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YZN11 Energy Efficient Distribution Transformer 11kV 33kV Oil Immersed Power Transformer for Utility Grid

Product Summary

Energy-saving YZN11 distribution transformer provides reliable power conversion with low losses, high efficiency and long service life for modern distribution networks. Energy Efficient Transformer Design YZN11 energy efficiency class reduces operating costs Low no-load and load losses improve ...

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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YZN11 Efficient Distribution Transformer

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Energy Efficient 11kV Distribution Transformer

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YZN11 Utility Grid 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
  • Energy-saving YZN11 distribution transformer provides reliable power conversion with low losses, high efficiency and long service life for modern distribution networks.

    Energy Efficient Transformer Design

    • YZN11 energy efficiency class reduces operating costs
    • Low no-load and load losses improve lifetime efficiency
    • Suitable for energy-saving grid upgrade projects

    Reliable Oil Cooling System

    • Fully sealed oil tank prevents moisture ingress
    • High-quality insulating oil improves thermal performance
    • Maintenance-friendly design for long-term operation

    Flexible Voltage and Capacity Options

    • 10kV-35kV voltage range
    • 30kVA-5000kVA capacity customization
    • Supports IEC/ANSI standards

    Global Grid Adaptability

    • Designed for tropical, coastal and high-temperature environments
    • Corrosion-resistant enclosure options available

    Applications:

    • Utility companies
    • Rural electrification projects
    • Commercial buildings
    • Renewable energy systems
Overall Rating
5.0
Based on 50 reviews recently
Rating Snapshot
5
100%
4
0
3
0
2
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1
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All Reviews
B
Benfica Ross from Mozambique
Oct 14.2025
More durable than expected—truly trustworthy.
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J
Juanito Tronzon from United States
Aug 26.2025
The conservator effectively prevents oil expansion and contraction—safe and durable.
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D
David Eads from United States
Jun 15.2025
Outstanding insulation performance—safe and worry-free.
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