Product Description
Zhejiang GangHeng SGB 10kV 500kVA eco-friendly non-encapsulated dry transformer, non-toxic insulation meets ISO14001, 10kV/0.4kV stable output, compatible with dry resin transformer, for power plants/residential areas, CQC/ISO certified.
Core Parameters
• Rated High Voltage: 10kV
• Rated Low Voltage: 0.4kV
• Rated Capacity: 500kVA
• Cooling Method: AN (Air Natural)
• Connection Symbol: Dyn11
• Insulation Level: 170kV/3s
• Protection Class: IP20 (non-encapsulated design)
Model

Attribute + Function + Benefit
|
Product Attribute |
Function |
Benefit |
|
Eco-friendly insulation materials |
Avoid environmental pollution during production / use / disposal |
Meet green project procurement requirements, enhance brand image |
|
Non-encapsulated structure |
Facilitate heat dissipation and internal component maintenance |
Reduce maintenance time by 40%, lower maintenance costs |
|
Compatibility with dry resin transformer |
Realize mixed use of different transformer types in power distribution system |
Adapt to complex power supply scenarios (e.g., factories + auxiliary areas) |

Function
|
Usage Method |
1. Install in dry, dust-free power distribution room (IP20 protection); 2. Connect high/low voltage cables per nameplate; 3. Check insulation resistance before power-on. |
|
Solved Problems |
1. Environmental pollution from traditional transformer materials; 2. Difficulty in maintenance of encapsulated transformers; 3. Inflexible matching of single transformer type (compatible with dry resin transformer). |
|
Usage Effect |
1. Stable operation temperature ≤80℃, lower than national standard (95℃); 2. Power supply reliability ≥99.8%, ensuring continuous power for residential areas/factories; 3. Service life ≥15 years, reducing replacement frequency. |
Application Scenarios
- Power Plants & Substations: Auxiliary power distribution for power generation equipment.
- Residential Areas & High-Rise: Buildings Power supply for households, elevators, and public facilities.
- Light Industry & Textiles: Stable power distribution for textile production lines.
- Factories & Mines: Power supply for small-to-medium workshop equipment.

Company Advantages
|
Foundational Strength |
Founded in 2004, specializing in R&D, production, and marketing of high/low-voltage electrical equipment (switchgear) and transformers; National High-Tech Enterprise. |
|
Market & Service |
Products selected into State Grid E-commerce Platform; pursue "optimal performance, comprehensive range, favorable price, good service, high reputation"; high reputation in Zhejiang, Fujian, Jiangxi, Anhui. |
|
Global Layout |
Products sold nationwide and to Iran, Kyrgyzstan, Zimbabwe, Tanzania. |


Advanced Equipment & Production Features
Advanced Equipment
CNC punching machines, CNC bending machines, laser cutting machines, copper busbar bending machines, and related testing equipment.
Production Features
Products manufactured strictly in accordance with international (IEC) and national (GB) standards; full-process quality control from raw material inspection to finished product testing.




Factory Location Advantage
Transportation Convenience
Located in Sidu Town, Jiangshan City, Zhejiang: traversed by National Highway 205 and Zhejiang-Jiangxi Railway; <3km from Quzhou South Exit of G3 Beijing-Taipei Expressway; <7km from Jiangshan Railway Station.
Logistics Advantage
Easy access to coastal ports (e.g., Ningbo Port) for overseas shipping; short-distance transportation to Fujian, Jiangxi, Anhui, reducing domestic delivery time.
Qualification Certificates & Achievements
Certificates
ISO9001 Quality Management System Certification, ISO14001 Environmental Management System Certification, OHSAS18001 Occupational Health and Safety Management System Certification, CQC Product Certification, high-voltage cabinet type test report, various patent certificates.
Achievements
High reputation in Zhejiang, Fujian, Jiangxi, Anhui; trusted partner and preferred supplier for large, medium, and small-scale projects at home and abroad.


After-Sales Service
Warranty Period
1-year free maintenance (including parts replacement and labor costs); lifelong maintenance service after the warranty period (only charging for parts).
01
Response Speed
24-hour service: Respond to equipment problems within 30 minutes; on-site service arrives within 24 hours (provincial) / 48 hours (inter-provincial) after receiving maintenance requests.
02
Priority Principle
Prioritize troubleshooting and restoring equipment operation to minimize losses and protect customers' vital interests.
03
Technical Support
Provide on-site guidance for installation and commissioning; offer free operation training for customers' operators (covering operation methods and simple maintenance).
04
Quality Tracking
Establish quality tracking information cards and customer files for each customer; conduct a return visit every 3 months to understand equipment operation status.
05
FAQ
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