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35/0.4 kV Three-Phase European-Style Prefabricated Compact Substation with Cast-Coil Dry-Type Transf
Distribution Transformers

35/0.4 kV Three-Phase European-Style Prefabricate | RFQ Sourcing Details

Distribution Transformers · Quote on request

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Product specs

CategoryDistribution Transformers
Unitset
PhaseThree-phase
CustomizationVoltage, capacity, frequency, winding material, losses, temperature rise, and project-specific design
Nominal voltage35/0.4 kV
Frequency options50 Hz or 60 Hz
Insulation class optionsClass F or Class H
Transformer constructionCore-type, two-winding, epoxy-resin cast, oil-free dry type
CategoryDistribution Transformers
AvailabilityInquiry required
Source date2026-07-21

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 European-style prefabricated compact substation is specified for 35/0.4 kV three-phase power distribution and incorporates a cast-coil dry-type transformer. The transformer is described as a core-type, two-winding design using epoxy-resin casting and an oil-free insulation system.

It is intended for power-distribution projects requiring a compact substation configuration. The available dry-type transformer range includes voltage classes from 6 kV to 35 kV and rated capacities from 30 kVA to 25,000 kVA, depending on the selected model.

For the listed 35 kV dry-type transformer configurations, stated vector-group options include Dyn11, Yd11, and YNd11, with Class F or Class H insulation. Both off-circuit and on-load voltage-regulation configurations are listed.

The exact combination available for a 35/0.4 kV compact substation must be established during technical selection. Configuration options include 50 Hz or 60 Hz frequency, copper or optional aluminum windings, multiple voltage levels, customized loss requirements, and different temperature-rise specifications.

Listed enclosure protection options for the transformer include IP00, IP20, and IP23. Design-based, sample-based, OEM, and ODM customization are available. The source describes the dry-type design as fire resistant, moisture resistant, dust resistant, low loss, and low noise.

Because these characteristics depend on the selected enclosure, insulation system, loss class, and project design, buyers should request model-specific test values and construction details before approval.

Procurement questions to confirm: the required rated capacity;primary and secondary voltages;system frequency;vector group;impedance;tapping range;regulation method;copper or aluminum winding;insulation and temperature-rise class;enclosure protection level;cooling and ventilation provisions;site altitude and ambient temperature;maximum permissible noise and loss values;short-circuit requirements;included medium- and low-voltage equipment;overall dimensions and mass;applicable project standards;required routine and type-test documentation;installation interface;packing;delivery schedule;and after-sales scope.

Certification applicability should also be verified for the exact ordered configuration rather than assumed from general product-family information.

35 | Applications and Buyer Notes

35 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 ques

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.
Customization
Voltage, capacity, frequency, winding material, losses, temperature rise, and prBased on visible page data; confirm exact value in the RFQ.
Nominal voltage
35/0.4 kVBased on visible page data; confirm exact value in the RFQ.
Frequency options
50 Hz or 60 HzBased on visible page data; confirm exact value in the RFQ.
Insulation class options
Class F or Class HBased on visible page data; confirm exact value in the RFQ.
Transformer construction
Core-type, two-winding, epoxy-resin cast, oil-free dry typeBased 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

CategoryDistribution Transformers
Unitset
PhaseThree-phase
CustomizationVoltage, capacity, frequency, winding material, losses, temperature rise, and project-specific design
Nominal voltage35/0.4 kV
Frequency options50 Hz or 60 Hz
Insulation class optionsClass F or Class H
Transformer constructionCore-type, two-winding, epoxy-resin cast, oil-free dry type
Winding material optionsCopper standard;aluminum optional
Voltage regulation optionsOff-circuit or on-load regulation
Available rated-capacity range30 kVA to 25,000 kVA, model dependent
Listed protection-level optionsIP00, IP20, or IP23

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