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13.8kV 34.5kV Oil Immersed Distribution Transformer IEC Standard ONAN Cooling Corrosion Resistant

Product Summary

Built for Tropical & Coastal Climates Engineered with anti-corrosion steel construction and weatherproof coating, ensuring long-term operation in humid, coastal, high-temperature, and heavy rainfall environments. Lightning Protection for Utility Networks Designed with reinforced insulation and surge ...

Key Attributes
Brand Name: TNNPI
Model Number: S11/S13/S20
Place of Origin: Henan, China
Certification: CE,UL,ISO
MOQ: 1 piece
Price: 650-18,000 / piece
Supply Ability: 5000pcs/year
Delivery Time: 7-14 work days
Payment Terms: L/C,D/A,D/P,T/T,Western Union
Standard Packaging: Export standard packaging
Product Custom Attributes
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Corrosion Resistant Oil Immersed Distribution Transformer

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IEC Standard Oil Immersed Distribution Transformer

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34.5kV Oil Immersed Distribution Transformer

Capacity/KVA:
25kVA–5000kVA / Up To 1250A
Rated Voltage:
11kV / 13.8kV / 24kV / 33kV / 34.5kV
Phase:
Three
Rated Frequency:
50Hz/60Hz
Ambient Temperature:
-25°C To +55°C
Application:
Substation
Type Of Cooling:
ONAN Oil Is Self-cooled
Cooling / Insulation:
ONAN / Air Insulated
Short Circuit Withstand:
20kA–31.5kA (3s)
Protection Degree:
IP54 / IP65
Standards:
IEC 60076 / IEC 62271 / IEC 61439
Customization:
Voltage, Capacity, Current, IP Rating, Color, OEM Logo
Product Description

Built for Tropical & Coastal Climates

Engineered with anti-corrosion steel construction and weatherproof coating, ensuring long-term operation in humid, coastal, high-temperature, and heavy rainfall environments.


Lightning Protection for Utility Networks

Designed with reinforced insulation and surge protection capability to improve grid reliability in regions with frequent thunderstorms.


Hermetically Sealed Maintenance-Free Tank

Fully sealed transformer tank prevents moisture ingress and oil oxidation, significantly reducing maintenance costs throughout its service life.


High Efficiency Copper Winding

Premium oxygen-free copper windings and low-loss silicon steel core provide excellent energy efficiency and stable voltage regulation.


International Standards

Manufactured according to IEC 60076 with optional ANSI, IEEE and local utility specifications.

Overall Rating
5.0
Based on 50 reviews recently
Rating Snapshot
5
100%
4
0
3
0
2
0
1
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All Reviews
A
Arao Matssan from Mozambique
Apr 10.2025
Clean appearance, robust construction—a dependable brand.
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A
Albert from Namibia
Jun 11.2024
5 star
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S
Saverio Puccio from Italy
Jun 11.2024
as expected
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