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
Non-directional overcurrent protection with 4xI inputs
Industrial-grade reliability for feeder circuits
Protection Functions: Undercurrent (37), Broken Conductor (46BC), Negative Phase Sequence Overcurrent (46NPS), Thermal Overload (49), Overcurrent (50,51), Earth Fault (50G,50N,50SEF,51G,51N,51SEF), Directional Control (67), High Impedance REF (64H), Under/Over Voltage (27/59), Negative Phase Sequence Voltage (47), Voltage Controlled Overcurrent (51V), Neutral Voltage Displacement (59N), Under/Over Frequency (81)
Supervision Functions: CT Supervision (60CTS), Trip & Close Circuit Supervision (74T/CCS), VT Supervision (60VTS), Inrush Detector (81HBL2), Circuit Breaker Fail (50BF)
Control Functions: Auto Reclose (79)
Monitoring Functions: Primary/Secondary Currents and Earth, Line and Phase Voltages, Apparent Power & Power Factor, Real & Reactive Power, Wh & VArh Forward/Reverse, Historical Demand Records, PPS/NPS/ZPS Voltages & Currents
Authorized Siemens product with competitive pricing, local stock, and technical support in Mumbai
