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1250KVA-0.4/25KV Step-Up Oil Immersed Transformer for Reliable Power Distribution

Product Summary

The 1250kVA 25kV/0.4kV Three-Phase Oil Immersed Distribution Transformer is designed for medium-voltage power distribution systems requiring reliable step-down transformation to low-voltage supply. Manufactured in accordance with IEC standards, the transformer ensures stable perf

Key Attributes
Brand Name: HENTG POWER
Model Number: 1250KVA-0.4/25KV
Place of Origin: Jiangsu
Certification: CE/IEC 60076
MOQ: 1
Price: 15838$
Supply Ability: Be able to provide the quantity you need
Delivery Time: 30 days
Payment Terms: D/P,T/T,L/C,Western Union,D/A
Standard Packaging: Wooden crate packaging
Product Custom Attributes
Highlight

1250KVA oil immersed transformer

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step-up power transformer 25KV

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reliable power distribution transformer

Product Name:
Oil Immersed Transformer
Model:
1250KVA-0.4/25KV
Rated Capacity:
1250KVA
Rated Voltage:
HV: 0.4 KV LV: 25 KV
Winding Material:
Copper/Aluminum
Vector Group:
Dyn11
Frequency:
50 Hz
Phase:
Three-phase
Cooling Method:
ONAN
Noise Level:
≤65dB
Insulation Heat Resistance Grade:
A
Tapping Changer:
±2*2.5%
Ambient Temperature:
-25℃ ~ +45℃
Height:
≤1000m
Product Description
1250KVA-0.4/25KV Step-Up Oil Immersed Transformer for Reliable Power Distribution
This 1250kVA 25kV/0.4kV oil-immersed distribution transformer is engineered for efficient and reliable medium-to-low voltage power conversion in industrial, commercial, and utility distribution networks. Designed and manufactured in compliance with IEC standards, it ensures stable operation under various load conditions and grid fluctuations.
Core Design & Construction
The transformer features a high magnetic permeability silicon steel laminated core that minimizes no-load losses and enhances overall efficiency. Precision-manufactured high-conductivity copper windings ensure low temperature rise and strong short-circuit withstand capability.
Electrical Specifications
Rated Capacity 1250 kVA
High Voltage 25 kV
Low Voltage 0.4 kV
Vector Group Dyn11
Tap Changer Off-circuit tap changer for voltage regulation
Cooling & Protection
The ONAN cooling system provides efficient heat dissipation, making the transformer suitable for continuous outdoor operation. The fully sealed tank design prevents oil oxidation and moisture ingress, extending service life and minimizing maintenance requirements.
Key Features
  • IEC standard compliance for reliable performance
  • High-efficiency silicon steel core construction
  • Copper windings for superior conductivity
  • Compatible with most three-phase distribution systems
  • Weather-resistant sealed tank design
  • Low maintenance requirements
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