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Home » Products » Siemens Reyrolle Numerical Relay » 7SR105 Motor Protection Relay

7SR105 Motor Protection Relay

7SR105 Motor Protection Relay
7SR105 Motor Protection Relay
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Product Code : 7SR105
Price And Quantity
  • Minimum Order Quantity
  • 1 Piece
  • Unit of Measure
  • Unit/Units
  • Price Range
  • Price
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Product Description

The 7SR105 Rho motor protection relay is developed byusing the latest generation of hardware technology.7SR105 is a member of Siemens Reyrolle® protection devices Rho product family. 
The 7SR105 Rho motor protection relay is housed in a 4Uhigh, size 4 non draw-out case and these relays provideprotection, monitoring, instrumentation, and metering withintegrated input and output logic, data logging and faultreports. Communication access to the relay functionality isvia a front USB port for local PC connection or rear electricalRS485 port for remote connection.

Protection Function 

14 Stall Protection 
46 Phase Unbalance Protection49 Thermal Overload48/66 Start Protection37 Undercurrent50 Instantaneous Overcurrent Protection 
50N/G Instantaneous Earth Fault 
51 Time Delayed Overcurrent Protection 
51N/G Time Delayed Derived/Measured Earth Fault Protection
74 T/CCS Trip and Close Circuit Supervision81B Anti Backspin46PhRev Phase Reversal
50BCL Breaking Capacity Limit
50BF Circuit Breaker Fail


Office No.-9, Plot 53/54, Sector-34, Space Heights, Near Tawa Hotel, Kamothe, Navi Mumbai - 410209, Maharashtra, India
Phone :+917042305105
Mr. Piyush Lalchand Rathi (Partner)
Mobile :+917042305105
Mr. Rajesh Sawale
Mobile :+917042305105