Over-voltage protection relay AQ-L350

under-voltagethree-phasetransmission line

AQ-L350 is a line protection IED with line differential protection for transmission and sub-transmission line protection applications. It integrates a full range of line protection functions along with variety of additional functions for control, measurement, monitoring and communications. Highlights Two kinds of algorithms; with transformer in the protected zone and without Line differential up to 120km with fiber optic communication Redundant fiber communication option Monomode and multimode fiber support Other communication media available alternatively (e.g. pilot wire)