Siemens SIPROTEC 5 6MD86 Bay Controller Protection Relay – Modular, Smart Automation & Protection

Main Function: Bay Controller for medium- and high-voltage switchgear ، Inputs & Outputs: ، 8 current/voltage transformer inputs (8/8 CT/VT) ، 11–75 binary inputs ، 9–41 binary outputs ، Hardware Flexibility: ، Modular SIPROTEC 5 design; scalable I/O (up to 400+ I/O in dual-row housing) ، Housing width: 1/3 × 19" to 2/1 × 19" ، Control & Automation: ، Full DIGSI 5 configuration ، Graphical logic editor for automation ، Integrated operator panel and key switches (optional) ، Protection & Functions: ، Synchrocheck, interlocking, auto-reclosing, breaker failure ، Optional overcurrent protection with 3-pole tripping ، Arc protection and emergency overcurrent mode ، PMU (IEEE C37.118) synchrophasor measurement ، Communication: ، Ethernet RJ45, IEC 61850 (GOOSE & reporting) ، Up to 4 pluggable modules for IEC 60870-5-103/104, DNP3, Modbus TCP, PROFINET IO ، Redundancy protocols: PRP & HSR ، Additional Features: ، Cyber security (NERC CIP compliant) ، Fault recording: 80 s @ 8 kHz or 320 s @ 2 kHz ، Remote communication via fiber optic, 2-wire, or network links ، Integrated arc protection and breaker-and-a-half support