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off Load Tap Changer Used for Oil-Immersed Transformer
US$100.00-1,000.00
10 Pieces
Product profile
Customization
AvailableApplication
PowerPhase
ThreeModel NO.
SwitchCore
Core-type TransformerCooling Method
Oil-immersed Type TransformerWinding Type
Multi-winding TransformerCertification
ISO9001-2000, ISO9001Usage
Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power TransformerFrequency Characteristics
Power FrequencyShape of Core
RingBrand
ZexingHigh Voltage
25kvLow Voltage
0.4kvRated Capacity
1500kVAFrequency
50/60HzImpedance
4%/5%Material
Copper/AlumniumVector Group
Dyn11/Yyn0Transport Package
Wooden CartonsSpecification
AS PER CLIENT REQUIREDTrademark
ZEXINGOrigin
Chongqing ChinaHS Code
8504210000Production Capacity
500000Key features
Wide Power Range: Rated power spans from 50kVA to 500MVA with common models available.
Multiple Cooling Methods: Offers ONAN and OFAF cooling options for diverse operational needs.
High Insulation Performance: Transformer oil prevents electrical failures and enhances system safety.
Excellent Heat Dissipation: Oil circulation ensures stable operation under prolonged heavy loads.
Eco-Friendly Design: Uses environmentally friendly insulating oil meeting modern standards.
Moisture Resistance: Superior sealing protects against humidity and insulation degradation.
Reliable Stability: High-quality copper windings and silicon steel cores ensure efficiency.
International Certifications: Holds ISO 9001, ISO 14001, CE, and complies with GB/T 6451 & IEC 60076.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2020-03-01Nearest Port: Chongqing, Shanghai, NingboAverage Response Time: ≤3.76hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, CIP, FCA
AI-Powered supplier vetting
SummaryThe supplier is a limited company with five employees and a valid import/export license. It reports an annual production capacity of 60,000 tons and cooperation with Chinese national and local power grids, but the provided information does not independently verify these claims. The supplier offers sample, design, full, and minor customization, provides ODM services, and reports new product activity during the past year, with one R&D engineer identified. Service limitations include no overseas agents or branches, overseas warehouses, overseas showroom, inventory capability, or offline trade-show participation. Financial records are indicated for 2021–2023, but no financial figures or assessment results are provided. No formal certification, after-sales capability, or specific customer cases are documented.
Supplier typeThe supplier is legally identified as a limited company, not part of a larger company group, with five employees and a valid import/export license. Its stated business scopes cover mechanical equipment, wind turbines and components, rail-transit systems, environmental equipment, underwater systems, hardware, and other products, indicating a diversified trading and industrial-equipment profile.
R&D capabilityThe supplier reports new products during the past year, identifies one R&D engineer, and provides ODM services. However, it has no available SDK, and no R&D spending, patents, laboratory resources, or documented innovation results are supplied; the evidence supports some innovation activity but not a broad or strongly validated capability.
Production capacityThe supplier states annual production capacity of 60,000 tons and the ability to produce multiple product lines simultaneously while shortening production cycles. It reports one-month average lead times in both peak and off-season, but no inventory capability, no confirmed manufacturing-capacity contract, and no detailed product-specific tonnage are provided.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, and minor customization. It also reports ODM service availability, providing direct evidence of broad product-design and customization support.
Client casesThe supplier states that it is one of the cooperating manufacturers for the Chinese National Power Grid and local power grids. This is a stated customer-related reference, but no customer names, contracts, project details, order scope, or independent verification are provided; no other specific customer cases are documented.
Product Q&A
Q:What is the rated power range?
A:
The rated power ranges from 50kVA to 500MVA, with common models including 50kVA, 100kVA, 200kVA, and 500kVA.
Q:What cooling methods are available?
A:
Available cooling methods include ONAN (oil natural air natural) and OFAF (oil forced air forced).
Q:What certifications does the product have?
A:
The product holds ISO 9001, ISO 14001, and CE certifications, and complies with GB/T 6451 and IEC 60076 standards.
Q:Can the transformer be customized?
A:
Yes, customized designs and OEM support are available for high voltage, low voltage, and rated capacity.
Q:What are the typical voltage ratings?
A:
HV rated voltage includes 10kV, 35kV, 110kV, and 220kV. LV rated voltage includes 400V, 660V, and 1000V.
Send Inquiry
*To:
Chongqing Zexing Electrical Equipment Co., Ltd.
Chongqing Zexing Electrical Equipment Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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