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Dry Type Distribution Transformer
Created with Pixso. Three Phase Dry Type Distribution Transformer 20kV 400kVA SC(B)18-NX1

Three Phase Dry Type Distribution Transformer 20kV 400kVA SC(B)18-NX1

Brand Name: GuangGao
Model Number: D
MOQ: 3
Payment Terms: T/T L/C
Detail Information
Place of Origin:
Guangzhou
Certification:
ISO CESI UL KEMA
Name:
Dry Type Distribution Transformer
Phase:
3
Input Voltage:
20kV、22kV、24kV
Output Voltage:
0.4kV
Winding Material:
Copper / Aluminum
Core Material:
Silicon Steel Core / Amorphous Core
Application:
Power
Rated Capacity:
50-2500KVA
Warranty:
2 Years
Vector Group:
Dyn11 Yyn0
Cooling Method:
ONAN
Standard:
IEC Standard
Packaging Details:
Export Standard Package
Highlight:

Three Phase Dry Type Distribution Transformer

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Dry Type Distribution Transformer 400kVA

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Dry Distribution Transformer 20kV

Product Description
20kV Dry-type Distribution Transformer SC(B)18-NX1 Energy Efficiency Level 1 400kVA
Product Specifications
                                            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.

Product Overview
  • 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.

Three Phase Dry Type Distribution Transformer 20kV 400kVA SC(B)18-NX1 0

Professional Equipment

Three Phase Dry Type Distribution Transformer 20kV 400kVA SC(B)18-NX1 1

Factory

Three Phase Dry Type Distribution Transformer 20kV 400kVA SC(B)18-NX1 2

Exhibition(Dubai exhibition, US exhibition, Thailand exhibition, Philippines exhibition……)

Three Phase Dry Type Distribution Transformer 20kV 400kVA SC(B)18-NX1 3

Target Market 

Three Phase Dry Type Distribution Transformer 20kV 400kVA SC(B)18-NX1 4

Company Profile

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.

Three Phase Dry Type Distribution Transformer 20kV 400kVA SC(B)18-NX1 5
Contact us
  • Add: No. 15, Yunpu 1st Road, Yunpu Industrial Zone, Huangpu, Guangzhou, Guangdong, China
  • Tel: (+86)-020-82505003
  • Email: ggelectric@gz-gg.com