HENTG POWER 300kVA 3.3kV/0.4kV Oil-Immersed Transformer with Coastal Anti-Corrosion Design for South Africa
Price:
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MOQ:
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Delivery Time:
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Product Description
HENTG POWER 300kVA 3.3kV/0.4kV Three-Phase Oil-Immersed Transformer ONAN
High-efficiency outdoor distribution transformer engineered for South Africa's industrial, coastal, and utility power networks.
300kVA transformer South Africa 3.3kV transformer 400V distribution transformer oil immersed transformer ONAN transformer Eskom standard transformer
Key Features & Benefits
Designed for South Africa Power Networks
- Rated voltage 3.3kV/0.4kV suitable for industrial and mining applications
- Compatible with municipal and private distribution networks
- IEC 60076 compliant standards
High Efficiency & Low Operating Cost
- High-grade CRGO silicon steel core construction
- Optimized magnetic flux density design
- Low no-load loss and load loss options available
- Reduced lifecycle energy consumption
Heavy-Duty Outdoor Structure
- Corrugated tank design (hermetically sealed optional)
- ONAN cooling (Oil Natural Air Natural)
- Strong mechanical structure for transport and installation
Coastal Anti-Corrosion Design
- Sandblasted surface preparation
- Zinc-rich epoxy primer coating
- Polyurethane marine-grade top coating
- Suitable for high humidity & salt spray areas
Enhanced Anti-Leakage System
- Oil-resistant nitrile rubber gaskets
- Precision torque-controlled bolt tightening
- Vacuum oil filling & degassing process
- 100% factory pressure & leakage testing
Technical Specifications
Rated Power: 300kVA
High Voltage: 3.3kV
Low Voltage: 0.4kV (400V)
Frequency: 50Hz
Cooling Method: ONAN
Phase: Three-Phase
Vector Group: Dyn11 (customizable)
Tap Changer: ±2×2.5% or ±5%
Insulation Class: Class A
Temperature Rise: 60K / 65K
Installation: Outdoor ground mounted
Standard: IEC 60076 / SANS (upon request)
Applications in South Africa
- Mining sites and operations
- Industrial factories and plants
- Commercial developments
- Solar and renewable energy projects
- Municipal substations
Coastal Environment Solutions
Common Coastal Challenges (Durban, Cape Town, Port Elizabeth areas):
- Salt spray corrosion on transformer tank surfaces
- High humidity accelerating gasket aging
- Rust formation at welding seams and joints
- Oil leakage risk due to long-term corrosion exposure
- Strong UV exposure degradation
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Hunan Hentg Power Electric Technology Co., Ltd.
Location
Room905, D6 building, CCSP Industrial Park, Yuelu District, Changsha，Hunan province, China
Contact Person
Ms. Laurel