The fault indicator is used for P-P and P-G fault detection and line monitoring which installed on power line in overhead system and Ring Main Unit (RMU), switch station and indoor switchgear in underground system. After line fault occurred, The line operator can confirm the fault area and find out the fault point quickly by assistance of fault indicator alarm. Integrated by communication, it can used in fault locating system to transfer the fault signal to terminal equipment and background system.

CREAT started fault indicator business since 1989, totally 5 million fault indicators used in domestic market and international market. We owned fault indicator technology patent of invention, and a lot of application patent.