250 kVA 6.6kV Three-Phase Cast Resin Dry Transformer

Technical Specifications

Rated Capacity	250 kVA
High Voltage	6.6 kV
Low Voltage	0.4 kV / 0.415 kV / 0.48 kV / customized
Frequency	50 Hz / 60 Hz
Phase	Three Phase
Insulation Type	Cast resin
Cooling Method	AN natural air cooling
Core Material	CRGO silicon steel
Enclosure	Open type / enclosure optional
Standard	IEC / customized project specification
Installation	Indoor
Application	Indoor distribution / commercial buildings / industrial power systems

Pricing & Availability

Reference FOB Price

USD 4050

Public Marketplace Range

$1,800 – $3,450

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

Minimum Order

1 Set

Units in Stock

5

Model / Series

Special 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_THREE_PHASE_CAST_RESIN_DRY_TRANSFORMER

Last Updated

2026-04-06 00:58:38.332493

Technical Highlights

This product offers the advantages of indoor safety, low maintenance, and practical installation flexibility. It supports projects that need reliable electrical performance, oil-free operation, and configurable insulation, enclosure, monitoring, or cooling features for modern indoor distribution systems.

Application Scenarios

Commercial buildings and office complexes
Hospitals, schools, and public facilities
Industrial workshops and manufacturing plants
Data centers and mission-critical electrical rooms
Indoor infrastructure and utility support projects

Key Features

250 kVA rated capacity for safe indoor distribution and equipment supply
Dry-type insulation system suitable for indoor, low-maintenance installations
Three-phase construction for commercial, industrial, infrastructure, or special applications
Available with customized voltage ratio, enclosure, monitoring, and cooling options
Supports project-based IEC specifications and export-oriented documentation
Designed for dependable service where oil-free installation is preferred

Optional Configurations

High-voltage and low-voltage rating
Enclosure level: IP00 / IP20 / IP23 / customized
Temperature controller and smart monitoring options
Cooling mode: AN / AF and fan arrangement
Winding material and insulation class
Project-specific standards and test document requirements
Color, nameplate language, and document package
Ambient temperature, altitude, and installation condition adaptation

Frequently Asked Questions

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

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.

Minimum order quantity is 1 Set. 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.

Related Markets & Resources

Buyer's Guide

How to source from China

IEC vs ANSI Standards

Which standard for your project?

Standards & Compliance