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Home » Products » SIEMENS Siprotec Protection Relay » 7SJ66 Feeder And Overcurrent Protection Relays

7SJ66 Feeder And Overcurrent Protection Relays

7SJ66 Feeder And Overcurrent Protection Relays
7SJ66 Feeder And Overcurrent Protection Relays
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Product Code : 7SJ66
Brand Name : SIEMENS
Price And Quantity
  • Minimum Order Quantity
  • 1 Piece
  • Unit of Measure
  • Unit/Units
  • Price
  • Depend INR
Product Description

Protection functions

  • Overcurrent protection
  • Directional overcurrent protection
  • Sensitive directional ground-fault detection
  • Displacement voltage
  • Intermittent ground-fault protection
  • Directional intermittent ground fault protect
  • High-impedance restricted ground fault
  • Inrush restraint
  • Motor protection
  • Overload protection
  • Temperature monitoring
  • Under-/overvoltage protection
  • Under-/overfrequency protection
  • Rate-of-frequency-change protection
  • Power protection (e.g. reverse, factor)
  • Undervoltage controlled reactive power protection
  • Breaker failure protection
  • Negative-sequence protection
  • Phase-sequence monitoring
  • Synchro-check
  • Fault locator
  • Lockout
  • Auto-reclosure

Control functions/programmable logic

  • Commands for control of CB and of isolators
  • Graphical visualization of switch positions
  • Control via keyboard, binary inputs, DIGSI 4 or SCADA system
  • User-defined logic with CFC (e.g. interlocking)

Monitoring functions

  • Operational measured values V, I, f
  • Energy metering values Wp,Wq
  • Circuit-breaker wear monitoring
  • Slave pointer
  • Trip circuit supervision
  • Fuse failure monitor
  • 8 oscillographic fault records
  • Motor statistics

Communication interfaces

  • System interface protocols: IEC 60870-5-103, IEC 61850, Modbus RTU, DNP3
  • Electrical and optical interface
  • RSTP (Redundancy Protocol for Ethernet)
  • Service interface for DIGSI 4 or RTD-Box
  • Front USB interface for DIGSI 4
  • Time synchronization via IRIG B, DCF77

Hardware

  • Spring-type terminals
  • 4 current transformers
  • 4 voltage transformers
  • 16/22/36 binary inputs
  • 7/10/23 output relays
  • Graphic or 8 line display

RELISERV SOLUTION
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RELISERV SOLUTION
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