Application

Modern commercial buildings – office towers, shopping malls, hospitals, airports, hotels, schools, and transportation hubs – depend entirely on a reliable and safe electrical infrastructure. At the heart of every such facility lies the power distribution transformer. At Shandong Kerui Transformer Co., Ltd. , we provide advanced, low-loss, and fire-safe transformer solutions tailored specifically for commercial buildings and critical infrastructure projects.

Why Commercial Buildings Need Specialized Transformers
Unlike industrial plants, commercial buildings demand transformers that are:

• Quiet operation – to avoid disturbing occupants.

• Fire-safe – dry-type transformers are often mandatory indoors.

• Compact and clean – suitable for basements, mechanical rooms, or indoor substations.

• Energy efficient – reducing HVAC loads and electricity bills.

• Reliable 24/7 – for life-safety systems, elevators, IT servers, and lighting.

Our Transformer Products for Commercial & Infrastructure Applications

1. Dry-Type Transformers – SCB Series (Epoxy Resin Cast)
   – Ideal for indoor installation in buildings.
   – Fire-resistant, self-extinguishing, no risk of oil leakage.
   – Low noise level (<45 dB) and maintenance-free.
   – Available in SCB10, SCB11, SCB12, SCB13, SCB14 (Level 2), and SCB18 (Level 1 energy efficiency).

2. Dry-Type Transformers – SGB Series (Non-Encapsulated / Class H Insulation)
   – Also known as open-type or gas-insulated dry-type transformers.
   – Excellent heat dissipation and overload capacity.
   – Suitable for high ambient temperature environments (e.g., mechanical rooms without air conditioning).

3. Low-Voltage Transformers (Below 1000V)
   – Isolation transformers and control transformers for sensitive equipment (IT, security systems, medical devices).

4. Compact Substations (American-style or European-style Box Substations)
   – Perfect for outdoor infrastructure projects (street lighting, EV charging stations, telecom base stations).
   – Pre-assembled, weatherproof, and vandal-resistant.

Key Advantages of Kerui Transformers for Commercial & Infrastructure

• Safety First: Our dry-type transformers meet the highest fire safety standards (Class F1), making them compliant with building codes for indoor installation.

• Energy Savings: Level 1 (SCB18) and Level 2 (SCB14) transformers significantly reduce no-load losses, contributing to LEED certification and lower operating costs.

• Silent Operation: Specially designed core and winding reduce noise below 45 dB – ideal for hotels, hospitals, and libraries.

• Compact Footprint: Smaller size allows easy integration into electrical rooms.

• Durability: Anti-humidity and anti-pollution design for underground or coastal buildings.

• Custom Voltage: Available in 6KV, 10KV, 20KV, 35KV and low-voltage (0.4KV) configurations.

Typical Applications

• Office buildings & shopping malls – powering lighting, HVAC, escalators.

• Hospitals & medical centers – isolation transformers for life-support equipment.

• Airports & railway stations – redundant transformer banks for critical loads.

• Data centers – high-efficiency dry-type transformers for 24/7 IT operation.

• EV charging infrastructure – compact substations for fast chargers.

• Street lighting & telecom towers – reliable distribution transformers.

Case Example
A 50,000 m² commercial complex in Southeast Asia replaced their old oil-filled transformers with our SCB14 dry-type transformers. The result: 18% reduction in no-load losses, zero fire risk, and noise level dropped from 68 dB to 42 dB, greatly improving tenant comfort.

Conclusion
When you choose Shandong Kerui Transformer Co., Ltd. for your commercial building or infrastructure project, you choose safety, efficiency, and long-term reliability. Our transformers are designed to perform silently and safely for decades, ensuring your facility runs without interruption.