10kV Voltage Transformer | LZZBJ9 Series
This 10kV voltage transformer from the LZZBJ9 series is designed for medium-voltage distribution applications, offering high measurement accuracy, strong insulation performance, and reliable protective functions. The enhanced resin-cast structure ensures long-term stability and durability.
Product Overview
The LZZBJ9 series is built with a strengthened housing and epoxy resin insulation, ensuring exceptional moisture resistance and thermal endurance.
Its protective design allows the transformer to work effectively with relay protection systems, improving the overall safety and reliability of power distribution networks.
The compact block-type structure is ideal for integration into modern medium-voltage equipment.
Key Features
- Rated voltage: 10kV
- Enhanced structural design
- Integrated protection function
- Epoxy resin cast insulation
- Block-type construction (“离心类型”)
- Stable measurement accuracy
- High reliability for long service life
Applications
- 10kV medium-voltage switchgear
- Industrial power distribution systems
- Protection and metering circuits
- Ring main units (RMU)
- Substation control and monitoring
- Electric utility distribution networks
Technical Advantages
- Resin-cast insulation provides strong dielectric performance
- Improved heat resistance for long-term stability
- Integrated protective module for relay coordination
- Excellent safety performance under fault conditions
- Robust terminal design with clear polarity marking
- Low partial discharge and maintenance-free operation
Construction & Design
The LZZBJ9 series adopts a solid block-type design to ensure mechanical stability and consistent insulation thickness.
The terminals are arranged in a protected layout to support safe wiring and reduce human error during installation.
The resin-cast body is designed to withstand harsh operating environments such as humidity, pollution, and temperature fluctuations.
Installation Notes
- Install on a stable metal mounting plate using the base holes provided
- Ensure correct wiring polarity (P1/P2 markings)
- Avoid installation close to strong vibration or heat sources
- Maintain clean insulation surfaces to ensure optimal dielectric performance
- Regular inspection recommended in high-humidity environments
Why Choose the LZZBJ9 Series?
- High accuracy suitable for both metering and protection
- Strong insulation with resin-cast epoxy body
- Reliable performance in medium-voltage applications
- Enhanced durability and extended service life
- Ideal for modern compact switchgear systems






