25mva Power Transformer 33kv/35kv Three Phase 220V/380V/400V/440V 10kv/220kv/132kv/115kv
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Product Highlights
- High Efficiency Design: Low loss and high efficiency using copper windings and advanced insulation materials.
- Wide Capacity Range: Available in capacities from 30kVA to 100MVA for diverse power distribution needs.
- Flexible Customization: Customizable rated power, voltage, connection type, and coil structure based on samples or designs.
- Global Compliance: Meets international standards including IEC, ANSI, IEEE, ISO9001, and CCC certifications.
- Robust Construction: Oil-immersed, core-type transformer with silicon steel or amorphous alloy cores for long service life.
- Versatile Application: Suitable for industrial, commercial, and public utility power distribution networks.
- Quality Assurance: 100% finished product inspection including visual and function checks by 8 QA/QC inspectors.
- Fast Delivery: Average lead time within 15 workdays for both peak and off-season periods.
Product Attributes
- Customization
- Available
- Application
- Power, Electronic, Instrument
- Phase
- Three
- Model NO.
- S11
- Core
- Core-type Transformer
- Cooling Method
- Oil-immersed Type Transformer
- Winding Type
- Separated Winding Transformer
- Certification
- ISO9001, CCC
- Usage
- Combined Transformer, Power Transformer, Distribution Transformer
- Frequency Characteristics
- Power Frequency
- Shape of Core
- Ring
- Brand
- Zhengxi
- Rated Power
- 50~31000kVA
- Voltage
- 380V/3kv/6kv/11kv/33kv
- Connection
- Dyn11/Yd11/Yyno
- No-Load Losses(Kw)
- 0.1~2.8
- Impedence
- 4%
- Coil Structure
- Toroidal
- Cooling
- Onan Onaf
- Warranty
- 2 Years
- Transport Package
- Wooden
- Specification
- 3000*2000*2500
- Trademark
- ZHENGXI or OEM
- Origin
- Zhejiang, China
Product Images of 25mva Power Transformer 33kv/35kv Three Phase 220V/380V/400V/440V 10kv/220kv/132kv/115kv
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Product Description
2500 KVA Oil-Immersed Transformer for Power Distribution
The 2500 KVA Three Phase Oil Filled Distribution Transformer is a robust and high-performance solution designed for medium voltage distribution networks. It ensures efficient voltage transformation from 35kV to low voltage levels such as 380V, 400V, or 415V, making it suitable for industrial, commercial, and public utility applications.
Manufactured using high-quality copper windings, silicon steel or amorphous alloy cores, and advanced insulation materials, this Filled Distribution Transformer delivers low loss, high efficiency, and long service life. It meets international standards including IEC, ANSI, and IEEE, making it a reliable choice for global markets.



|
Rated Capacity
|
Voltage Ratio
|
Vector Group
|
No-load Losses(kw)
|
Inpedence
|
|
30kva
|
380v/3kv/6kv/11kv/33kv
|
Dyn11/Yd11/Yyno
|
0.1
|
4%
|
|
50kva
|
380v/3kv/6kv/11kv/33kv
|
Dyn11/Yd11/Yyno
|
0.13
|
4%
|
|
100kva
|
380v/3kv/6kv/11kv/33kv
|
Dyn11/Yd11/Yyno
|
0.2
|
4%
|
|
200kva
|
380v/3kv/6kv/11kv/33kv
|
Dyn11/Yd11/Yyno
|
0.34
|
4%
|
|
315kva
|
380v/3kv/6kv/11kv/33kv
|
Dyn11/Yd11/Yyno
|
0.42
|
4%
|
|
500kva
|
380v/3kv/6kv/11kv/33kv
|
Dyn11/Yd11/Yyno
|
0.6
|
4%
|
|
1000kva
|
380v/3kv/6kv/11kv/33kv
|
Dyn11/Yd11/Yyno
|
1.15
|
4.5%
|
|
1250kva
|
6kv/11kv/33kv
|
Dyn11/Yd11/Yyno
|
|
4.5%
|
|
2500kva
|
11kv/33kv
|
Dyn11/Yd11/Yyno
|
2.3
|
|
|
4000kva
|
11kv/33kv
|
Dyn11/Yd11/Yyno
|
2.8
|
|
|
10mva
|
11kv/33kv/69kv/110kv
|
Dyn11/Yd11/Yyno
|
|
|
|
40mva
|
11kv/33kv/69kv/110kv
|
Dyn11/Yd11/Yyno
|
|
|
|
100mva
|
11kv/33kv/69kv/110kv/220kv
|
Dyn11/Yd11/Yyno
|
|



About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR263094". Items marked "" are certified.
Company Profile
ZHENGXI Group is a leading manufacturer specializing in the research, development, and sales of high and low voltage electrical equipment, with over 20 years of industry experience.
The group owns three wholly-owned or controlled subsidiaries, three major business divisions, and two advanced R&D and production bases, continuously innovating to provide the market with high-quality products. Our brands "ZHENGXI Electrical" and "PINEELE" are well respected and influential in the industry.
Our product range includes automatic voltage stabilizers, buck boost transformers, variable transformer, soft starters, inverters, and high/low voltage distribution cabinets. These products are certified by IEC, CE, RoHS, FCC, and ISO9001, ISO14001, ISO45001and have obtained over 130 technical patents.
The company has been recognized as a national high-tech enterprise, leading enterprise in new technology, outstanding design patent award in China, excellent technology in China, and among the first batch of "Good Product" brand enterprises in Zhejiang Province.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 555 Chezhan Road, Liushi Town, Wenzhou, Zhejiang, China
-
Plant Area
- 10000 square meters
-
Number of Employees
- 85
-
Registered Capital
- 50,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
- International Commercial Terms(Incoterms)
- FOB, EXW, CIF, DDP, Others
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Ningbo Port, Shanghai Port
-
Minimum Order Quantity
- 1 Pc
-
Supply Chain Partners
- 150
Our Production Capability & Technical Expertise
-
Main Products
- Voltage Stabilizer, Transformer
-
Production Lines
- 14
-
Production Machines
- Hydraulic press, Automated equipment, Drying oven, Winding machine, Vacuum impregnation machine
-
QA/QC inspectors
- 8 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Finished product checked by packing staff
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
R&D Engineers
- 6 people
-
Traceability of Raw Materials
- No
-
Test Reports for Raw Materials
- FCC, Others
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2014-03-11
- Export Year
- 2014-03-13
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 10
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO45001:2018, ISO14001
FAQ
- What is the warranty period for this transformer?
- The product comes with a 2-year warranty.
- What customization options are available?
- We offer full customization, minor customization, and flexible customization based on samples or designs, including rated power, voltage, and connection types.
- What is the minimum order quantity?
- The minimum order quantity is 1 piece.
- What payment terms are accepted?
- We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.
- What are the available voltage ratios?
- Common voltage ratios include 380V/3kv/6kv/11kv/33kv and 11kv/33kv, depending on the capacity.
- What certifications does the transformer have?
- The transformer holds ISO9001, CCC, IEC, ANSI, and IEEE certifications.
- What is the lead time for production?
- The average lead time is within 15 workdays for both peak and off-season periods.
- What materials are used in the core and windings?
- The transformer uses high-quality copper windings and silicon steel or amorphous alloy cores.
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Product Groups
- Hot-selling products
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- Power Transformer
- High and low voltage distribution cabinet
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- Pure Sine Wave Inverter
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