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PRODUCT INTRODUCTION: The zero-sequence current transformer is suitable for small grounding current systems with rated frequency of 50/60Hz and rated voltage of 35kV and below. It is used in conjunction with relay protection and signal devices for residual (zero-sequence) current detection and grounding protection. At the same time, it activates the device components to achieve protection and monitoring.
The zero-sequence current transformer is a cable-type resin-cast insulated indoor product. This series features an open-closed type and epoxy resin-cast structure. They can be divided into two parts and then combined into one during installation, which is highly convenient for field setup.