The LZZBJ9-10 Current Transformer is a high-quality, epoxy resin cast, fully enclosed bushing-type transformer designed for 10kV and below power systems with a rated frequency of 50Hz or 60Hz. It is specifically engineered for energy measurement, current monitoring, and electrical protection applications.
Key Features:
Robust Insulated Structure: Fully encapsulated in epoxy resin for superior electrical insulation, mechanical strength, and environmental protection against moisture, dust, and corrosion.
High-Precision Core and Windings: Made from premium cold-rolled silicon steel sheets with carefully wound primary and secondary coils, ensuring accurate current measurement and minimal loss.
Wide Application Range: Rated primary currents from 5A up to 2000A and secondary currents of 1A or 5A. Suitable for various measurement and protection accuracy classes (0.2, 0.5, 5P, 10P).
Reliable and Safe Operation: Secondary winding grounding ensures protection against high voltage backflow. Strict adherence to safety during installation, operation, and maintenance prevents operational hazards.
Durable and Weather-Resistant: External housing made from high-strength plastic or metal with excellent mechanical durability, suitable for outdoor or indoor installations.
Technical Highlights:
Rated Voltage: 10kV
Rated Frequency: 50Hz or 60Hz
Insulation Levels: 42kV power frequency withstand, 75kV lightning impulse withstand
Accuracy Class: Measurement (0.2, 0.2S, 0.5, 0.5S), Protection (5P, 10P)
Wide temperature and humidity tolerance: -25°C to +40°C, relative humidity up to 95% daily
Easy Installation & Maintenance:
Designed with user-friendly mounting holes and terminals for quick setup. Routine checks include insulation resistance, temperature monitoring, and ratio verification to ensure long-term reliability.
Why Choose LZZBJ9-10:
Perfect for industrial substations, power plants, and commercial energy monitoring systems, the LZZBJ9-10 combines accuracy, safety, and durability to support high-performance electrical measurement and protection needs.
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