S11/S13 Three-Phase Oil-Immersed Distribution Tra | 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
This S11/S13 three-phase oil-immersed distribution transformer is offered for power and lighting distribution duties. The published 30–2500 kVA range covers high-voltage selections from 6 to 11 kV with a listed 0.4 kV low-voltage side.
Rated voltage can be customized, while stated connection-group options include Dyn11 and Yyn0. Copper or aluminum winding material is available, and the listed operating frequency is 50/60 Hz. The transformer is described as a core-type, two-winding, power-frequency design.
Its fully sealed configuration uses a corrugated oil tank to accommodate oil-volume changes without a conventional oil conservator. Published product information associates this construction with isolation of the transformer oil from ambient air and reduced oil deterioration and insulation aging.
Listed component options include an oil tank, conservator, Buchholz relay, breather unit, oil-level indicator, temperature detector, pressure-relief device, thermal relay, radiator, and bushings.
Because some components depend on the selected tank and protection configuration, buyers should confirm the final accessory schedule rather than assume that every listed component is included in every model.
The available rating table lists no-load loss, load loss, no-load current, and short-circuit impedance by capacity. Short-circuit impedance is shown as 4% for ratings through 500 kVA, 4.5% from 630 to 1600 kVA, and 5% for 2000 and 2500 kVA. Tapping ranges are listed as ±5% or ±2 × 2.5%, subject to the selected design.
Published standards and certification references include IEC, GB, ANSI/IEEE, CE, ISO, CCC, UL, and GOST. These references are not necessarily applicable to every voltage, rating, configuration, or destination.
Before ordering, request model-specific certificates, test reports, drawings, and nameplate data to verify the exact compliance scope.
For procurement, confirm the required rated capacity, primary and secondary voltages, tap range, vector group, frequency, winding conductor, impedance, loss limits, enclosure and cooling arrangement, site altitude, ambient conditions, protection accessories, terminal arrangement, and installation environment.
Buyers should also agree on factory acceptance testing, inspection points, shipping configuration, accessory packing, installation support, and the exact two-year warranty terms in the purchase documents.
S11 | Applications and Buyer Notes
S11 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.
- Phase
- Three phaseBased on visible page data; confirm exact value in the RFQ.
- Series
- S11 / S13Based on visible page data; confirm exact value in the RFQ.
- Warranty
- Two years listedBased on visible page data; confirm exact value in the RFQ.
- Frequency
- 50/60 HzBased on visible page data; confirm exact value in the RFQ.
- Packaging
- Wooden case or palletBased on visible page data; confirm exact value in the RFQ.
- Tap range
- ±5% or ±2 × 2.5%Based 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
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