The REL series introduces the new REX521GHHPSH51G feeder protection relay
ABB REL series has added a new member in the field of power system protection, the new REX521GHHPSH51G feeder protection relay with its advanced protection functions and monitoring capabilities, providing a strong guarantee for the safe and stable operation of medium voltage power systems. The REX521GHHPSH51G feeder protection relay is an important member of ABB'sDetails
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