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ABB Distribution Transformers Up to 36 kV | 50 kVA – 10 MVA
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🔍 Product Overview
ABB Distribution Transformers are engineered for medium-voltage (MV) power distribution applications up to 36 kV, delivering stable, efficient energy to utilities, commercial centers, industries, and infrastructure projects. Designed to meet global and local performance standards, these units are available in oil-immersed and dry-type configurations with ratings from 50 kVA to 10 MVA, offering versatile, low-loss, and long-lasting performance.
Whether for indoor substations, outdoor installations, or renewable energy integration, ABB’s MV transformers provide robust insulation, superior thermal behavior, and optional smart monitoring.
Description
Reliable Power for Medium Voltage Networks | Up to 36 kV | 50 kVA – 10 MVA
📞 Call Us: +254 707 122 122 | 🌐 Buy Online at: shopstemaengineering.com
📐 Technical Specifications
| Feature | Details |
|---|---|
| Voltage Rating | Primary: Up to 36 kV Secondary: 400 V–11 kV |
| Power Rating | 50 kVA – 10,000 kVA (10 MVA) |
| Insulation Type | Mineral oil / Natural ester / Dry resin |
| Cooling Type | ONAN, ONAF (oil-filled) / AN (dry-type) |
| Phases | 3-phase standard (1-phase on request) |
| Tapping Range | ±2×2.5% or ±5% (Off-Circuit or OLTC) |
| Standards | IEC 60076 / IEEE / ANSI |
| Efficiency | Up to 99.5% |
| Temperature Rise | 55°C / 65°C (Custom available) |
| Enclosure Options | Indoor / Outdoor (IP23 – IP54) |
| Frequency | 50 Hz / 60 Hz |
🌟 Key Features
🔋 High Efficiency & Low Losses
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Energy-efficient core and windings reduce operating costs.
🌍 Eco-Friendly Options
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Natural ester insulation available for fire safety and environmental compliance.
📈 High Reliability
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Proven ABB design reduces failure rates and maximizes uptime.
🛡️ Safety & Compliance
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Integrated protection: Buchholz relay, pressure relief valves, temperature indicators.
🔧 Customizable Design
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Tap changers, bushings, tank types, and enclosures tailored to client requirements.
🏭 Ideal Use Cases
| Sector | Applications |
|---|---|
| Power Utilities | Rural & urban distribution substations |
| Commercial Buildings | Shopping malls, hospitals, and data centers |
| Industrial Plants | Medium-voltage process power |
| Renewable Energy | Solar and wind integration transformers |
| Real Estate & Estates | Large gated community electrification |
| Infrastructure Projects | Airports, railways, ports |
🆚 ABB Oil-Immersed vs Dry-Type Transformers
| Feature | Oil-Immersed | Dry-Type (Resin Cast) |
|---|---|---|
| Cooling Medium | Mineral Oil / Ester | Air / Epoxy Resin |
| Fire Risk | Requires containment | Self-extinguishing, safer indoors |
| Application Area | Outdoors / Substations | Indoors / Sensitive environments |
| Maintenance | Oil testing required | Low maintenance |
| Cost | Lower upfront cost | Slightly higher but safer indoors |
| Size & Weight | Heavier (due to tank, oil) | More compact |
⚙️ Customization Options
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Tap Changer Type: Off-load / On-load tap changer
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Insulation Fluid: Mineral oil / Envirotemp FR3 / Silicone
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HV & LV Bushings: Cable boxes, plug-in bushings, or air-insulated bushings
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Monitoring Options: Temperature gauges, DGA sensors, smart IoT modules
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Enclosures: Mild steel, stainless steel, galvanized – with optional IP ratings
📦 Sample Models & Lead Time
| Model | Power Rating | Voltage Class | Type | Lead Time |
|---|---|---|---|---|
| ABB Trihal 400/11kV | 500 kVA | 11/0.4 kV | Dry-Type | ✅ In Stock |
| ABB Oil-Immersed 36/0.4 kV | 1,600 kVA | 33/0.4 kV | Oil-Filled | 🔄 4–6 weeks |
| ABB 33/11 kV Substation TX | 5 MVA | 33/11 kV | Oil-Filled | 🔄 6–8 weeks |
| ABB Pole-Mounted TX | 100 kVA | 11/0.4 kV | Oil-Filled | ✅ Available |
✅ Compliance & Certifications
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✔️ IEC 60076-1 to 60076-14 compliant
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✔️ ISO 9001, ISO 14001, ISO 45001 certified
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✔️ KPLC / REA / KETRACO approved for utility integration
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✔️ EcoDesign 2021 EU Tier 2 efficiency optional
🔧 Installation & Services
At Shop Stema Engineering, we offer:
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📐 Transformer sizing and site survey
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🚚 Delivery and crane unloading
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🧰 Installation and commissioning by certified technicians
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🛡️ Maintenance contracts and spare parts
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📈 Load studies and power audits on request
📞 Get a Quote Now
Looking for dependable, efficient, and standards-compliant distribution transformers in Kenya or East Africa?
📞 Call / WhatsApp: +254 707 122 122
📧 Email: info@stemaengineering.com
🛒 Buy or Request a Quote at: www.shopstemaengineering.com
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