Powered by Made-in-China.com
Industrial Grade Transformer with Robust Oil Immersion and Cooling System
US$1,987.00
1-9 Pieces
US$1,896.00
10+ Pieces
Product profile
Customization
AvailableApplication
Power, Rectifier, Combined Transformer, Power Transformer,Phase
ThreeModel NO.
SF20Core
Core-type TransformerCooling Method
Oil-immersed Type TransformerWinding Type
Multi-winding TransformerCertification
ISO9001-2000, ISO9001, CCC, CEUsage
Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer, Three Phase TransformerFrequency Characteristics
Power FrequencyShape of Core
RingBrand
TenronyRated Frequency
50/60HzRated Voltage/Hv
11/33kvRated Voltage/LV
400VTransformer Capacity
1250-31500kVAConnection of Transformer Winding
Yyn0/Dyn11Winding
CopperTransport Package
Wooden CaseSpecification
1200*1350*1700mmTrademark
TENRONYOrigin
ChinaHS Code
8504109000Production Capacity
200/MonthlyKey features
Forced Air Cooling System: Boosts heat dissipation 30-50% with redundant low-noise fans for high-capacity transmission.
High Capacity Output: Delivers ~40% more output than natural cooling at same size, scaling up to 120,000 kVA.
Robust Overload Protection: Supports 120% continuous load and 150% short-term emergency dispatch safely.
Comprehensive Safety Features: Includes Buchholz relay, pressure relief valve, and oil level gauge for real-time monitoring.
Customizable Vector Group: Offers YNd11 / YNyn0d11 configurations to match specific power system requirements.
OEM/ODM Services: Full customization available from samples, designs, or minor adjustments.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤0.88h
About Our Factory & Business Background
AddressNo. 788 Wenyi Road, Bihu Industrial Park, Liandu District, Lishui, Zhejiang, China
Plant Area50369.12 square meters
Number of Employees167
Registered Capital107,580,000 RMB
Terms of PaymentT/T
International Commercial Terms(Incoterms)FOB, CIF
Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays
Minimum Order Quantity1
Supply Chain Partners80
Our Production Capability & Technical Expertise
Main ProductsTransformer Switchgear Substation
Production Lines2
Production MachinesPunching machine, Laser cutting machine, CNC bending machine, Winding machine, Drying machine
QA/QC inspectors3 people
Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)
Inspection Method for Finished ProductsFinished product checked by packing staff
R&D Engineers7 people
Traceability of Raw MaterialsYes
Our Industry Experience & Global Business Record
Year of Establishment2003-12-05
Main MarketsDomestic
Repeat Buyers Choice30%~50%
Number of Foreign Trading Staff1
Overseas Agent/BranchYes
New Products Launched in Last yearYes
Our Certifications, Standards & Industry Recognition
Management System CertificationISO9001:2015, ISO14001, ISO45001:2018
Product CertificationCE
Cooperated with Fortune 500No
Product Q&A
Q:What is the cooling method used?
A:
The SF20 series uses ONAN (natural) or ONAF (forced air cooling) methods with automatic fan activation.
Q:What is the rated capacity range?
A:
The capacity ranges from 10,000 kVA to 120,000 kVA depending on the cooling configuration.
Q:Can the vector group be customized?
A:
Yes, the vector group is customizable, typically offering YNd11 or YNyn0d11 options.
Q:What is the expected service life?
A:
The transformer is designed for a service life of at least 30 years with proper maintenance.
Q:Does it support overload conditions?
A:
Yes, it supports 120% rated load continuously and 150% for short-term emergency dispatch.
Send Inquiry
*To:
Zhejiang Tianrun Electric Co., Ltd.
Zhejiang Tianrun Electric Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Substation-Grade Oil Immersed Transformer with High Mechanical Strength and Stable Output
US$3,000.00
1 Piece(MOQ)
Durable 2000kVA Oil Immersed Transformer with Copper Windings and Strong Cooling System
US$900.00-3,000.00
1 Piece(MOQ)
Eco-Friendly Transformer with Superior Insulation and Oil Immersion
US$900.00-3,000.00
1 Piece(MOQ)
220kv 125mva Power Transformer with Advanced Cooling Radiator and Oltc System
US$90,000.00-700,000.00
1 unit(MOQ)
Robust Outdoor Transformer with Advanced Oil Immersion Technology
US$2,800.00-60,000.00
1 Set(MOQ)
Robust Transformer for Industrial Electrical Systems and Facilities
US$3,000.00-30,000.00
1 Piece(MOQ)
Industrial Grade Oil Immersed Transformer 30-20000kVA with Enhanced Cooling Structure
US$900.00-3,000.00
1 Piece(MOQ)
200kVA Oil-Immersed Power Transformer 35kv with Robust Design for Industrial and Commercial Use
US$826.00-6,842.00
1 Set(MOQ)
Robust High Power Transformer with Onan Cooling for Industrial Efficiency
US$7,800.00-13,880.00
1 Piece(MOQ)
Durable Oil Type Transformer with Robust Cooling System
US$1,200.00-2,600.00
1 Piece(MOQ)
150kv 100mva Power Transformer with Forced Oil and Air Cooling System
US$40,000.00-660,000.00
1 unit(MOQ)
Premium 10kv Transformer with Innovative Oil Cooling System
US$2,800.00-60,000.00
1 Set(MOQ)
Durable Heavy Duty Industrial Grade Oil Immersed Transformer for Mining Site with CE S11 10kv 250kVA
US$1,300.00-18,000.00
1 Piece(MOQ)
Efficient Three-Phase Transformer with Superior Oil Cooling System
US$2,458.00-2,558.00
1 Set(MOQ)