Zhejiang Jiangshan Hengli Electrical Co., Ltd. is one of the leading manufacturers and suppliers of 11kv 0.433kv small distribution transformer in China. If you're going to wholesale durable 11kv 0.433kv small distribution transformer made in China, welcome to get pricelist from our factory. All customized products are with high quality and low price.
Our 50KVA 11KV 0.433kv small distribution transformer is designed to deliver stable and energy-efficient power for residential, commercial, and light industrial applications. With a compact structure and optimized design, it is ideal for installations where space is limited while maintaining high performance and reliability. The rated capacity of this small distribution transformer is 50 KVA. It is a step-down transformer 11kv to 0.433kv, the primary voltage is 11kv, the secondary voltage is 0.433kv. As an experienced transformer manufacturer and exporter, we supply high-quality products directly from our factory, ensuring competitive pricing and reliable delivery.
Easy to install and maintain, our 50kVA 11kv 0.433kv small distribution transformer is a cost-effective and dependable solution for modern power distribution systems.This transformer plays a critical role in stepping down medium voltage (such as 11kV) to usable low voltage (0.4kV), making it ideal for industrial, commercial, and infrastructure applications.
Technical Specifications
| Rated Power | 50kVA |
| Primary Voltage | 11kV |
| Secondary Voltage | 0.433kV |
| Phase | Three-phase |
| Frequency | 50Hz |
| Cooling Method | ONAN |
| Impedance | 4%–6% |
| Insulation Class | A / F |
| Winding Material | Copper |
| Model | S11-50KVA-11/0.433KV |
| Vector Group | Dyn11 |
Application Areas
Small distribution transformers are widely used in low to medium voltage power networks where stable and efficient electricity supply is required. Typical application areas include:
- Residential areas – Supplying safe and reliable power for homes, apartments, and rural electrification projects
- Commercial buildings – Used in offices, shopping centers, hotels, and retail facilities
- Light industrial facilities – Supporting small factories, workshops, and production lines
- Public infrastructure – Powering street lighting, schools, hospitals, and community facilities
- Renewable energy systems – Integrating solar and wind power into local distribution networks
- Construction sites – Providing temporary or mobile power supply
- Agricultural applications – Used for irrigation systems, farms, and rural equipment
Key features
Our small distribution transformer is valued for its compact size, flexibility, and cost-effective performance across diverse environments.
- Compact size – Space-saving design, ideal for urban areas, substations, and limited installation environments
- High efficiency – Low core and load losses, helping reduce energy consumption and operating costs
- Flexible capacity range – Typically from tens to hundreds of kVA, suitable for residential, commercial, and light industrial use
- Reliable insulation system – Oil-immersed or dry-type options ensuring stable performance and long service life
- Easy installation and maintenance – Simple structure with user-friendly operation and low maintenance requirements
- Strong adaptability – Can operate in various environments, with optional anti-corrosion, high-temperature, or altitude-resistant designs
- Safety protection – Equipped with standard protection components such as bushings, temperature indicators, and optional protection devices
Cores, winding of 50KVA 11KV 0.433kv small distribution transformer
Customization Services
We provide flexible transformer solutions, including:
- Voltage level customization (6kV–35kV)
- Special environmental designs (high altitude, coastal areas)
- Smart monitoring integration
- Anti-corrosion and special coating
Quality Control & Testing
Every unit is tested under strict procedures:
- Ratio and polarity testing
- Load and no-load loss measurement
- Partial discharge testing
- Temperature rise testing
Why Choose Our Factory
● Direct manufacturer with no middleman markup
● Export experience to 30+ countries
● Fast production and delivery capability
● Full customization (OEM/ODM supported)
● Strict quality control from raw materials to finished product
FAQ
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