Powered by Made-in-China.com
S13 10~35kv High Voltage Three Phase Oil Immersed Distribution Transformer
US$500.00-20,000.00
1 Piece
Product profile
Customization
AvailableApplication
Power, Electronic, Instrument, Lighting, Rectifier, Audio, Wind PowerPhase
ThreeModel NO.
S-MCore
Core-type TransformerCooling Method
Oil-immersed Type TransformerWinding Type
Two-winding TransformerCertification
ISO9001-2000, ISO9001, CCC, Test ReportUsage
Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution TransformerFrequency Characteristics
Power FrequencyShape of Core
EIBrand
HfyCooling
Liquid/Oil ImmersionRated Capacity
30kVA-31500kVAHigh Voltage
6kv 6.6kv 10kv 11kv 12kv 20kv 33kv 35kvWinding Material
CopperTransport Package
Wooden Case PackagesSpecification
1CBM to 15CBMTrademark
HFYOrigin
ChinaHS Code
8504210000Production Capacity
20000Key features
Patented Ultra-Low Loss Technology: Reduces loss by 10-20% and saves 5% material compared to market standards.
30-Year Service Life: Sealed maintenance-free structure ensures normal operation for over 30 years.
High Voltage Copper Strip Winding: Improves lightning resistance and mechanical strength against short circuits.
Customizable OLTC Tap Changer: OLTC (On Load Tap Changer) with 5 or 7 adjustments available upon request.
Premium Material Composition: Uses Baosteel/WISCO silicon steel, oxygen-free copper, and CNPC transformer oil.
Global Certification Compliance: Holds CB, CCC, KEMA, EAC, and ISO9001 certifications for international markets.
Wide Capacity Range: Rated capacity spans from 30kVA to 31500kVA for diverse power needs.
Corrosion Resistant Coating: Electrostatic plastic spray ensures 50 years of paint retention and 100h corrosion resistance.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2016-11-10 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.42h CertifiedTerms of Payment: LC, T/T, D/P, etc.
About Our Factory & Business Background
AddressNo. 638 Zhongcheng Road, Chengyang District, Qingdao, China
Plant Area1500 square meters
Number of Employees32
Registered Capital10,000,000 RMB
International Commercial Terms(Incoterms)FOB, CIF, CFR, DDP
Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
Main ProductsSwitchgear, Substation, Oil-immersed Power Transformer (Only for Sale), Dry-type Transformer (Only for Sale)
Production MachinesMulti Station Bus Facility
R&D Engineers3 people
Own BrandYes
Our Industry Experience & Global Business Record
Year of Establishment2016-08-15
Main MarketsAfrica, Domestic, Central Asia
Number of Foreign Trading Staff5
Overseas Agent/BranchNo
Product Q&A
Q:Is OEM/ODM available?
A:
Yes, it is! Our products can be Customized. We have design and engineer teams,we can customize products according to customers' drawing or requirements.
Q:What's your MOQ?
A:
One Set.
Q:How is the delivery time?
A:
It depends your order quantity and it normally takes about 15-20 days.
Q:How do you control the quality?
A:
We have QC team comply with TQM to ensure the quality. Each step is in compliance to the standards. At the same time, we will take photos and shoot video for you if you need.Every product will be fully assembled and carefully tested before packing and shipping.
Q:How long is the warranty?
A:
Within one year from the sale date, if there are any accessory problems, you just provide the photos of damaged accessory, then we will provide free accessory. According to the number of products, we will provide easily damaged accessories for free. We also can provide technical support if you need.
Send Inquiry
*To:
Qingdao Hengfengyou Electrical Engineering Co., Ltd.
Qingdao Hengfengyou Electrical Engineering Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
10/0.4kv 400V 300kVA Three Phase 60Hz Oil-Immersed Transformer Factory Price Mv&Hv Mv&Hv
US$1,930.00-2,098.00
1 Set(MOQ)
Transformer Manufacturer Supply Price 400 kVA 630 kVA 11000V 415V 3 Phase Electrical Oil Immersed Transformer
US$500.00-9,000.00
1 Piece(MOQ)
1000kVA Transformer Step up Transformer S11 Series Oil Immersed Transformer
US$1,050.00-18,700.00
1 Piece(MOQ)
2026 110kv Three Phase Power Oil Immersed Transformer High Efficiency
US$500.00-5,000.00
1 Set(MOQ)
160kVA Copper/Aluminum Winding Oil Immersed Distribution Transformer Electric Transformer Fully Sealed Transformer
US$800.00-15,000.00
1 Set(MOQ)
High Efficiency Oil Immersed Outdoor Voltage Power Transformer
US$158,000.00-220,000.00
1 Piece(MOQ)
35kv Factory Direct High Temperature Dry Type Transformer Distribution Cast Resin
US$500.00-5,000.00
1 Set(MOQ)
High Voltage 480V to 11kv 12kv 20kv 3 Phase 1600kVA Power Transformer
US$800.00-9,000.00
1 Piece(MOQ)
S11 Series 10kv Low-Loss China Transformer Windings Oil-Immersed Transformers Power Transformer
US$1,050.00-18,700.00
1 Piece(MOQ)
Safe Outdoor Oil Immersed Transformer
US$800.00-8,000.00
1 Piece(MOQ)
OEM Customized Oil-Immersed Distribution Transformer for Voltage Conversion
US$800.00
1 Piece(MOQ)



















