Epoxy Resin Cast Dry-Type Power Transformer

Choose QH-Power’s UL-certified Epoxy Resin Cast Dry-Type Transformer for superior safety and efficiency. Manufactured in our advanced electrical equipment factory, this unit offers excellent fire resistance and moisture-proof performance. With low loss and maintenance-free operation, it is the ideal solution for commercial buildings, hospitals, and industrial facilities demanding reliable indoor power distribution.
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Product Details

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Product parameters


Epoxy Resin Cast Dry-Type Power Transformer Technical Data Sheet

Model

Rated Capacity

(kVA)

Voltage Combination (kV)

High Voltage Tap Range

(%)

Connection Group

Losses (W)

No-Load Current

(%)

Short-Circuit Impedance

(%)

Overall Dimensions (mm)

Track Gauge

(mm)

High Voltage

Low Voltage

No-Load Loss

Load Loss

L

W

H

SC(B)11-2000

2000

35

37

38.5

3.15

6

6.3

10

10.5

11

±5

±2×2.5

Dyn11

Yyn0

3800

16800

0.4

7.0

2550

1400

2180

1475

SC(B)11-2500

2500

4350

19800

0.4

2750

1400

2200

1475

SC(B)11-3150

3150

5380

22500

0.35

8.0

2900

1400

2220

1475

SC(B)11-4000

4000

6260

26900

0.3

3040

1400

2260

1475

SC(B)11-5000

5000

7440

31600

0.3

3150

1600

2300

2040

SC(B)11-6300

6300

8810

36600

0.25

3350

1600

2430

2040

SC(B)11-8000

8000

Dyn11

Yd11

YNd11

9990

41500

0.25

9-12

3430

1780

2580

2040

SC(B)11-10000

10000

11440

49700

0.25

3500

1780

2850

2040

SC(B)11-12500

12500

6.3

10.5

13950

58300

0.2

3750

1780

2950

2040

SC(B)11-16000

16000

17020

68800

0.2

4050

1780

3140

2040

SC(B)11-20000

20000

20340

75800

0.18

4180

1780

3250

1410

SC(B)11-25000

25000

23850

85600

0.18

4460

2000

3450

1510

SC(B)11-31500

31500

27820

96200

0.16

4720

2000

3600

1620

SC(B)11-40000

40000

32230

109500

0.16

4980

2000

3700

1710

The above information is for reference only. Product specifications, parameters and other information may be adjusted due to design drawing changes and other factors without separate notice. Please consult in time to obtain it. 

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Factory strength & certification


Jinan Qinghe Electrical Co., Ltd. was established in 1992 as a joint-stock company resulting from the restructuring of Jinan Qinghe Special Transformer Factory. Its headquarters is located in the e-center of Luneng Lingxiu City, Jinan. The registered capital is 104.6 million yuan. It is a comprehensive high-tech enterprise specializing in the research and development of intelligent electrical technology, the manufacturing of power transmission and distribution equipment, the general contracting and maintenance services for power engineering construction, and other related services. The company has obtained ISO 9001 quality system certification, ISO 14001 environmental management system certification, OHSAS 18001 occupational health and safety management system certification, and national compulsory product certification (CCC). It is a regular supplier to State Grid and Southern Grid.

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-F A Q-


Q: What is your company's background and manufacturing experience?

A: We are a professional transformer manufacturer with over 30 years of R&D, production, and OEM/ODM experience. Supported by a mature industrial ecosystem and extensive technical expertise, we provide reliable solutions for diverse needs.

 

Q: As a transformer supplier, what are your core strengths?

A: Our strengths are built on 30+ years of industry experience, 200+ technical patents, rigorous quality control, flexible customization, and a proven record of reliable delivery. This is all supported by a 12-month warranty and responsive after-sales service. Additionally, with manufacturing facilities in both China and the U.S., we ensure timely global supply and efficient logistics support.

 

Q: Which quality, safety, and international standards do your products comply with?

A: Our products are UL-certified for the North American market and comply fully with key international standards, including ISO 9001, ISO 14001, ISO 45001 (replacing OHSAS 18001), IEC, and GB/T. This ensures global compatibility and compliance for projects worldwide.

 

Q: Is Factory Acceptance Test (FAT) available, and can it be customized?

A: Yes, we actively support and provide flexible customization for Factory Acceptance Tests (FAT). Each product undergoes a series of rigorous factory inspections before shipment, including insulation resistance tests, temperature rise tests, and other key performance verifications. This ensures full compliance with your quality and project specifications.

 

Q: What is the scope of your main product lines?

A: We specialize in manufacturing oil-immersed transformers, dry-type transformers, high- and low-voltage switchgear, and a range of special-purpose transformers—including amorphous alloy and rectifier types. Our products serve diverse applications, from power grids to renewable energy projects.

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