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Factory supplied mva power transformer 30 to 125kVA 11kV 0.433kV cost effective choice for Africa distribution networks

Product Summary

Cost-effective 30-125kVA transformer for African distribution networks. Features durable C3/C4/C5 corrosion protection, stable ONAN cooling, and copper windings. 3-year warranty, ideal for rural electrification and bulk procurement.

Key Attributes
Brand Name: HENTGPOWER
Model Number: S11
Place of Origin: CHINA
Certification: CE,ISO9001,IEC60076
MOQ: 1
Supply Ability: 4000units\year
Delivery Time: 25-40
Payment Terms: L/C,D/A,D/P,T/T
Standard Packaging: wooden
Product Custom Attributes
Highlight

Africa Distribution Transformer

,

125kVA Power Transformer

,

33kV Power Transformer

Capacity:
30–125kVA
Phase:
Three Phase
Cooling Method:
ONAN (Oil Natural Air Natural)
Oil Box Salt Spray Protection Rating:
C3/C4/C5
Core Material:
High-grade Silicon Steel For Reduced Core Loss
Warranty:
3Year
Product Description
Product Overview

This 30–125kVA factory-built mva power transformer is engineered for low-voltage distribution networks, rural electrification projects, village power upgrades, agricultural stations, and small commercial loads in Africa.

Designed with a compact oil-immersed structure, optimized copper winding, and stable insulation system, it provides reliable step-down performance from 11kV to 0.433kV with long-term operational efficiency.

Suitable for government distribution programs, local utilities, EPC rural projects, and distributors looking for durable and affordable solutions.


Factory supplied mva power transformer 30 to 125kVA 11kV 0.433kV cost effective choice for Africa distribution networks 0

Key Selling Points
  • Cost-Focused Design for Large-Scale Deployment

    Affordable structure optimized for mass procurement and government distribution tenders.

  • Stable Output for Rural & Semi-Urban Networks

    Consistent voltage performance supports weak-grid and long-distance distribution lines.

  • Durable Build for Africa’s Outdoor Conditions

    Anti-corrosion tank, sealed structure, and moisture-resistant insulation support reliable field operation.

  • Lightweight & Easy to Install

    Compact footprint enables quick pole-mount or ground-mount installation with minimal equipment.

  • Long-Term Service Reliability

    Optimized oil cooling and core design ensure stable output under variable load demand.

Technical Specifications
Parameter Specification
Rated Capacity 30–125 kVA
Primary Voltage 11 kV
Secondary Voltage 0.433 kV
Phase Three-phase
Cooling Method ONAN
Frequency 50Hz / 60Hz
Winding Material Copper
Core Material Grain-oriented silicon steel
Insulation Class A / F
Vector Group Dyn11
Tap Options Off-circuit tap changer
Mounting Type Pole-mounted / Ground-mounted
Application Distribution networks, rural electrification
Voltage Stability Solutions for African Distribution Projects
Common Challenges in Small-Capacity Distribution Networks
  • Fluctuating voltage in rural and semi-urban power lines
  • Long feeder distance causing unstable output
  • Increased load variation during peak hours
  • Sensitive loads requiring consistent supply
Our Engineering Approach
  • Optimized electromagnetic design for stable low-voltage output
  • Copper winding improves voltage stability and reduces temperature rise
  • High-grade insulation system resists humidity and outdoor exposure
  • ONAN cooling ensures consistent performance during long working hours

This helps maintain reliable power for rural grids, community facilities, agriculture pumps, and small commercial users.

FAQ
Q1: Is this transformer suitable for government rural electrification projects?

Yes. The 30–125kVA capacity range is widely used in rural distribution, village power upgrades, and public utility programs.

Q2: Can the transformer withstand outdoor humidity and long-term exposure?

Yes. The sealed oil tank and moisture-resistant insulation are designed for Africa’s outdoor climate.

Q3: Is it cost-effective for bulk procurement?

Yes. The design is optimized for high-volume orders with stable performance and competitive pricing.

Q4: Can the voltage be adjusted?

Yes. Off-circuit tap options support different grid conditions when required.

Who We Are & What We Offer

HENTG POWER is a dedicated transformer manufacturer with 15+ years of engineering experience, specializing in oil-immersed distribution transformers, step-up units, and customized power solutions for global markets.

We provide:
  • Factory-supplied transformers from 30kVA to 2500kVA
  • Custom voltage, tap changer, and configuration options
  • Complete technical documentation and testing reports
  • Long-term support for EPC contractors, utilities, and distributors

Our goal is to deliver reliable, efficient, and project-ready power solutions for Africa and global partners.

Get a cost-effective small-capacity transformer solution—contact us now for pricing and technical support.

Factory supplied mva power transformer 30 to 125kVA 11kV 0.433kV cost effective choice for Africa distribution networks 1

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