250 kVA 6.6kV/400V Three-Phase Oil Distribution Transformer

Oil-Immersed Transformers · Custom & Industrial Oil

250 kVA /400V Three-Phase Oil Distribution Transformer

This 250 kva /400v three-phase oil distribution transformer is configured for a specific operating condition, application environment, or project requirement. It combines proven transformer platform design with targeted customization for winding material, environmental resistance, monitoring, voltage regulation, or special-duty performance according to export project needs.

Request Quote Back to Catalog

Technical Specifications

Rated Capacity 250 kVA
High Voltage 6.6 kV
Low Voltage 400 V
Frequency 50 Hz / 60 Hz
Phase Three Phase
Cooling Method ONAN
Vector Group Dyn11 / Yyn0 / YNd11 / customized
Tap Changer Off-circuit tap changer
Tapping Range ±2 x 2.5% / ±5% / customized
Winding Material Copper / Aluminum
Core Material CRGO silicon steel
Insulation Medium Mineral insulating oil
Tank Type Corrugated tank / conservator tank optional
Impedance Voltage According to standard / customized
No-Load Loss According to standard / customized
Load Loss According to standard / customized
Standard IEC / customized project specification
Installation Outdoor
Application Utility distribution / industrial power / infrastructure projects

Pricing & Availability

Reference FOB Price

USD 2550

Public Marketplace Range

$1,400 – $2,700

Based on public listings. Often lead-generation or minimum-config prices — not full-scope.

Minimum Order

1 Set

Units in Stock

5

Model / Series

Custom voltage

Indicative export reference only. Final offer depends on voltage, standards, materials, accessories, and project scope. Request a firm quote →

Product Information

Product ID

250_KVA_6_6KV_400V_THREE_PHASE_OIL_DISTRIBUTION_TRANSFORMER

Last Updated

2026-04-06 00:58:37.761353

Technical Highlights

  • This product combines dependable transformer platform design, flexible project configuration, and practical export-oriented construction. It is suitable for applications requiring stable electrical performance, configurable voltage ratios, outdoor durability, and documentation support for international project supply.

Application Scenarios

  • Utility distribution networks
  • Industrial plants and workshops
  • Commercial buildings and mixed-use developments
  • Public infrastructure projects
  • Regional and municipal power distribution systems

Key Features

  • Designed for electrical control, automation, and load-side switching functions
  • Configurable internal component arrangement according to process and feeder requirements
  • Supports communication, metering, and interface options for smart plant integration
  • Cabinet construction suitable for industrial and infrastructure environments
  • Project-oriented documentation, labeling, and wiring scheme support available
  • Suitable for export supply and customized control-package delivery

Optional Configurations

  • Low-voltage side rating and voltage ratio
  • Frequency: 50 Hz or 60 Hz
  • Vector group and tapping range
  • Copper or aluminum winding
  • Cooling method, accessory package, and monitoring option
  • Tank structure, coating system, and special environmental adaptation
  • Color, nameplate language, and document package
  • Ambient temperature, altitude, and installation condition adaptation

Standards & Compliance

The product can be produced according to IEC standards and customer technical specifications. Routine factory tests, inspection records, and technical documentation can be provided before shipment. Optional configurations for project-specific grid, environmental, and accessory requirements are available upon request.

Packaging, Delivery & Service

The product is prepared for export shipment with suitable packing and transport arrangements based on destination and handling requirements. Technical documents, test reports, nameplate confirmation, and pre-shipment support can be supplied according to order requirements. OEM/ODM support and project-based coordination are available for qualified inquiries.

Please send us your required capacity, high voltage, low voltage, frequency, cooling preference, and installation conditions for the 250 kva /400v three-phase oil distribution transformer. Our team can recommend a suitable configuration and provide a quotation based on your project requirements.

Ready to Proceed?

Request a Quote for 250 kVA /400V Three-Phase Oil...

Share your project scope and we'll respond within 24 hours.

Get a Quote