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Home » Products » SIEMENS Siprotec Protection Relay » SIPROTEC 7SJ64


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Product Code : SIP8
Brand Name : SIEMENS
Price And Quantity
  • Minimum Order Quantity
  • 1 Piece Piece
Product Description

The SIPROTEC 4 7SJ61 relays can be used for line protection of high and medium voltage networks with earthed (grounded), low-resistance earthed, isolated or compensated neutral point. When protecting motors, the SIPROTEC 4 7SJ61 is suitable for asynchronous machines of all sizes. The relay performs all functions of backup protection supplementary to transformer differential protection ​

The relay provides control of the circuit breaker, further switching devices and automation functions. The integrated programmable logic (CFC) allows the user to implement their own functions, e. g. for the automation of switchgear (interlocking). The user is also allowed to generate user-defined messages. The flexible communication interfaces are open for modern communication architectures with control systems.

Protection functions

  • Over current protection (definite-time/inverse-time/user-def.)
  • Sensitive earth-fault detection
  • Intermittent earth-fault protection
  • High-impedance restricted earth fault
  • Inrush - Current detection
  • Motor protection
    • Undercurrent monitoring
    • Starting time supervision
    • Restart inhibit
    • Locked rotor
    • Load jam protection
  • Overload protection
  • Temperature monitoring
  • Breaker failure protection
  • Negative-sequence protection
  • Auto-reclosure
  • Lockout


Office No.-9, Plot 53/54, Sector-34, Space Heights, Near Tawa Hotel, Kamothe, Navi Mumbai - 410209, Maharashtra, India
Phone :+918068092899
Mr Piyush Lalchand Rathi (Partner)
Mobile :918068092899
Mr. Dnyanesh Gawande (Partner)
Mobile :918068092899