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Home » Products » SIEMENS Siprotec Protection Relay » 7SJ62 Multifunction Over Current Protection Relay

7SJ62 Multifunction Over Current Protection Relay

7SJ62 Multifunction Over Current Protection Relay
7SJ62 Multifunction Over Current Protection Relay
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Product Code : 7SJ62
Brand Name : SIEMENS
Price And Quantity
  • Minimum Order Quantity
  • 1 Piece
  • Unit of Measure
  • Unit/Units
  • Price
  • Depend INR
Product Description

Functions:

Protection functions

  • Overcurrent protection (definite-time/inverse-time/user-def.)

  • Directional overcurrent protection (definite-time/inverse-time/user-def.)

  • Sensitive dir. earth-fault detection

  • Displacement voltage

  • Intermittent earth-fault protection

  • Directional intermittent ground fault protection

  • High-impedance restricted earth 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

  • Auto-reclosure

  • Fault locator

  • Lockout

Control functions/programmable logic

  • Commands for control of a circuit-breaker and of isolators

  • Position of switching elements is shown on the graphic display

  • Control via keyboard, binary inputs, DIGSI 4 or SCADA system

  • User-defined logic with CFC (e.g. interlocking)

Monitoring functions

  • Operational measured values V,l,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 
IEC 60870-5-103/ IEC 61850 
PROFIBUS-FMS/-DP 
DNP 3.0/MODBUS RTU

Service interface for DIGSI 4 (modem)

Front interface for DIGSI 4

Time synchronization via IRIG B/DCF77

Hardware

  • 4 current transformers
  • 3/4 voltage transformers
  • 8/11 binary inputs
  • 8/6 output relays



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