The split-core current transformer is ideal for current measurement, signal acquisition, and microcomputer-based protection in 10kV AC power systems. Designed with a compact and lightweight structure, it features an openable core that simplifies installation and makes it highly suitable for use in compact, fully insulated ring network switchgear. It is widely adopted in remote terminal units (RTUs), feeder terminal units (FTUs), and other similar devices, providing reliable data support for monitoring and control systems.
Installation is straightforward—simply clamp the two halves of the core around the incoming or outgoing cable, ensuring a secure and tight fit. This design not only enhances aesthetics but also ensures a seamless integration with the cable. The transformer is compatible with cables ranging from 35K2 to 400mm² and is commonly used in switchgear models such as SafeRing/Plus, Uniswitch, RM6/SM6, SVS, GA/GE, FB, SS, and others. Additionally, it finds application in combined substations and cable distribution boxes.
Constructed using high-quality imported silicon steel sheets with excellent magnetic permeability, the core allows for easy splitting and minimizes magnetic losses. The semi-annular core is made through a high-quality epoxy resin vacuum casting process, offering moisture resistance, stable performance, and long-term reliability. The entire unit is housed in a flame-retardant plastic casing, which is maintenance-free and durable.
The hoop, made from high-grade stainless steel, ensures a strong and reliable connection without inducing eddy currents. This design guarantees accurate and consistent current readings under various operating conditions.
Depending on the required current ratio, accuracy class, and rated load, the series of current transformers are available in multiple configurations. For detailed specifications, please refer to the corresponding parameter tables for each model. Customized options are also available to meet specific user requirements.
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