S22 Oil-Immersed Distribution Transformer, 25–250 | RFQ Sourcing Details
Distribution Transformers · Quote on request
This is a product procurement detail page: check specs, images, category context and related sourcing paths before sending an RFQ.
Product specs
Buyer's Digest
Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Distribution Transformers. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.
Original product description
The S22 is a fully sealed, two-winding oil-immersed distribution transformer intended for electrical power applications. The stated design uses a corrugated tank to accommodate changes in oil volume without a separate oil conservator.
Listed configuration options include single-phase or three-phase construction, 50 or 60 Hz frequency, and off-circuit or on-load voltage regulation. Available capacity is stated as 25–2500 kVA, while the published technical table covers ratings from 30 to 2500 kVA.
Listed voltage levels include 10, 11, 13.8, 15, 17.5, 20, 22, 24, 30, 33, 35, and 36 kV, with other voltage requirements subject to customization. Published connection options include Dyn11 and Yyn0, or a requested alternative.
Listed tapping ranges include ±5%, ±2 × 2.5%, and ±4 × 2.5%, depending on the selected design. The product information identifies a silicon-steel-sheet core, insulation class A, and heat-resistance grade F at 100°C. It also describes a visible oil-level gauge and a tank fitted with heat-dissipation surfaces.
The stated standard operating conditions are altitude not exceeding 1,000 m and ambient temperature not exceeding 40°C;parameters may require adjustment when the installation falls outside those conditions. Before procurement, the buyer should issue a complete transformer data sheet.
Confirm rated power, primary and secondary voltages, system frequency, phase arrangement, vector group, impedance, tapping method and range, insulation levels, conductor material, allowable losses, temperature-rise limits, enclosure details, accessories, and terminal arrangement.
The listing contains inconsistent descriptions of the core technology and should not be treated as confirmation of an amorphous-metal core;request the final approved design document and material declaration.
Buyers should also confirm whether the intended installation is pole-mounted or ground-mounted and obtain verified dimensions, total mass, oil mass, drawings, test requirements, and applicable certification documents for the exact ordered configuration.
S22 | Applications and Buyer Notes
S22 is organized as a sourcing-ready Distribution Transformers reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-time que
Applications
- Initial shortlist building for related product or supplier options.
- Specification and application fit review before bulk purchasing.
- Category, keyword and detail-page comparison before sending an RFQ.
Key specifications
- Category
- Distribution TransformersBased on visible page data; confirm exact value in the RFQ.
- Unit
- setBased on visible page data; confirm exact value in the RFQ.
- Model
- S22Based on visible page data; confirm exact value in the RFQ.
- Phases
- Single phase or three phaseBased on visible page data; confirm exact value in the RFQ.
- Frequency
- 50 Hz or 60 HzBased on visible page data; confirm exact value in the RFQ.
- Packaging
- Export-standard wooden caseBased on visible page data; confirm exact value in the RFQ.
- Customization
- AvailableBased on visible page data; confirm exact value in the RFQ.
- Insulation class
- Class ABased on visible page data; confirm exact value in the RFQ.
Buyer tips
- State quantity range and split-delivery needs before price comparison.
- Add certification, material or inspection standards when they affect acceptance.
- For time-sensitive projects, include target arrival date and destination.
- For special applications, describe operating condition, installation environment and duty cycle.
FAQ
What should buyers confirm first?
Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.
Can buyers inquire when specs are incomplete?
Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.
How should this listing be evaluated?
Check title, category, specifications and related keywords against the actual sourcing requirement.
Source mix: ugc
Key specifications
Product sourcing keywords
These terms come from the title, visible copy and specifications, and link into matching aggregate pages.
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These links connect the detail page back to category hubs, procurement aggregates and knowledge pages so new inventory is not isolated.
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