SEL-751

Feeder Protection Relay

751#10

Standard firmware
English language support
Power supply: 110–250 Vdc, 110–240 Vac, 50/60 Hz, two 125 Vdc/Vac digital inputs, three digital outputs
5-inch color touchscreen display with eight pushbuttons
Dual 10/100BASE-T Ethernet, EIA-232, and single multimode ST fiber-optic serial ports
Protocols: SEL ASCII, Compressed ASCII, Fast Meter, Fast Operate, Fast Message, Fast SER, Mirrored Bits communications, and Modbus RTU
Three-phase ac current inputs, neutral ac current input, three-phase ac voltage (300 Vac) inputs