700 kVA 11 kV/420 V Three-Phase Oil-Immersed Dist | 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.
Quote on requestProduct 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 three-phase, oil-immersed distribution transformer is identified as model S11-700kVA 11kV-420V. The listing describes a 700 kVA, 11 kV-to-420 V configuration for power service and outdoor substation use.
It specifies a shell-type core, multi-winding construction, oil-immersed cooling, power-frequency operation, and a choice of copper or aluminum winding material. The stated normal operating environment includes ambient temperatures from -25°C to 55°C, relative humidity up to 95%, and altitude not exceeding 1,000 m.
Use above 1,000 m requires derating. The installation location should be free from chemical deposits, excessive dust, and explosive or corrosive media that could adversely affect transformer insulation. The incoming supply should approximate a sinusoidal waveform, with relatively balanced three-phase voltage.
Configuration details require written confirmation before procurement. The source information also contains conflicting entries for rated capacity and primary/secondary voltage, so buyers should not release an order from the headline ratings alone.
Request an approved technical drawing and nameplate schedule confirming the required kVA rating, high- and low-voltage values, frequency, vector group, insulation class, winding conductor, tapping arrangement, accessories, losses, impedance, temperature-rise limits, enclosure details, and applicable test requirements.
Customization is stated as available. Listed vector-group options include Yd11, Dy11, Yy6, Yd5, and Dy1, while an optional temperature controller is mentioned. These selections should be engineered and documented for the intended network rather than assumed to be included in the standard configuration.
Also confirm installation dimensions, total and oil weights, terminal arrangement, protection devices, oil specification, routine and type-test documentation, and the exact scope of supplied accessories.
For commercial evaluation, confirm the final manufacturing lead time, packaging dimensions, shipping weight, inspection plan, warranty start point, exclusions, and after-sales procedure in the purchase contract.
The stated mass-production lead time is 7–25 working days depending on order quantity, and the stated warranty is at least 12 months, but project-specific terms should be verified before purchase.
700 | Applications and Buyer Notes
700 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
- S11-700kVA 11kV-420VBased on visible page data; confirm exact value in the RFQ.
- Altitude
- Up to 1,000 m without stated deratingBased on visible page data; confirm exact value in the RFQ.
- Core form
- Shell-typeBased on visible page data; confirm exact value in the RFQ.
- Product type
- Three-phase oil-immersed power transformerBased on visible page data; confirm exact value in the RFQ.
- Winding type
- Multi-windingBased on visible page data; confirm exact value in the RFQ.
- Cooling method
- Oil-immersedBased 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
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