Siemens Reyrolle 7SR110 Argus Relay
The Siemens Reyrolle 7SR110 Argus is a high-performance non-directional protection relay designed for feeders, industrial systems, and utility networks. It offers advanced protection, fault detection, and system stability for demanding environments. Supported by Siemens’ technical expertise and reliable service, it ensures optimal operation and long-term durability
Technical Specifications
Type: 7SR110 Argus Non-Directional Relay
Application: Feeder, industrial, and utility protection
Operation: Non-directional
Power Supply: AC/DC universal supply
Case Type: Non-draw-out, compact design
Communication: USB (front), RS485 (rear) – MODBUS RTU / IEC 60870-5-103
Mounting: Panel-mounted
Display: LCD with LED indicators
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 Overcurrent & Earth Fault (67)
High Impedance Restricted Earth Fault (64H)
Under/Over Voltage (27 / 59)
Negative Phase Sequence Voltage (47)
Voltage-Controlled Overcurrent (51V)
Neutral Voltage Displacement (59N)
Supervision & Monitoring:
CT Supervision (60CTS)
VT Supervision (60VTS)
Trip & Close Circuit Supervision (74T/CCS)
Inrush Current Detection (81HBL2)
Circuit Breaker Failure Protection (50BF)
Key Benefits:
Precise fault detection & system reliability
Compact and durable design
Siemens-authorized service support
Fast delivery & local stock availability
Application: Feeder, industrial, and utility protection
Operation: Non-directional
Power Supply: AC/DC universal supply
Case Type: Non-draw-out, compact design
Communication: USB (front), RS485 (rear) – MODBUS RTU / IEC 60870-5-103
Mounting: Panel-mounted
Display: LCD with LED indicators
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 Overcurrent & Earth Fault (67)
High Impedance Restricted Earth Fault (64H)
Under/Over Voltage (27 / 59)
Negative Phase Sequence Voltage (47)
Voltage-Controlled Overcurrent (51V)
Neutral Voltage Displacement (59N)
Supervision & Monitoring:
CT Supervision (60CTS)
VT Supervision (60VTS)
Trip & Close Circuit Supervision (74T/CCS)
Inrush Current Detection (81HBL2)
Circuit Breaker Failure Protection (50BF)
Key Benefits:
Precise fault detection & system reliability
Compact and durable design
Siemens-authorized service support
Fast delivery & local stock availability
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