and communication modules (RS485/Modbus) for real-time tracking of transformer temperature, load data, and fault alarms via SCADA.
Environmental Resilience: The enclosure is available in stainless steel, aluminum alloy, or GRC (Glass-fiber Reinforced Concrete), offering superior protection against UV, corrosion, and extreme temperatures (-40°C to +45°C).
Compact Footprint: Ideal for space-constrained urban environments, public parks, and narrow industrial corridors where a full-scale substation building is not feasible.
Multi-Compartment Safety: Features distinct, fire-walled compartments for High-Voltage (HV), Transformer, and Low-Voltage (LV) equipment, preventing fault propagation and ensuring operator safety.
| Feature | Detailed Specifications |
| Rated Voltage (HV) | 10kV / 11kV / 22kV / 33kV / 35kV |
| Rated Voltage (LV) | 0.4kV / 400V / 415V |
| Rated Capacity | 630kVA, 1000kVA, 1600kVA, 2500kVA, 3150kVA |
| Transformer Type | Oil-Immersed or Dry-Type (Cast Resin) |
| HV Switchgear Type | SF6 Ring Main Unit (RMU) or Load Break Switch |
| Enclosure Material | Stainless Steel / Al-Zn Alloy / Composite (GRC) |
| Protection Degree | IP33 / IP44 / IP54 (Customizable) |
| Standard Compliance | IEC 61330, IEC 62271-202, CE |
Urban Power Grids: Reliable secondary distribution for high-density residential areas and metropolitan commercial hubs.
Renewable Energy Sites: Serving as the central collection substation for solar PV farms and onshore wind projects.
Industrial Parks: Dedicated power supply for factories, mining facilities, and manufacturing clusters.
Temporary Infrastructure: Ideal for large-scale construction sites or oil/gas drilling rigs where mobile power is required.
Total Customization: We offer a wide range of enclosure finishes (including wood-grain or stone-texture) to help the substation blend into park landscapes or architectural environments.
Optimal Thermal Management: Equipped with intelligent temperature-controlled forced-air cooling and high-performance thermal insulation to prevent internal condensation and overheating.
Superior Safety Interlocks: Every unit features a comprehensive "Five-Prevention" mechanical interlocking system to eliminate operator errors during maintenance.
Global Component Support: We can integrate preferred switchgear and breaker brands, including ABB, Schneider, or Siemens, ensuring global compatibility and spare parts availability.
Q: Can this substation be used in coastal areas?
A: Yes. For coastal or highly corrosive environments, we provide SS316 stainless steel enclosures with specialized C5-M marine-grade anti-corrosion coatings.
Q: What is the lead time for a 1250kVA unit?
A: Standard configurations typically ship within 6 to 8 weeks following drawing approval.
Q: Does it support remote switching?
A: Absolutely. By integrating motorized actuators and smart RTUs, the substation can be operated remotely via your centralized control room (SCADA).


YB intelligent pre-installed substation
This series of intelligent box substation is by the high voltage unit, power transformer, low voltage unit, measurement unit and intelligent system, optimize the combined into a complete intelligent power supply complete sets of equipment, its function, wide use, more safe and reliable operation, nice appearance, and has convenient installation, covers an area of less, less maintenance, less investment, quick effect, long service life, etc. It can be used as transformer and distribution equipment for urban buildings, residential areas, municipal facilities, factories, mines, highways, wharves, oil fields and temporary electricity departments and places.
























