ERLPhase B-PRO 4000 Multi-function Bus Protection Relay (3-Phase)

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Description

Application in B-PRO 4000 Bus Protection Relay

  • Simple bus applications with up to 6 feeders and 2 differential zones with breaker failure, or 4 feeders and 1 transformer, including separate full transformer differential protection (87T)
  • 1 or 2 separate differential zones – bus and transformer or Bus 1 and Bus 2 for multiple buses

Common Features and Benefits

  • Functional Specific
    • Delta Phase and Rate of Change of Differential (ROCOD) algorithms provide enhanced security during external faults with heavy CT saturation
    • Protection functions include IEEE devices 87B, 27, 59, 60, 81, 50LS, 50BF, 50/51/67, 50N/51N/67, 46/50/51/67
    • Backup overcurrent and breaker failure protection for each input current
    • High quality fault recording capabilities and event log
  • Flexible Communications
    • State-of-the-art communications to accommodate the industry’s latest network-based communications
    • Ethernet ports with 2 unique MAC addresses that easily accommodate network access security needs
  • Substation Automation
    • IEC 61850 Station Bus on dedicated optical/copper Ethernet ports included at no extra cost
    • Enhanced DNP3.0 Level 2 SCADA communication protocol including user-selectable point lists, class support and multiple master station support
  • Easy to Use
    • User-friendly, Windows®-based relay setting and record analysis software
    • Flexible programmable logic for building customized schemes with ProLogic™ statements – 24 control logic statements (total of 192 statements)