15515673159
China Suppliers Factory Low Noise SCB10 10kV Epoxy Resin Dry-Type Transformer with Energy Efficiency
Product Features
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Partial Discharge
≤ 5 pC
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Short-term Overload
120% Capacity
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Volume Reduction
> 40% vs Oil Type
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AF Cooling Boost
> 30% Efficiency
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Flame Retardant
GB/T 10217-2018
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Maintenance
Fully Sealed / Free
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This epoxy resin cast dry-type transformer integrates advanced technology and high-quality materials, delivering excellent electrical performance, mechanical stability, and environmental adaptability. It is widely suitable for industrial parks, commercial complexes, municipal infrastructure, high-rise buildings, and similar applications, particularly for installation in load centers with strict requirements for safety, environmental protection, and space utilization.
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The product features a differentiated conductor design. The high-voltage winding uses high-conductivity enameled copper wire with a high-temperature-cured insulation layer, offering high dielectric strength and stability. The low-voltage winding is wound with high-purity copper foil, providing ample cross-section, enhanced current capacity, and optimized heat dissipation. The windings are vacuum-impregnated with imported unfilled epoxy resin, forming a solid, bubble-free structure after curing. This ensures high mechanical strength, resistance to short-circuit forces, and extremely low partial discharge (≤5 pC).
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The epoxy resin meets the flame-retardant requirements of GB/T 10217-2018. It is non-flammable, emits no toxic gases, and contains no volatile pollutants, allowing for safe indoor installation without a separate transformer room. The moisture-resistant insulation and specially treated core and clamps enable reliable operation in harsh conditions (e.g., 100% humidity, high temperatures, dusty environments), even after intermittent use without drying.
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The transformer exhibits strong short-circuit and lightning impulse withstand capability, along with a 120% short-term overload capacity. Its thin insulation layers and conductive materials promote efficient cooling via natural air (AN); an optional forced air (AF) system can increase cooling efficiency by over 30%. The core is made of low-loss silicon steel, reducing no-load and load losses significantly below national standards for enhanced energy savings.
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Fully sealed and maintenance-free, it eliminates oil leakage risks. Compared to traditional oil-immersed transformers, its volume and weight are reduced by over 40% and 30%, respectively, allowing flexible installation in compact spaces with minimal foundation work.
Product Specifications
| Rated Capacity (KVA) |
No-load Loss (W) |
Load Loss (120℃)(W) |
Short-circuit Impedance(%) |
No-load Current (%) |
Sound Level (LPA)(dB) |
Weight(kg) |
| 30 | 360 | 1050 | 6.5 | 3.0 | 52 | 680 |
| 50 | 440 | 1300 | 2.5 | 53 | 720 | |
| 80 | 510 | 1740 | 2.0 | 55 | 810 | |
| 100 | 650 | 1990 | 1.8 | 56 | 890 | |
| 125 | 750 | 2430 | 1.8 | 58 | 950 | |
| 160 | 850 | 2785 | 1.8 | 58 | 1000 | |
| 200 | 950 | 3040 | 1.8 | 59 | 1260 | |
| 250 | 1070 | 3485 | 1.8 | 59 | 1420 | |
| 315 | 1290 | 3840 | 1.6 | 61 | 1730 | |
| 400 | 1520 | 4960 | 1.6 | 62 | 1840 | |
| 500 | 1750 | 6080 | 1.4 | 63 | 2200 | |
| 630 | 2050 | 7080 | 1.4 | 63 | 2630 | |
| 800 | 2400 | 8400 | 1.2 | 66 | 3260 | |
| 1000 | 2690 | 9660 | 1.0 | 66 | 3990 | |
| 1250 | 3140 | 11695 | 0.8 | 67 | 4470 | |
| 1600 | 3590 | 14210 | 0.8 | 68 | 5570 | |
| 2000 | 4220 | 16730 | 0.7 | 69 | 6410 | |
| 2500 | 4940 | 20035 | 0.7 | 73 | 6930 |
Detail Pictures
Frequently Asked Questions
Q What is an epoxy resin cast dry-type transformer and where is it typically used?
An epoxy resin cast dry-type transformer uses vacuum-impregnated epoxy resin to encapsulate the windings, forming a solid, moisture-resistant insulation structure without oil. It is typically used in industrial parks, commercial complexes, municipal infrastructure, high-rise buildings, and other environments where safety, environmental protection, and space efficiency are critical priorities.
Q What makes this transformer safe for indoor installation without a dedicated transformer room?
The epoxy resin used in this transformer meets the flame-retardant requirements of GB/T 10217-2018. It is non-flammable, emits no toxic gases, and contains no volatile pollutants. These properties make it safe for direct indoor installation without requiring a separate transformer room, significantly reducing construction and space costs.
Q What is the partial discharge level of this transformer and why does it matter?
The partial discharge level of this transformer is extremely low at ≤5 pC (picocoulombs). Low partial discharge is a key indicator of insulation quality — it means the epoxy resin encapsulation is bubble-free and structurally sound, ensuring long-term electrical reliability, reduced insulation aging, and enhanced operational safety.
Q Can this transformer operate reliably in harsh environmental conditions?
Yes. The moisture-resistant epoxy insulation and specially treated core and clamps allow reliable operation in environments with up to 100% relative humidity, high temperatures, and dusty conditions. The transformer can even resume normal operation after intermittent use without the need for pre-drying procedures.
Q What cooling methods are available and how effective are they?
The transformer supports natural air cooling (AN) as the standard method, utilizing thin insulation layers and optimized conductive materials for efficient heat dissipation. An optional forced air cooling (AF) system is also available, which can increase the overall cooling efficiency by more than 30%, enabling higher load capacity in demanding applications.
Q How does this dry-type transformer compare to traditional oil-immersed transformers in terms of size and maintenance?
Compared to traditional oil-immersed transformers, this epoxy resin cast dry-type transformer offers a volume reduction of over 40% and a weight reduction of over 30%. It is fully sealed and maintenance-free, completely eliminating the risk of oil leakage. This makes it ideal for installation in compact spaces with minimal civil foundation work required.