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Buchholz Relay Oil Immersed Transformer Built to IEC60076 Standards Including Dyn 11 Vector Group for Power Grid Applications

Product Summary

Product Description: Our oil-immersed transformer is engineered to provide excellent cooling and insulation, ensuring dependable power distribution. The design incorporates a high-efficiency, low-loss core that enhances overall performance and energy savings. With its robust construction, this ...

Key Attributes
Brand Name: TNNPI
Model Number: ESP Transformer
Certification: CE,ISO,UL
MOQ: 1
Supply Ability: OEM/ODM
Delivery Time: 7-14 Business Days
Payment Terms: T/T,Western Union
Standard Packaging: Wooden Crate+steel Frame
Product Custom Attributes
Capacity Range:
<31500kVA
Thermal Insulation Level:
Class H/F
Coil Materials:
Cu/Cu
Warranty:
1 Year
Altitude:
Up To 1,000m Above Sea Level
Corematerial:
Silicon Steel
Product Description:
Oil Immersed Current Transformer
Input Voltage:
6kV 11kv 22kv 33kv 35kv 69kv
Product Description

Product Description:

Our oil-immersed transformer is engineered to provide excellent cooling and insulation, ensuring dependable power distribution. The design incorporates a high-efficiency, low-loss core that enhances overall performance and energy savings.

With its robust construction, this transformer boasts strong resistance to short circuits and offers remarkable overload capacity. These features contribute to stable operation and extend the transformer’s service life, making it a reliable choice for various applications.

Perfectly suited for power grids, industrial plants, and outdoor environments, our oil-filled transformer is designed for durability and ease of maintenance. In addition, it operates with minimal noise levels, helping to reduce your total operational expenses while maintaining high performance.


Features:

  • Product Name: Oil Immersed Transformer
  • Type: Oil Immersed Electrical Transformer
  • Cooling Method: Oil Immersion
  • Thermal Insulation Level: Class H/F
  • Core Material: Silicon Steel
  • Reference Standards: IEC60076
  • Output Voltage: 400v, 415v
  • Also known as Oil Filled Distribution Transformer
  • Designed for efficient heat dissipation and reliable performance

Technical Parameters:

Altitude Up To 1,000m Above Sea Level
Vector Group Dyn 11
Cooling Method Oil Immersion
Coil Materials Cu/Cu
Output Voltage 400v, 415v
Input Voltage 6kV, 11kV, 22kV, 33kV, 35kV, 69kV
Reference Standards IEC60076
Warranty 1 Year
Shape Rectangle
Core Material Silicon Steel

Applications:

The TNNPI ESP Transformer is a high-quality Oil Immersed Electrical Transformer designed to meet the demanding requirements of modern power distribution systems. Manufactured in Henan and certified with CE, ISO, and UL standards, this Oil Filled Distribution Transformer ensures reliability and safety in various electrical applications. Its robust construction includes premium Cu/Cu coil materials and is built in compliance with IEC60076 reference standards, making it an ideal choice for both industrial and commercial environments.

This Oil Filled Distribution Transformer is widely applicable in scenarios where efficient voltage transformation and electrical isolation are critical. It is commonly used in power generation plants, substations, and distribution networks to step down high voltage electricity to lower, usable voltages such as 400v and 415v for safe consumption. The oil immersion enhances the cooling and insulation properties, ensuring stable operation even under heavy load conditions.

Protection features such as the Buchholz Relay and Pressure Relief Device make the ESP Transformer highly reliable for continuous operation, preventing damage caused by internal faults or pressure build-up. This makes it especially suitable for environments where safety and uninterrupted power supply are paramount, such as hospitals, data centers, and industrial automation facilities.

Thanks to its OEM/ODM supply ability and a minimum order quantity of just one unit, the TNNPI ESP Transformer offers flexibility for various project sizes. The product is securely packaged in a wooden crate with a steel frame to ensure safe delivery within 7-14 business days. Payment terms including T/T and Western Union further simplify the procurement process.

In summary, the TNNPI Oil Filled Distribution Transformer (ESP Transformer) is perfect for applications requiring a reliable Oil Immersed Electrical Transformer with advanced protection features and compliance with international standards. Whether for new installations or equipment upgrades, this transformer provides an efficient and durable solution for electrical power distribution needs.


Overall Rating
5.0
Based on 50 reviews recently
Rating Snapshot
5
100%
4
0
3
0
2
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All Reviews
Z
Zetta from Bangladesh
Sep 17.2025
that is the good supplier!
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K
Kutowa Associates from Colombia
Aug 15.2025
Simple installation, quiet operation, energy-efficient and highly effective.
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J
juytoo from Malaysia
Aug 13.2025
Fine craftsmanship and stable performance—the top choice among no-load tap changers.
Review Image
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