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SEL-421
SEL-421 SV Relay
421#6FCB
- IEC 61850-9-2 Sampled Values relay (subscriber) for a digital secondary system solution
- Distance protection plus subcycle elements and series compensation logic
- Power supply: 125–250 Vdc or 110–240 Vac
- 4U chassis and horizontal rack mount
- 8 optoisolated independent level-sensitive inputs (125 Vdc), 13 standard Form A outputs, and 2 standard Form C outputs
- Ethernet card with four 10/100BASE-FX connectors
- Protocols: FTP, Telnet, Synchrophasors, DNP3, and IEC 61850 with Sampled Values subscription