Description
Safe, Reliable & Eco-Friendly | Up to 36 kV | 50 – 10,000 kVA
📞 Call Us: +254 707 122 122 | 🛒 Order Now at: shopstemaengineering.com
📐 Technical Specifications
| Parameter | Value / Description |
|---|---|
| Power Rating | 50 – 10,000 kVA |
| Primary Voltage | Up to 36 kV |
| Secondary Voltage | Typically 400V / 415V / Custom |
| Frequency | 50 Hz / 60 Hz |
| Cooling Type | AN (Air Natural) / AF (Air Forced) |
| Insulation Class | Class F / H / VPI / Cast Resin |
| Winding Material | Copper or Aluminum |
| Protection Degree | IP00 (standard), IP21, IP23, up to IP54 (optional enclosures) |
| Temperature Rise | 80°C, 115°C or 150°C options |
| Standards | IEC 60076-11, ANSI, UL 1562, ISO 9001/14001/45001 |
🌟 Key Features
🔥 Fire-Safe Design
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No flammable oil – ideal for indoor or high-risk environments
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Self-extinguishing insulation (Class F/H)
♻️ Eco-Friendly Operation
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No risk of oil leaks or contamination
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Low noise and vibration levels
💪 Rugged & Durable
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Excellent thermal shock resistance
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Operates reliably in dusty, humid, or corrosive environments
🛠 Low Maintenance
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No need for oil testing, containment basins, or filtering
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Long service life with reduced downtime
🏭 Applications
| Industry / Sector | Use Case |
|---|---|
| Commercial Buildings | Elevators, HVAC, lighting, UPS loads |
| Industrial Plants | Motors, production lines, automation systems |
| Hospitals & Data Centers | Clean power delivery, high reliability |
| Marine & Offshore | Enclosed dry-type transformers in confined spaces |
| Tunnels / Subways | Fire-resistant, low-maintenance power delivery |
| Renewable Energy | Integration with solar inverters and battery systems |
| Airports / Railways | Electrification systems, air traffic and rail operations |
🆚 Comparison Table: Dry-Type vs Oil-Filled Transformers
| Feature | Dry-Type | Oil-Filled |
|---|---|---|
| Cooling Medium | Air | Mineral or ester oil |
| Fire Hazard | 🔥 Very Low | ⚠️ Moderate to High |
| Environmental Impact | ✅ Clean (no spill risk) | ❌ Risk of leakage |
| Maintenance | ✅ Minimal | ⚠️ Requires oil testing |
| Installation | Indoors or outdoors | Typically outdoor only |
| Initial Cost | Slightly Higher | Lower |
| Life Expectancy | 20+ Years | 25+ Years |
| Preferred Use Cases | Hospitals, schools, malls | Utilities, substations |
⚙️ Configurable Options Available
| Option | Availability |
|---|---|
| Cast Resin Insulation | ✅ Yes |
| Vacuum Pressure Impregnation | ✅ Yes |
| Enclosed IP21/IP23 Cabinets | ✅ Yes |
| Temperature Sensors (PT100) | ✅ Optional |
| Smart Monitoring Systems | ✅ Optional |
| Forced Cooling Fans | ✅ Available for high-load |
| Anti-Vibration Mounts | ✅ Optional |
📦 Models & Availability
| Model Range | Power Rating | Primary Voltage | Application | Lead Time |
|---|---|---|---|---|
| Dry-Type CR Series | 100 – 2500 kVA | Up to 33 kV | Indoor commercial use | ✅ In Stock |
| Dry-Type H-Class VPI | 2500 – 5000 kVA | Up to 36 kV | Hospitals, Data Centers | 🔄 4 – 6 weeks |
| Cast Resin Enclosed | 500 – 3000 kVA | Up to 33 kV | Marine, mining, tunnels | 🔄 6 – 8 weeks |
| Custom Outdoor Units | 1000 – 10,000 kVA | Up to 36 kV | Renewables, Utilities | 🔄 8 – 12 weeks |
🔧 Why Buy from Shop Stema Engineering?
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🏭 Factory-Certified Schneider & ABB Distributor
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🛠 Custom Engineering to Suit Site Conditions
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🚛 Nationwide & East African Delivery
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⚙️ On-Site Installation, Testing & Commissioning
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👨🔧 Annual Maintenance & Emergency Support Plans
📄 Standards & Certifications
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✅ IEC 60076-11 (Dry-Type Transformers)
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✅ ISO 9001 – Quality Management
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✅ ISO 14001 – Environmental Management
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✅ ISO 45001 – Occupational Health & Safety
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✅ UL 1562 – Dry-Type Transformers (US Market)
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✅ Seismic Certified Options Available
📞 Contact Us for Quotes & Technical Specs
Looking for indoor-safe, low-maintenance, and high-efficiency power distribution? Choose Dry-Type Transformers for your next project.
📞 Call or WhatsApp: +254 707 122 122
📧 Email: info@stemaengineering.com
🌍 Website: shopstemaengineering.com
🛒 Submit an RFQ Today – Bulk Discounts Available!
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