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33kV Oil Immersed Distribution Transformer Weather Resistant IEC Standard for Tropical Utility Power Projects

Product Summary

Product Features Designed specifically for power utilities operating in tropical and coastal regions. IEC 60076 Standard 33kV Utility Distribution Design Heavy-Duty Corrosion Protection High Humidity Resistant Structure Lightning Protection Optimized Fully Sealed Oil Tank ONAN Cooling High Quality ...

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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33kV Oil Immersed Distribution Transformer

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IEC Standard Oil Immersed Distribution Transformer

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Weather Resistant 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

Product Features

Designed specifically for power utilities operating in tropical and coastal regions.

  • IEC 60076 Standard
  • 33kV Utility Distribution Design
  • Heavy-Duty Corrosion Protection
  • High Humidity Resistant Structure
  • Lightning Protection Optimized
  • Fully Sealed Oil Tank
  • ONAN Cooling
  • High Quality Mineral Oil
  • Excellent Short Circuit Strength
  • Low Operating Loss

Applications

Ideal for

  • National Grid Projects
  • Utility Companies
  • Solar Power Plants
  • Wind Farms
  • Rural Electrification
  • Government Infrastructure
  • Industrial Parks
  • Island Distribution Systems

Custom Solutions

Available customization includes

  • Capacity up to 5000kVA
  • Voltage ratio customization
  • HV/LV terminal arrangement
  • Stainless steel accessories
  • Tropical anti-corrosion package
  • ANSI / IEC standards
  • Remote monitoring option
  • OEM branding

FAQ

Q1. Can this transformer withstand typhoon conditions?

Yes. Reinforced structures and anti-corrosion coatings are available for severe weather environments.

Q2. Which countries is this model commonly exported to?

Widely supplied to the Philippines, Indonesia, Vietnam, Zambia, Nigeria and other tropical markets.

Q3. What cooling method is recommended?

ONAN is standard, while ONAF is available for higher load requirements.

Q4. Is customized voltage available?

Yes. We manufacture according to local utility specifications.

Overall Rating
5.0
Based on 50 reviews recently
Rating Snapshot
5
100%
4
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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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Arif Electronics from Bangladesh
Jan 8.2025
Every thing was ok, good service good profucts and good price
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M
Marc Edwin from United Kingdom
Jan 6.2024
Good product and communication.
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