Siemens SIPROTEC 5 7SK85 Motor & Generator Protection Relay

Main Function: Motor protection for all sizes ، Tripping: 3-pole ، Inputs & Outputs: ، 4 CTs, 4 VTs ، 11–27 binary inputs, 9–17 binary outputs ، Protection Functions: ، Motor protection: start-up supervision, thermal overload, restart inhibit, unbalanced-load, load-jam ، Differential motor protection for high-power motors ، Sensitive ground-fault protection (directional/non-directional) ، Overcurrent (directional/non-directional), over/undervoltage, arc, power, QU protection ، Detection up to 50th harmonic ، Control & Automation: Graphical logic editor (CFC), synchrocheck, switchgear interlocking ، Communication: ، Ethernet RJ45 (DIGSI 5, IEC 61850, GOOSE) ، Up to 4 pluggable modules (IEC 61850, IEC 60870-5-103/104, DNP3, Modbus TCP, PROFINET IO) ، Redundancy: PRP / HSR ، Additional Features: ، PMU (IEEE C37.118), fault recording up to 80s @ 8kHz / 320s @ 2kHz ، Cybersecurity compliant with NERC CIP & BDWE ، Housing width: 1/3 × 19” to 2/1 × 19”