Siemens Reyrolle 7SR46 Argus 4XL Relay – Feeder Protection
The Siemens Reyrolle 7SR46 Argus 4XL Relay is a high-performance, non-directional protection device designed for industrial feeders, utilities, and electrical networks. With self-powered or dual-powered operation and CT-specific adaptability, it ensures reliable system protection, minimized downtime, and enhanced power stability.Trusted across Mumbai industries, it offers fast delivery, genuine Siemens quality, and local technical support, making it ideal for new installations, retrofits, and bulk procurement
Technical Specifications
Instantaneous Overcurrent – Phase (50)
Line Check / Switch-On-to-Fault (SOTF) (50)
Instantaneous Earth Fault – Derived (50N)
Time-Delayed Overcurrent – Phase (51)
Time-Delayed Earth Fault – Derived (51N)
Two Independent Settings Groups
Supervision Functions:
Inrush Current Detection (81HBL2) for transformer and network stability
Ancillary Functions:
High-Speed Trip via Binary Input (49T)
High-Speed Trip via External Trip Initiation (49T)
Lockout Function for Enhanced System Security (86)
Line Check / Switch-On-to-Fault (SOTF) (50)
Instantaneous Earth Fault – Derived (50N)
Time-Delayed Overcurrent – Phase (51)
Time-Delayed Earth Fault – Derived (51N)
Two Independent Settings Groups
Supervision Functions:
Inrush Current Detection (81HBL2) for transformer and network stability
Ancillary Functions:
High-Speed Trip via Binary Input (49T)
High-Speed Trip via External Trip Initiation (49T)
Lockout Function for Enhanced System Security (86)
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