Products
400 KVA Transformer
Rated Power:400 kVA
Primary Voltage:11 kV
Secondary Voltage:400 V
Frequency:50 Hz
Cooling Method:ONAN (Oil Natural Air Natural) cooled
Winding Material:Copper or aluminum
Features
400 kVA Transformer Specification
The 400 kVA Transformer is a high-quality and reliable product designed to provide efficient power management and distribution solutions for a wide range of industrial and commercial applications. The following parameter table provides a detailed overview of the technical specifications and features of this transformer.

400 kVA Transformer Parameter Table
Parameter | Value |
Rated Power | 400kVA |
Primary Voltage | 11 kV |
Secondary Voltage | 400 V |
Frequency | 50 Hz |
Cooling Method | ONAN (Oil Natural Air Natural) cooled |
Winding Material | Copper or aluminum |
Efficiency | 98-99% |
Short Circuit Impedance | 4-5% |
Vector Group | YNd11 or Dyn11 |
Impedance Voltage | 4-6% |
400 kVA Transformer Cable Size | 3r x 300sq.mm |
400 kVA Transformer Load Capacity | 5.1 KW |
400 kVA Transformer Current Rating | 21.0A / 577.3A |
Ambient Temperature | 45°C max |
400 kVA Transformer Dimensions | H 900mm x W 1600mm x L 2000mm |
400 kVA Transformer Oil Capacity | 485L |
400 kVA Transformer Copper Weight | 850kg |
| 400 kVA Transformer Weight | 2450kg |
3 Phase 400 kVA Transformer Price | USD2*58.00/set |

The 400 kVA Transformer is designed to operate under a variety of conditions and to meet the stringent requirements of modern industrial and commercial settings. Its high efficiency, low maintenance, and reliable performance make it an ideal choice for power management applications.
Whether you need to distribute power to a large facility, operate heavy machinery, or manage a complex industrial process, the 400 kVA Transformer is the right choice for your needs. With its advanced features, robust construction, and reliable performance, this transformer provides a long-lasting and cost-effective solution for all your power management requirements.

FAQ:
1. What is a 400 kVA transformer?
A 400kVA transformer is an electrical device that is used to transfer electrical energy from one circuit to another at a power rating of 400 kilovolt-amperes.
2. What are the applications of a 400 kVA transformer?
A 400 kVA transformer is commonly used in power generation and distribution systems, as well as in industrial and commercial settings.
3. How does a 400 kVA transformer work?
A 400kVA transformer works by converting electrical energy from one voltage level to another through the use of electromagnetic induction. The transformer consists of two or more wire coils that are wound around a magnetic core.
4. What are the benefits of using a 400 kVA transformer?
A 400 kVA transformer allows for efficient transfer of electrical energy between different voltage levels, which can help save energy and reduce costs. It also helps to maintain power quality and stability in the electrical system.
5. What should I consider when choosing a 400 kVA transformer?
When choosing a 400kVA transformer, it is important to consider factors such as the voltage and current requirements of the system, the type of load being served, and the efficiency rating of the transformer. It is also important to ensure that the transformer meets safety standards and regulations.
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