2500 kVA 11kV Three-Phase On-Load Tap Changer (OLTC) Transformer

Oil-Immersed Transformers · Custom & Industrial Oil

2500 kVA Three-Phase On-Load Tap Changer (OLTC) Transformer

This 2500 kva three-phase on-load tap changer (oltc) 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.

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Technical Specifications

Rated Capacity 2500 kVA
High Voltage 11 kV
Low Voltage 0.4 kV / 0.415 kV / 0.433 kV / customized
Frequency 50 Hz / 60 Hz
Phase Three Phase
Cooling Method ONAN / ONAF optional
Vector Group Dyn11 / Yyn0 / YNd11 / customized
Tap Changer On-load tap changer (OLTC)
Tapping Range ±8 x 1.25% / 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 23000

Public Marketplace Range

$12,700 – $24,000

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

Minimum Order

1 Set

Units in Stock

5

Model / Series

OLTC

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

Product Information

Product ID

2500_KVA_11KV_THREE_PHASE_ON_LOAD_TAP_CHANGER_OLTC_TRANSFORMER

Last Updated

2026-04-06 00:58:37.699791

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 2500 kva three-phase on-load tap changer (oltc) transformer. Our team can recommend a suitable configuration and provide a quotation based on your project requirements.

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