Wholesale High-Efficiency Explosion-Proof Robust Dry-Type Electrical Cast Resin Transformer for Indoor Substation
Product Specifications
- Specification
Contact Supplier
Product Highlights
- Manufactured per international standards, stable voltage supply, fit for grid, factory and new energy projects
- Premium material, low loss, low noise, durable and customizable
- Factory direct supply cost-effective, fast heat dissipation long service life
Product Attributes
- Customization
- Available
- Application
- Power
- Phase
- Three
- Model NO.
- SCB10/SCB11/SCB12/SCB13/SCB14/SCB18
- Core
- Core-type Transformer
- Cooling Method
- Dry-type Transformer
- Winding Type
- Two-winding Transformer
- Certification
- ISO9001-2000, ISO9001, CCC
- Usage
- Distribution Transformer
- Frequency Characteristics
- High Frequency
- Shape of Core
- U
- Product Name
- 10kv Class Sc(B) Type Dry Type Transformer
- Keywords
- Dry Type Transformer
- Enclosure Material
- Cold-Rolled Steel / Stainless Steel
- Rated Capacity
- 30kVA - 3150kVA
- Voltage Class
- 6kv / 10kv / 20kv / 35kv
- Frequency
- 50Hz / 60Hz
- Core Structure
- Shell-Type, 45° Step-Lap
- Winding Material
- Oxygen-Free Copper / Aluminum
- Insulation Class
- Class F / Class H
- Insulation Type
- Epoxy Resin Vacuum Casting
- No-Load Loss
- ≤ GB/IEC Standard -20%
- Load Loss
- ≤ GB/IEC Standard -10%
- Partial Discharge
- ≤5PC (at 1.1um)
- Noise Level
- 55-62db (Based on Capacity)
- Protection Rating
- IP20 / IP30 / IP3X (Optional)
- Transport Package
- Standard Packaging or Customized
- Specification
- Standard Specifications or Customized
- Trademark
- TH
- Origin
- Jiangsu, China
- Production Capacity
- 2 Million kVA/Year
- Package Size
- 725.00cm * 590.00cm * 850.00cm
- Package Gross Weight
- 346.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Wholesale High-Efficiency Explosion-Proof Robust Dry-Type Electrical Cast Resin Transformer for Indoor Substation
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Product Description


Our Dry Type Transformer features epoxy resin cast insulation and premium silicon steel cores, delivering ultra-low energy losses for modern power distribution systems.
Designed with fire-resistant materials and maintenance-free operation, this three-phase distribution transformer ensures safe indoor installation in urban load centers, commercial complexes, industrial facilities, and renewable energy projects worldwide.
* Premium silicon steel cores and oxygen-free copper windings ensure ultra-low losses, superior conductivity, and exceptional energy efficiency performance.
* Epoxy resin cast insulation provides outstanding fire resistance, moisture protection, and pollution-free operation for safe indoor installation environments.
* Complies with GB and IEC international standards, featuring minimal noise levels, high efficiency ratings, and robust corrosion-resistant steel enclosures.
* Suitable for 10KV to 35KV voltage classes across urban grids, renewable energy stations, industrial parks, and rail transit systems.



TECHNICAL PARAMETERS | |
Product Name | 10KV Class SC(B) Type Dry Type Transformer |
Keywords | Dry Type Transformer |
Enclosure Material | Cold-Rolled Steel / Stainless Steel |
Rated Capacity | 30kVA - 3150kVA |
Voltage Class | 6kV / 10kV / 20kV / 35kV |
Frequency | 50Hz / 60Hz |
Phase | Three-Phase |
Winding Type | Two-Winding |
Core Structure | Shell-Type, 45° Step-Lap |
Winding Material | Oxygen-Free Copper / Aluminum |
Insulation Class | Class F/ Class H |
Insulation Type | Epoxy Resin Vacuum Casting |
Cooling Method | Air Natural (AN) / Air Forced (AF) |
No-Load Loss | ≤ GB/IEC Standard -20% |
Load Loss | ≤ GB/IEC Standard -10% |
Partial Discharge | ≤5PC (At 1.1Um) |
Noise Level | 55-62dB (Based on Capacity) |
Protection Rating | IP20 / IP30 / IP3X (Optional) |
Ambient Temperature | -25°C to +40°C |
Relative Humidity | ≤95% (Non-Condensing) |
OEM/ODM | Support |

Manufactured using world-class vacuum casting systems with automated thin insulating band winding technology, achieving industry-leading partial discharge levels below 5PC through complete air bubble elimination.
This superior dielectric performance prevents insulation breakdown and corona damage, ensuring stable electrical properties throughout rated voltage operations and eliminating premature failures caused by internal discharge deterioration in conventional casting methods.
High-grade grain-oriented silicon steel sheets assembled through precision 45-degree full oblique step-lap construction deliver 20-30% lower no-load losses versus traditional core designs.
Combined with moisture-resistant protective coating, this patented configuration reduces operating noise to whisper-quiet 55-62dB levels, making installations fully compliant with strict residential and commercial district acoustic regulations without soundproofing enclosures.


Unlike oil-immersed transformers requiring annual oil testing, filtration, and replacement costing USD 5,000-8,000 yearly, epoxy resin encapsulation provides maintenance-free operation with zero consumables.
Hermetically sealed construction eliminates routine inspections, breathing apparatus servicing, and oil disposal environmental compliance expenses, reducing total ownership costs by 60% over a 25-year service life while ensuring an uninterrupted power supply without scheduled downtime.



A: We are a manufacturer, mainly producing products such as oil-immersed transformers, dry-type transformers, and substations.
Q2: Do you accept customized service?
A: We offer OEM/ODM service, and can print your logo on the product. Our professional, technical, and quotation team can provide
Q3: How long is your delivery lead time?
A: It depends on your product requirement and quantity. Generally, about 20-25 days
Q4: Do you provide warranties for your products?
A: Yes, we offer our customers a two-year quality guarantee.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR254541". Items marked "" are certified.
Company Profile
Jiangsu Tianhua Transformer Co. Ltd. Is a high-tech enterprise specialized in the production, development and sales of transformers and related products. Company is located in the second largest city in Jiangsu province, national comprehensive transportation hub, east China important science and education, culture, finance, tourism, health care, convention and exhibition center, important economic, commercial and trade center in Jiangsu province, Xuzhou city, the Beijing-Shanghai railway and the Longhai railway in this intersection, the Eurasian continental bridge traverses of Xuzhou, the transportation is extremely convenient.
The total investment of the company is 258 million Yuan, with registered capital of 55 million Yuan. The company has 270 employees, including 7 senior engineers. More than 110 senior technical personnel such as doctor and master degree. Since the company was founded, strictly follow the ISO9000 quality management system And provide customers with excellent quality products that meet the characteristics of each region.
We cooperate with our customer with advanced technology, first-class equipment, excellent quality, satisfactory service and good reputation, seek common development, sincerely welcome people from all walks of life to come to my company to discuss cooperation, create brilliant!
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 105xuhai Road, Xuzhou Economic Development Zone, Xuzhou, Jiangsu, China
-
Plant Area
- 6150 square meters
-
Number of Employees
- 75
-
Registered Capital
- 100,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays, one month
Off Season Lead Time: within 15 workdays -
Nearest Port
- Lianyungang Port; Qingdao Port; Shanghai Port
-
Minimum Order Quantity
- 1
-
Supply Chain Partners
- 50
Our Production Capability & Technical Expertise
-
Main Products
- Transformer
-
Production Lines
- 5
-
Production Machines
- Slitting Machine, Shearing Machine, Punching Machine, Low-voltage Foil Winding Machine, Horizontal Coil Winding Machine, Electric Heating Circulating Room
-
QA/QC inspectors
- 5 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 3 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2013-11-21
-
Export Year
- 12 years
-
Main Markets
- Domestic
-
Number of Foreign Trading Staff
- 3
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
FAQ
- Are you a manufacturer?
- Yes, we are manufacturer.
- Can I get guarantee of products?
- Yes, every product is 2 year quality warrantee under customer correct using the products.
- Do you have any Certificate?
- Yes. Each of our unit has CE certificate. If you need any other Certificate, we can help you to apply it.
- How can I pay you?
- Pay by T/T is acceptable.
- What about the production?
- In general, it take 4~6weeks and it depend on the different style.
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