This series of current transformers is used in indoor small ground current systems with rated frequency 50Hz or 60Hz and rated voltage up to and including 35kV for three-phase cable grounding protection, it also can be used with relay.
The transformer can be divided into two parts during installation, and then they can be combined again and buckled tightly with clamp. It can be installed without power off.
1. Rated secondary current: 5A or 1A;
2. Power factor: cos中＝0.8 (lag) ;
3. Rated frequency: 50Hz or 60Hz;
4.Rated primary current, rated output and accurate level see table 1.,
5.Insulating property: primary winding to secondary winding and ground, and secondary winding to ground can bear the power frequency withstand voltage 3kV for 1min.