Description
Safe, Efficient, and Eco-Friendly Power Distribution (Up to 34.5 kV | 15 – 10,000+ kVA)
📞 Call/WhatsApp: +254 707 122 122 | 🌐 shopstemaengineering.com
⚙️ Technical Specifications
| Feature | Details |
|---|---|
| Power Rating | 15 kVA – 10,000+ kVA |
| Voltage Class | Up to 34.5 kV (primary) / 208 V – 15 kV (secondary) |
| Phases | Three-phase (single-phase on request) |
| Cooling Type | AN (Air Natural), AF (Air Forced) |
| Insulation System | Class 220°C (H), 150°C rise (standard) |
| Construction | Open ventilated, enclosed, cast coil, or VPI |
| Frequency | 50 Hz / 60 Hz |
| Taps | +/- 2 x 2.5% or +/- 5% |
| Mounting | Floor-mounted / Skid-mounted / Enclosed |
| Standards | ANSI C57, IEEE, IEC 60076, CSA, UL Listed/Recognized |
🏆 Key Features & Benefits
✅ Fire-Safe & Non-Flammable
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Ideal for indoor, high-density, or people-facing applications
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No risk of oil leaks or combustion
🌿 Environmentally Friendly
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No oil or fluid—eliminates environmental contamination risks
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Fully recyclable materials used in coils and core
🛡️ Rugged and Reliable
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Withstands harsh environments: dust, chemicals, vibration, or marine conditions
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Cast resin options provide exceptional moisture and corrosion resistance
🔧 Low Maintenance
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No oil changes, leak checks, or containment systems required
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Routine inspection is typically sufficient
🧩 Configurable to Your Needs
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Customized enclosures (NEMA 1/3R/4), voltage ratios, taps, and winding materials
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Compatible with smart monitoring and arc-flash mitigation solutions
🧪 Available Construction Types
| Type | Best Use Case | Cooling |
|---|---|---|
| VPI (Vacuum Pressure Impregnated) | Standard indoor industrial use | Air-cooled (AN) |
| CRT (Cast Resin Transformer) | Harsh, corrosive, or humid environments | Air-cooled (AN) |
| Ventilated Dry-Type | Utility/commercial substations | AN or AF |
| Encapsulated Transformers | Limited space or mobile units | Air-cooled |
🆚 Eaton vs Other Brands
| Feature | Eaton Dry-Type Transformers | Other Brands |
|---|---|---|
| Efficiency | ✅ Meets/exceeds DOE & IEC standards | 🔸 May vary widely |
| Thermal Performance | ✅ Class H insulation (220°C) | 🔸 Class F or lower in some |
| Fire & Environmental Safety | ✅ No liquids; UL Recognized | ⚠️ Oil may still be used |
| Durability | ✅ Cast or VPI construction options | 🔸 Limited ruggedization |
| Customizability | ✅ High (taps, enclosure, windings) | 🔸 Often limited |
🏭 Applications & Industries
| Sector | Application |
|---|---|
| Commercial Buildings | Main power distribution, elevator power, HVAC |
| Hospitals & Airports | Critical load distribution, low-noise indoor transformers |
| Renewable Energy | Wind/solar inverter interfacing, microgrid distribution |
| Industrial Plants | Load centers, motor control, variable speed drives (VFDs) |
| Data Centers | UPS input/output transformers, isolation transformers |
| Marine & Mining | Harsh environment applications (cast resin) |
🧾 Sample Eaton Dry-Type Models
| Model | Rating (kVA) | Primary / Secondary Voltage | Construction | Use Case |
|---|---|---|---|---|
| VPI-500-15/0.48 | 500 kVA | 15 kV / 480 V | VPI | Commercial distribution |
| CRT-1000-33/0.48 | 1000 kVA | 33 kV / 480 V | Cast Resin | Data center or hospital |
| VPI-3000-11/6.6 | 3000 kVA | 11 kV / 6.6 kV | VPI | Industrial motor loads |
| CRT-7500-34.5/13.8 | 7500 kVA | 34.5 kV / 13.8 kV | Cast Resin | Utility or renewable grid |
📦 Why Choose Shop Stema Engineering?
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🇰🇪 Local support in Kenya with technical consultation and post-sale service
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🧰 Turnkey project support: design, delivery, installation & commissioning
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📐 Transformer sizing & custom build services
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📝 Full documentation: drawings, data sheets, certifications, FAT reports
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⚙️ Optional add-ons: surge protection, metering, remote monitoring
📞 Get a Quote or Site Visit Now
Whether you’re installing a new substation or upgrading a commercial building, Eaton Dry-Type Transformers from Shop Stema Engineering deliver safety, durability, and energy efficiency—without compromise.
📞 Call/WhatsApp: +254 707 122 122
📧 Email: info@stemaengineering.com
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