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Indoor Epoxy Resin Dry-Type Transformer SCB1010kV Class 1 Energy Efficiency Low Noise
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Product features
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.
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).
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.
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.
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 |
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FAQ
Find answers to common questions about the SCB10 10kV epoxy resin dry-type transformer, including indoor installation, low-noise performance, energy efficiency, temperature monitoring, enclosure protection and project customization.
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Where is the SCB10 10kV dry-type transformer normally used?
The SCB10 epoxy resin dry-type transformer is suitable for indoor power distribution applications where fire safety, low noise, clean operation, and reduced oil-related maintenance are important. Typical applications include: * High-rise buildings * Commercial centers * Hospitals * Airports * Railway stations * Subways * Industrial plants * Power plants * Substations * Underground electrical rooms It can also be installed close to the load center where appropriate.
What voltage and capacity can be provided?
The SCB10 is designed for **10kV-class medium-voltage systems**. The transformer capacity and secondary voltage can be configured according to project requirements. Please provide: * Required capacity in kVA * Primary voltage * Secondary voltage * Frequency * Load information Our technical team can then review the suitable transformer configuration.
Why is the SCB10 suitable for indoor installation?
The SCB10 does not use insulating oil around the windings. Its epoxy resin cast insulation system makes it suitable for many indoor environments where customers are concerned about: * Fire safety * Oil leakage * Limited installation space * Clean operation * Maintenance requirements The final installation design should still consider ventilation, clearance, temperature, and enclosure requirements.
How is the noise level controlled?
Transformer noise is mainly influenced by the magnetic core, structural design, load conditions, and installation environment. The SCB10 uses an optimized core and structural design to help reduce operating noise. If your project has a specific sound level requirement, please provide the required **dB limit** during technical confirmation.
How does the SCB10 reduce energy losses?
The transformer is designed to reduce no-load and load losses through optimized core, winding, insulation, and manufacturing processes. Lower losses can help reduce long-term energy consumption, especially in applications where the transformer operates continuously. The final guaranteed loss values should be confirmed in the approved technical datasheet.
What cooling methods are available?
The SCB10 can normally use: * **AN – Air Natural cooling** * **AF – Air Forced cooling**, when required Natural air cooling is used for normal rated operation. Forced air cooling can improve heat dissipation and may provide additional short-term loading capability according to the transformer design.
How is the transformer temperature monitored?
The transformer can be equipped with a temperature monitoring and control system. Depending on the configuration, it may provide: * Winding temperature display * Over-temperature alarm * Automatic fan control * High-temperature trip signal * Remote monitoring interface This helps protect the transformer against overheating during abnormal or overload conditions.