전자 부품 공급업체 | 트랜스포머, 인덕터, 인버터
How to make the right choice when facing numerous 건식 변압기 models on the market? 이 기사에서는 단열 수준 뒤에 숨은 비밀에 대해 자세히 설명합니다. (시간, 에프) and models (SCB and SCR), helping you choose the most suitable and economical products according to your actual needs.

Reliable Power, Anywhere. Compact and maintenance-free Dry-Type Transformer
1.Understanding insulation level: How does it affect the lifespan and performance of transformer?
The insulation level is one of the most important parameters of dry-type transformers. It directly determines the transformer’s tolerance and service life at high temperatures.
1.1 What is insulation grade?
The insulation level represents the heat resistance of the insulation material for transformer windings. It is represented by a letter, such as A, 이자형, 비, 에프, 시간, 기음. The higher the level, the higher the long-term working temperature allowed by the material. 현재, the mainstream in the market are F-grade and H-grade.
1.2 Difference and Selection between F-Level and H-Level
- F-class insulation: The maximum allowable working temperature is 155 ℃. This is currently the most commonly used and cost-effective grade. It can meet the needs of the vast majority of conventional application scenarios, such as ordinary commercial buildings and light industries.
- H-class insulation: The maximum allowable working temperature is 180 ℃. It has higher heat resistance, therefore it has stronger overload capacity and longer lifespan. Suitable for environments with high temperatures, large load fluctuations, or higher reliability requirements, such as steel plants, data center core rooms, 등.
- 간단히 말해서, choosing H-class means providing greater temperature margin for the transformer, making it more reliable to operate under more stringent conditions.
2.Decoding Transformer Model: What is the difference between SCB and SCR?
You may often see SCB and SCR models, which represent different materials of winding conductors.
2.1 SCB: Epoxy resin cast dry-type transformer
그만큼 “비” ~에 “SCB” represents the “foil” 굴곡 (usually copper foil) and casting process.
- 특징: Its winding is vacuum cast in high-quality epoxy resin. This gives the transformer extremely high mechanical strength and moisture and dust resistance.
- 장점: Strong short-circuit tolerance, stable performance, 저소음, maintenance free.
- Applicable scenarios: Almost applicable to all standard occasions, it is currently the mainstream technology in the market.
2.2 SCR: Epoxy resin wrapped impregnated dry-type transformer
그만큼 “아르 자형” ~에 “SCR” represents a “wire wound” 굴곡.
- 특징: It adopts wire wound winding and is vacuum impregnated with epoxy resin.
- 장점: The heat dissipation performance is usually better, and the process is relatively flexible.
- Applicable scenarios: It is commonly used in non-standard products with special requirements or specific specifications for heat dissipation.
- For most users, SCB transformers are a more common and reliable choice due to their durability and excellent performance.

No oil, no risk! Dry-Type Transformer for enhanced safety in buildings and data centers
3.Other key considerations for selecting dry-type transformer
In addition to insulation grade and model, the following points are also crucial:
- 에너지 효율 수준: Pay attention to Chinese energy efficiency standards (GB와 같은 20052), choose products with Level 1 또는 레벨 2 에너지 효율, and achieve significant long-term energy-saving benefits.
- 보호 수준: such as IP20 (preventing solid foreign objects larger than 12mm from entering) or IP23 (preventing water splashing), which determines its ability to adapt to the environment.
- Brand and after-sales service: Choose a reputable brand to ensure professional technical support and reliable after-sales service.
- Cost considerations: It is not only necessary to compare the initial purchase price, but also to comprehensively consider the operating electricity costs, maintenance costs, and the total cost of the entire lifecycle.
Choosing the appropriate dry-type transformer is a highly technical decision. By understanding the two core elements of insulation grade and model differences, you can make wiser judgments and choose a reliable, 효율적인, and economical “마음” for your power system.
낙양대당에너지기술유한회사, 주식회사. R을 통합하는 하이테크 기업입니다.&디, 변압기 등 전력기기 제조 및 공급, 새로운 에너지 성분, 배전 캐비닛 및 인버터. 기술혁신을 핵심으로, 우리는 글로벌 고객에게 서비스를 제공하기 위해 높은 신뢰성과 고성능 전력 솔루션을 만드는 데 중점을 두고 있습니다.. 엄격한 품질관리 시스템과 국제표준 인증으로, 앞으로도 우수한 제품을 생산하여 고객이 안전하고 안정적인 전력시스템을 구축할 수 있도록 하겠습니다..







