GWPR400 Series Flagship Digital Protection Relays (≤ 230 kV, IEC 61850 compliant)
GWPR300 Series High-End Digital Protection Relays (≤ 132 kV, IEC 60870-5-103/Ethernet, RS-485; optional IEC 61850)
GWPR200 Series Standard Digital Protection Relays (≤ 33 kV, IEC 60870-5-103/Ethernet, RS-485)
GWPR100 Series Economy Digital Protection Relays (≤ 11 kV, RS-485)











