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Guangzhou Guanggao High Voltage Electric Apparatus Co.,Ltd.

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

  1. China Three Phase Dry Type Distribution Transformer 20kV 400kVA SC(B)18-NX1
  2. China Three Phase Dry Type Distribution Transformer 20kV 400kVA SC(B)18-NX1
  3. China Three Phase Dry Type Distribution Transformer 20kV 400kVA SC(B)18-NX1
  4. China Three Phase Dry Type Distribution Transformer 20kV 400kVA SC(B)18-NX1

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

  1. MOQ: 3
  2. Price:
  3. Get Latest Price
Payment Terms T/T L/C
Packaging Details Export Standard Package
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
Brand Name GuangGao
Model Number D
Certification ISO CESI UL KEMA
Place of Origin Guangzhou

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T L/C Packaging Details Export Standard Package
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
Brand Name GuangGao Model Number D
Certification ISO CESI UL KEMA Place of Origin Guangzhou
High Light Three Phase Dry Type Distribution TransformerDry Type Distribution Transformer 400kVADry Distribution Transformer 20kV
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.

Professional Equipment

Factory

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

Target Market 

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.

Company Profile Image
Contact us
  • Add: No. 15, Yunpu 1st Road, Yunpu Industrial Zone, Huangpu, Guangzhou, Guangdong, China
  • Tel: (+86)-020-82505003
  • Email: ggelectric@gz-gg.com

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Exporter

  • Year Established:

    1958

  • Employee Number:

    500~999

  • Ecer Certification:

    Verified Supplier

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 throug... 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 throug...

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  • Guangzhou Guanggao High Voltage Electric Apparatus Co.,Ltd.
  • No.15,Yunpu1st Road, Yunpu Industrial Zone Luogang Guangzhou, China
  • https://www.gz-gg.com/

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