html{display:none} SEL-451 Protection, Automation, and Bay Control System - Specifications | Schweitzer Engineering Laboratories

    Specifications

    General
    AC Current Inputs (6 total)5 A nominal
    1 A nominal
    AC Voltage Inputs (6 total)0-300 VL-N operational
    LEA Voltage Inputs0–8 VL-N operational
    Communications ProtocolsFTP, HTTP, Telnet, SEL ASCII, SEL Fast Message, synchrophasors, DNP3, PRP, PTPv2, and IEC 61850 Edition 2.1 (optional)
    Communications PortsSerial Ports
    One front-panel and three rear-panel
    EIA-232 serial ports
    300–57,600 bps
    Two-Port Ethernet Card
    Two 100BASE-FX fiber-optic network ports
    Four-Port Ethernet Card
    Four 10/100BASE-T twisted-pair network ports, or
    Four 100BASE-FX fiber-optic network ports, or
    Two 10/100BASE-T twisted-pair network ports and two 100BASE-FX fiber-optic network ports
    Five-Port Ethernet Card
    Two 100/1000BASE SFP ports
    Three 100BASE SFP ports
    TiDL PortsFiber-optic ports: 8
    Range: ~2 km
    Data rate: 100 Mbps
    Protocol: SEL T-Protocol
    SV PortsSubscriber: As many as 7 SV data streams
    Publisher: As many as 7 SV data streams
    Data rate: 4.8 kHz for 60 Hz system, 4 kHz for 50 Hz system
    Protocol: IEC 61850-9-2
    Precise-Time InputDemodulated IRIG-B time input and PTPv2 (default, IEEE C37.238:2011, and IEC 61850-9-3:2016 profiles)
    ProcessingAC voltage and current inputs: 8,000 samples per second
    Protection and control processing: 8 times per power system cycle
    Power Supply24–48 Vdc
    48–125 Vdc or 110–120 Vac
    125–250 Vdc or 110–240 Vac
    Operating Temperature–40° to +85°C (–40° to +185°F)