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Eaton Dry-Type Transformers (Up to 34.5 kV | 15 – 10,000+ kVA)
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🧭 Product Overview
Eaton Dry-Type Transformers are designed for environments that demand fire safety, minimal maintenance, and high-performance power distribution without the use of oil or other liquid coolants. With ratings of 15 kVA up to over 10,000 kVA and voltages up to 34.5 kV, these transformers are the perfect solution for indoor installations, data centers, hospitals, factories, commercial buildings, and renewable energy projects.
They feature Vacuum Pressure Impregnation (VPI) or Cast Resin (CRT) insulation systems for enhanced reliability, even under demanding operating conditions such as high humidity, corrosive atmospheres, or high-traffic areas.
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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