GE Digital Energy 8 Series Protection Relay Family


GE Multilin 8 Series Platform

Now supporting pseudo voltage to enable 3-phase power and energy measurements from a single phase

  • 850 – Comprehensive protection and management of incoming and outgoing feeders; Wide range of feeder applications for utility, oil & gas, mining & metals, process industry, commercial, and water wastewater; Fast protection pass enables use for load shedding schemes; High speed fault detection for arc flash mitigation.  850P now features Directional overcurrent and synchrocheck
  • 869 – Comprehensive motor protection for medium and large motors:  integrated condition monitoring for VFDs and induction motors with no voltage transformers,  two-speed, VFD-driven, cyclic loading and synchronous motors; Specific and advanced features for high inertia loads and reduced-voltage starting motors; Stator protection of medium to large synchronous motors where field functions are provided by excitation panels; Advanced predictive motor diagnostics and motor health visualization. Now supporting neutral admittance ground/earth fault protection
  • 845 – Comprehensive Primary and back-up transformer protection and management of small, medium and larger power and distribution transformers, autotransformers and reactors; Designed for Utility (Transmission & Distribution) or Industrial applications; Provides integrated transformer protection, monitoring diagnostics and transformer health visualisation
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The Multilin 8 Series platform delivers the highest level of quality, reliability and performance with:

  • Single setup and configuration across the platform
  • Advanced, flexible and embedded
  • Communications: IEC 61850, IEC 62439/ PRP, Modbus RTU & TCP/IP, DNP3.0, IEC 60870-5-104
  • Wi-Fi connectivity minimizes system configuration and provides safe relay programming and diagnostic retrieval
  • High-end cyber security such as AAA, Radius, RBAC, and Syslog helps enable NERC ® CIP requirements
  • Elimination of electrolytic capacitors; Field swappable power supply; Enhanced relay draw-out construction
  • Relay environmental diagnostic information helps reduce system downtime

Download Further 845 Product Information Here

Download Further 850 Product Information Here

Download Further 869 Product Information Here



GE Digital Energy 845 Specifications
GE Digital Energy 845 Wiring Diagram

GE Digital Energy 850 Specifications

GE Digital Energy 850 Wiring Diagram

GE Digital Energy 869 Specifications

GE Digital Energy 869 Wiring Diagram


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