Benefits

• Wide application coverage with one freely configurable device for flexible and

cost-effective tailoring to application-specific requirements

• Ready-made application packages for convenient and smooth ordering

• Easy and flexible adaptation to changing protection and communication requirements with fully

modular hardware and software

• Unique earth-fault protection portfolio for optimal selectivity, sensitivity and reliability – irrespective of

the type of network and fault

• The world’s first truly IEC 61850-based protection relay – designed to support the increasing

digitalization of substations

• Over 1 million 615 and 620 series relays installed worldwide – demonstrating reliability and commitment

to continuous evolvement

• Intuitive human-machine interface (HMI) with a large graphical display for showing customizable single-

line diagrams (SLD)

• Optional full conformal coating for outstanding performance also in the most extreme environments

• Convenient, tailor-made retrofit connector kit for fast and easy replacement of SPACOM with REX615

relays