Back to top
   Call Me Free Offline Send SMS Send Inquiry

7SJ66 Feeder And Overcurrent Protection Relays

7SJ66 Feeder And Overcurrent Protection Relays
7SJ66 Feeder And Overcurrent Protection Relays
Send Inquiry
Product Code : 7SJ66
Brand Name : SIEMENS
Price And Quantity
  • Minimum Order Quantity
  • 1 Piece Unit
  • Price Or Price Range
  • 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
X


RELISERV SOLUTION
Office No.-9, Plot 53/54, Sector-34, Space Heights, Near Tawa Hotel, Kamothe, Navi Mumbai - 410209, Maharashtra, India
Mr Piyush Lalchand Rathi (Partner)
Mobile :+919819614841, +919769207841
Mr. Dnyanesh Gawande (Partner)
Mobile :+919833686249