Siemens Reyrolle 7SR224 Directional Overcurrent Relay

Siemens Reyrolle 7SR224 Directional Overcurrent Relay – Argus- 4xI, 4/6xV

The Siemens Reyrolle 7SR224 Directional Overcurrent Relay is a high-performance numerical protection device designed for overcurrent and earth fault protection, making it ideal for feeder and distribution system applications. Built to IEC standards, it ensures advanced protection, reliability, and seamless integration in modern power systems.

In Mumbai, Siemens Reyrolle 7SR224 Argus Relays are available through trusted suppliers and authorized dealers, offering genuine products, competitive pricing, fast delivery, and dedicated technical support. Whether you need it for industrial, commercial, or utility applications, this relay provides robust performance, user-friendly configuration, and dependable operation.

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

Monitoring functions

• Primary/secondary current phases and earth direction
• Primary/secondary line and phase voltages
• Apparent power and power factor
• Real and reactive power
• W Hr & VAr Hr forward and reverse
• Historical demand record
• Positive phase sequence (PPS) voltage & current
• Negative phase sequence (NPS) voltage & current
• Zero phase sequence (ZPS) voltage

Choose the Siemens Reyrolle 7SR224 Directional Overcurrent Relay for a combination of proven Siemens technology, local availability in Mumbai, and expert after-sales support, ensuring maximum system safety and efficiency at the best value.