SC(B)18-NX1 50kVA 20kV Dry Type Distribution Transformer with Energy Efficiency Class 1 Rating
| Capacity (kVA) | Voltage Combination | H.V. Tapping Range | LV (kV) | Vector Group | No Load Loss (W) | Full Load Loss (W) | Short Circuit Impedance (%) |
|---|---|---|---|---|---|---|---|
| 50 | 20/22/24 | ±5%/±2×2.5% | 0.4 | Dyn11 Yyn0 | 219 | 1110 (F) / 1180 (H) | 6 |
| 100 | 20/22/24 | ±5%/±2×2.5% | 0.4 | Dyn11 Yyn0 | 348 | 1790 (F) / 1920 (H) | 6 |
| 160 | 20/22/24 | ±5%/±2×2.5% | 0.4 | Dyn11 Yyn0 | 432 | 2220 (F) / 2380 (H) | 6 |
| 200 | 20/22/24 | ±5%/±2×2.5% | 0.4 | Dyn11 Yyn0 | 470 | 2650 (F) / 2830 (H) | 6 |
| 250 | 20/22/24 | ±5%/±2×2.5% | 0.4 | Dyn11 Yyn0 | 542 | 3080 (F) / 3290 (H) | 6 |
| 315 | 20/22/24 | ±5%/±2×2.5% | 0.4 | Dyn11 Yyn0 | 626 | 3670 (F) / 3920 (H) | 6 |
| 400 | 20/22/24 | ±5%/±2×2.5% | 0.4 | Dyn11 Yyn0 | 742 | 4360 (F) / 4660 (H) | 6 |
| 500 | 20/22/24 | ±5%/±2×2.5% | 0.4 | Dyn11 Yyn0 | 872 | 5210 (F) / 5570 (H) | 6 |
| 630 | 20/22/24 | ±5%/±2×2.5% | 0.4 | Dyn11 Yyn0 | 985 | 6160 (F) / 6590 (H) | 6 |
| 800 | 20/22/24 | ±5%/±2×2.5% | 0.4 | Dyn11 Yyn0 | 1130 | 7430 (F) / 7960 (H) | 6 |
| 1000 | 20/22/24 | ±5%/±2×2.5% | 0.4 | Dyn11 Yyn0 | 1340 | 8800 (F) / 9360 (H) | 6 |
| 1250 | 20/22/24 | ±5%/±2×2.5% | 0.4 | Dyn11 Yyn0 | 1534 | 10400 (F) / 11100 (H) | 6 |
| 1600 | 20/22/24 | ±5%/±2×2.5% | 0.4 | Dyn11 Yyn0 | 1800 | 12400 (F) / 13300 (H) | 6 |
| 2000 | 20/22/24 | ±5%/±2×2.5% | 0.4 | Dyn11 Yyn0 | 2091 | 14700 (F) / 15800 (H) | 6 |
| 2500 | 20/22/24 | ±5%/±2×2.5% | 0.4 | Dyn11 Yyn0 | 2503 | 17400 (F) / 18600 (H) | 6 |
| 2000 | 20/22/24 | ±5%/±2×2.5% | 0.4 | Dyn11 Yyn0 | 2091 | 16000 (F) / 17200 (H) | 8 |
| 2500 | 20/22/24 | ±5%/±2×2.5% | 0.4 | Dyn11 Yyn0 | 2503 | 19100 (F) / 20400 (H) | 8 |
The SC(B)18-NX1 dry-type transformer features advanced design with ultra-thin iron cores that minimize magnetic loss and reduce equipment footprint for space-constrained installations. High-efficiency winding processes enhance energy transfer precision while lowering internal heat generation, reducing maintenance requirements. The NX1 suffix includes intelligent noise reduction systems for ultra-quiet operation in hospitals and schools, plus reinforced short-circuit protection to minimize downtime risks. Energy Efficiency Class 1 rating reduces energy consumption by 8%-12% compared to Class 2, meeting strict energy-saving standards for eco-sensitive regions and supporting ESG goals.
Power transformers with CE, ISO, KEMA, UL certificates and test reports.
Guanggao Transformer is a professional manufacturer with nearly 25 years of export experience, producing single-phase, three-phase, dry-type, distribution, and high-voltage transformers up to 110kV and above. The company meets IEEE/ANSI/UL/CSA and IEC standards with modern laboratory facilities including a 3000kV lightning impulse testing device, CA-21 moisture analyzer, infrared image detectors, and three-dimensional vibration testing equipment. Certified as national power transformer energy efficiency testing laboratory in 2011.
- National Olympic Security Power Project contractor
- National 851 project and Guangzhou Asian Games infrastructure provider
- Products exported to Myanmar, Madagascar, Malaysia and other countries
- Guangdong famous brand and National Energy Efficiency Star Products
Address: No. 15, Yunpu 1st Road, Yunpu Industrial Zone, Huangpu, Guangzhou, Guangdong, China
Telephone: (+86)-020-82505003
Email: ggelectric@gz-gg.com
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