Three Phase Dry Type Distribution Transformer 20kV 400kVA SC(B)18-NX1
| 20kV dry-type distribution transformer SC(B)18-NX1 energy efficiency level 1 | ||||||||
| Capacity(kVA) | Voltage Combination | Vector group | No load loss(W)(W) | Full Load Loss (W) | Short Circuit Impedance (%) | |||
| HV(kV) | H.V. Tapping Range | LV(kV) | F(120℃) | H(145℃) | ||||
| 50 | 20 22 24 | ±5%/ ±2×2.5% | 0.4 | Dyn11 Yyn0 | 219 | 1110 | 1180 | 6 |
| 100 | 348 | 1790 | 1920 | |||||
| 160 | 432 | 2220 | 2380 | |||||
| 200 | 470 | 2650 | 2830 | |||||
| 250 | 542 | 3080 | 3290 | |||||
| 315 | 626 | 3670 | 3920 | |||||
| 400 | 742 | 4360 | 4660 | |||||
| 500 | 872 | 5210 | 5570 | |||||
| 630 | 985 | 6160 | 6590 | |||||
| 800 | 1130 | 7430 | 7960 | |||||
| 1000 | 1340 | 8800 | 9360 | |||||
| 1250 | 1534 | 10400 | 11100 | |||||
| 1600 | 1800 | 12400 | 13300 | |||||
| 2000 | 2091 | 14700 | 15800 | |||||
| 2500 | 2503 | 17400 | 18600 | |||||
| 2000 | 2091 | 16000 | 17200 | 8 | ||||
| 2500 | 2503 | 19100 | 20400 | |||||
* Above specification may be changed to improve performance.
* Transformer of other specification than listed above can be made to order.
-
Core Advantages & Application Scenarios
Its key strengths include ultra-low no-load loss (cutting standby energy waste by over 35% versus mid-range models, a major plus for 24/7 operating scenarios), ultra-quiet operation (consistently ≤50dB, compliant with the strictest noise regulations for healthcare and educational facilities), and robust short-circuit resistance—paired with excellent environmental durability (maintaining performance in moderate humidity and dust without frequent maintenance). It is perfectly suited for scenarios where functional performance, energy efficiency, and safety are non-negotiable: hospitals (where quiet, uninterrupted power supports critical medical equipment and patient recovery), elite schools (to avoid noise interfering with teaching and learning), high-end commercial complexes (aligning with luxury branding and green building certifications), and core industrial parks (powering high-precision manufacturing with stable, low-consumption electricity). Over its service life, its superior durability and efficiency not only deliver substantial energy cost savings but also retain higher residual value—making it a wise long-term investment for users prioritizing both performance and asset returns.
Guanggao Transformer is a professional transformer manufacturer. We produce single-phase, three-phase, dry-type, distribution, and high-voltage transers (110 kV and above). We meet IEEE/ANSI/UL/CSA and IEC standards. Guanggao Transformer has nearly 25 years of transformer export experience. The company has modern laboratory construction, such as high-voltage test hall, within which there is a 3000kV lightning impulsforme testing device, and some advanced testing equipment, such as CA-21 moisture analyzer from Mitsubishi, American Fluke Ti30 infrared image detector, American RM-3WE three dimensional vibration. And it was identified as the national power transformer energy efficiency testing laboratories in 2011.
The company has undertaken the National Olympic Security Power Project, the National 851 project, the whole construction of the Guangzhou Asian Games, Guangzhou BRT and other important security power projects. The products used in the above projects are highly safe and in a reliable operation throughout the country. Also, these products are exported to Myanmar, Madagascar, Malaysia,other countries. Enjoying a good reputation on the electromechanical market, "Guanggao Brand"was identified as Guangdong famous brand, the product was identified as the National Energy Efficiency Star Products and Brand-Name Products in Guangdong Province.If you have transformer needs, please contact us.
- Add: No. 15, Yunpu 1st Road, Yunpu Industrial Zone, Huangpu, Guangzhou, Guangdong, China
- Tel: (+86)-020-82505003
- Email: ggelectric@gz-gg.com
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.