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Home > Step Up Transformer > 400V/11kv Step up Oil Immersed Transformer
400V/11kv Step up Oil Immersed Transformer
400V/11kv Step up Oil Immersed Transformer
400V/11kv Step up Oil Immersed Transformer
400V/11kv Step up Oil Immersed Transformer
400V/11kv Step up Oil Immersed Transformer
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400V/11kv Step up Oil Immersed Transformer
400V/11kv Step up Oil Immersed Transformer
400V/11kv Step up Oil Immersed Transformer
400V/11kv Step up Oil Immersed Transformer
400V/11kv Step up Oil Immersed Transformer

400V/11kv Step up Oil Immersed Transformer

Customization: Available
Application: Power
Phase: Three
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Product Description

🔹 Basic Specifications
Model NO.
S-30KVA-2500KVA
Core
Core-type Transformer
Cooling Method
Oil-immersed Type
Winding Type
Two-winding
Certification
ISO9001, CCC, CE
Usage
Power/Distribution Transformer
Shape of Core
Ring
Winding Material
Copper
Frequency
50 Hz / 60 Hz
Input Voltage
6kv - 35kv
Output Voltage
110V - 480V
Transport Package
Wooden Package
🔹 Product Overview
Step up Oil Immersed Transformer
Oil Immersed Transformer Details
Capacity≥10KVA
Primary Voltage6-35KV
Secondary Voltage120-450V
Winding materialsCopper/Aluminum
🔹 Main Product Showcase
Transformer Range
🔹 Company Overview
Professional Manufacturing

We are a leading professional manufacturer dedicated to the design, production, and sales of high-quality power transformers. Our company has built a solid reputation for robust engineering and reliable products that serve both domestic and international markets.

Our core business encompasses a comprehensive range of transformers, including Distribution Transformers (up to 35kV), Dry-Type Transformers, Oil-Immersed Transformers, and Compact Substations. We strictly adhere to international quality standards, holding ISO 9001 Quality Management System Certification, ensuring products meet IEC, CE, and other international norms.

Technical Strength: Operating from a modern facility spanning over 90,000 square meters, we boast an annual production capacity exceeding 3,000,000 kVA. Our manufacturing process integrates advanced equipment with skilled craftsmanship in core processing, coil winding, vacuum drying, and tank fabrication.
🔹 Factory & Certificates
Factory Production Line
Workshop
Certifications
🔹 Packaging & Transportation
Exhibition
Secure Packaging
Shipping Logistics
🔹 Frequently Asked Questions
Does your company hold relevant international quality certifications?
Yes, our factory is ISO 9001 certified. Our products comply with international standards such as IEC and CE. We can also apply for country-specific certifications upon request.
How do you ensure product quality during manufacturing?
We implement strict quality control across three stages: Source Control (supplier screening), Process Control (critical production stage monitoring), and Final Inspection (rigorous factory testing before shipment with provided reports).
What are the primary differences between copper and aluminum windings?
Copper windings offer higher conductivity, better efficiency, and longer lifespan but at a higher cost. Aluminum windings are a cost-effective, lighter weight, and fully qualified alternative. We recommend selection based on project budget and efficiency needs.
What is the standard delivery lead time?
Standard small transformers typically take 15-30 days. Large or custom units may require 45-90 days. Exact timeframes are confirmed upon specific inquiry.
How are transformers packaged for safe sea transport?
For LCL shipments, we use sturdy wooden crates with internal securing. For FCL, transformers are securely fastened directly inside the container to withstand long-distance ocean conditions.
What kind of after-sales technical support do you provide?
We offer remote guidance via video/email, a 12-month warranty from manufacture date, and can dispatch engineers for on-site service if required. We also guarantee long-term spare parts supply.

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