Siemens Reyrolle 7SR224 Directional Overcurrent Relay – Argus – 4xI, 4/6xV
The Siemens Reyrolle 7SR224 Argus is a high-performance numerical relay designed for directional overcurrent and earth fault protection, ideal for feeder and distribution systems. Built to IEC standards, it provides advanced protection, reliability, and seamless integration into modern power networks. Available in Mumbai through authorized suppliers, it offers genuine Siemens quality, competitive pricing, fast delivery, and dedicated technical support for industrial, commercial, and utility applications
Technical Specifications
Inputs: 4xI, 4/6xV
Protection Functions: Undercurrent (37), Broken Conductor (46BC), Negative Phase Sequence Overcurrent (46NPS), Thermal Overload (49), Overcurrent (50,51), Earth Fault (50G,50SEF,51G,51SEF), High Impedance REF (64H), Under/Over Voltage (27/59), Negative Phase Sequence Voltage (47), Voltage Controlled Overcurrent (51V), Neutral Voltage Displacement (59N), Directional Control of Overcurrent & Earth Fault (67)
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 Current Phases & Earth, Line & Phase Voltages, Apparent Power & Power Factor, Real & Reactive Power, Wh & VArh Forward/Reverse, Historical Demand Records, PPS/NPS/ZPS Voltages & Currents
Protection Functions: Undercurrent (37), Broken Conductor (46BC), Negative Phase Sequence Overcurrent (46NPS), Thermal Overload (49), Overcurrent (50,51), Earth Fault (50G,50SEF,51G,51SEF), High Impedance REF (64H), Under/Over Voltage (27/59), Negative Phase Sequence Voltage (47), Voltage Controlled Overcurrent (51V), Neutral Voltage Displacement (59N), Directional Control of Overcurrent & Earth Fault (67)
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 Current Phases & Earth, Line & Phase Voltages, Apparent Power & Power Factor, Real & Reactive Power, Wh & VArh Forward/Reverse, Historical Demand Records, PPS/NPS/ZPS Voltages & Currents
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