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The 10kV SCB14 series represents the cutting edge of full-copper dry-type transformers, meticulously developed to exceed strict modern energy regulations. Utilizing a highly optimized full-copper winding structure and a low-loss high-grade silicon steel core, it proudly achieves Tier 1 (NX1) energy efficiency under the GB 20052-2024 standards. Entirely oil-free, highly flame-retardant, and delivering remarkably low noise, it is the ultimate distribution solution for demanding indoor environments, including commercial skyscrapers, municipal facilities, data centers, and modern industrial plants.
Core Parameters:
• Energy Efficiency: Tier 1 Efficiency (NX1), reducing no-load losses by over 20%~35% compared to legacy models.
• Structure: Full Copper Windings + Vacuum Resin Cast (IP40 custom enclosures available).
• Warranty: 5-Year Comprehensive Warranty with 24-hour rapid technical response.
Manufacturer Core Advantages

Fully compliant with GB 20052-2024 Tier 1. SCB14 structural optimization drastically slashes no-load losses by 20%~30% compared to SCB11, offering immense lifetime electrical savings.

State-of-the-art vacuum resin casting ensures internal air gaps are obliterated, achieving a partial discharge of ≤5pC. Guarantees supreme insulation integrity and safety.

100% oil-free design using premium flame-retardant epoxy resin. It functions as a self-extinguishing barrier, eliminating all explosion hazards in densely populated indoor spaces.

Features uncompromised full-copper winding materials, delivering exceptionally low electrical resistance, stable load performance, and robust short-circuit withstand capabilities.

Available as a space-saving open unit or enclosed in high-grade IP40 steel casings to block dust and moisture in harsh environments, featuring securely sealed cable ports.

Can be seamlessly equipped with smart monitoring modules for real-time remote tracking of winding temp and load currents, elevating the digital management of the substation.

Enjoy full-lifecycle support including precise pre-sales capacity modeling, factory inspection invitations, and a guaranteed rapid technical response for any operational inquiries.
Key Specifications (Tier 1 NX1 SCB14 Series)
| Parameter | Typical Value | Description |
| Energy Efficiency | Tier 1 (GB 20052-2024 NX1) | Top-tier energy savings designed for continuous 10kV indoor distribution grids. |
| Rated Voltage | HV: 10kV LV: 0.4kV | Highly precise distribution output to directly power 3-phase commercial and industrial grids. |
| No-Load Loss | Approx. 0.2kW ~ 1.8kW | Exceptional reduction in idle energy waste via high-grade CRGO silicon steel. |
| Load Loss (140℃) | Approx. 1.5kW ~ 11.0kW | Superb energy conversion efficiency under heavy loads due to optimized full-copper windings. |
| Partial Discharge | ≤ 5pC | Industry-leading internal insulation purity, drastically reducing electrical breakdown risks. |
| Protection Structure | IP00 (Open) / IP40 (Enclosed) | Supplied with optional protective casings tailored to your specific indoor substation conditions. |
Full Series Technical Reference (SCB14 Platform)
| Capacity (kVA) | Impedance (%) | No-Load Loss (W) | Load Loss (W) | Total Weight (kg) | Dimensions W×D×H (mm) |
| 50 | 4.0 | 150 | 750 | 320 | 850×650×950 |
| 100 | 4.0 | 200 | 1300 | 550 | 950×700×1000 |
| 250 | 4.0 | 350 | 2500 | 1050 | 1150×800×1150 |
| 500 | 4.0 | 580 | 4500 | 1700 | 1300×950×1300 |
| 800 | 4.5 | 850 | 6600 | 2300 | 1400×1000×1400 |
| 1250 | 4.5 | 1180 | 9800 | 3200 | 1550×1100×1550 |
| 1600 | 4.5 | 1450 | 11800 | 3800 | 1650×1150×1650 |
| 2000 | 4.5 | 1750 | 14500 | 4500 | 1750×1250×1800 |
| 2500 | 4.5 | 2150 | 17500 | 5300 | 1850×1300×1900 |
| 3150 | 4.5 | 2650 | 21500 | 6500 | 2000×1400×2100 |
* The table above represents the highly optimized SCB14 structural platform. As Tier 1 (NX1) models, losses (No-Load/Load Watts) are strictly guaranteed to be substantially lower than legacy models (like SCB10/11).
FAQ
Upgrading to the SCB14 Tier 1 (NX1) Full Copper series provides massive operational and economic advantages:
1) Unmatched Energy ROI: The SCB14 series reduces no-load losses by roughly 20%~30% and overall load losses by 35% compared to the older SCB11 models. Over a typical 25-year operational lifespan, this translates to tens of thousands of dollars saved in electricity bills.
2) Superior Thermal Reliability: Full copper windings generate significantly less heat under heavy loads compared to aluminum. This prevents the resin insulation from thermal aging, meaning the transformer easily handles severe load spikes without tripping or degrading.
3) Compliance & Subsidies: Modern infrastructure regulations are increasingly mandating Tier 1 energy efficiency. Installing an SCB14 ensures your facility is fully compliant with the latest GB 20052-2024 standards, often qualifying your project for green-building points or energy-saving subsidies.
The dry power transformer does not use flammable insulating oil, bringing lower fire risk and simpler maintenance. This dry type power transformer can be installed indoors near load points. It features stable performance, low noise and compact structure, suitable for shopping malls, hospitals and metro projects with strict safety requirements.
Our dry type power transformer uses high-quality epoxy resin for vacuum casting. The resin forms a solid insulation layer to protect windings from moisture, dust and chemical corrosion. It ensures good dielectric strength and long service life even under harsh ambient conditions in industrial and commercial application scenarios.
Yes. The epoxy cast windings of the dry type power transformer have strong moisture resistance. When the relative humidity rises, the solid insulation will not absorb water quickly. We can also add heating dehumidification devices as optional parts to guarantee reliable operation in coastal and damp workshop environments.
Every dry type power transformer undergoes a full set of factory tests, including winding resistance measurement, voltage ratio test, partial discharge test and temperature rise test. All test data comply with international standards. We provide complete test reports together with products for customer inspection and project acceptance.

Whatsapp: +86-13961294414
E-mail: junqiu.wang@czguanghui.cn
jocelyn.duan@czguanghui.cn
ADD: No. 1, Yulong Middle Road, Xuejia Town, Xinbei District, Changzhou City, China
Mobile: 0086-15380068868