REG615 is a dedicated generator and interconnection protection relay for protection, control, measurement and supervision of power generators and interconnection points of distributed generation units in utility and industrial power distribution systems.

• Extensive generator protection with 100% stator earth-fault, generator differential and out-of-step protection
• Advanced interconnection protection fulfilling the latest grid codes for higher grid stability and reliability
• Optional arc protection and high-speed outputs
• Supports IEC 61850 Editions 1 & 2, including HSR & PRP, GOOSE messaging & IEC 61850-9-2 LE for less wiring & supervised communication
• IEEE 1588 V2 for high-accuracy time synchronization and maximum benefit of substation-level Ethernet communication
• Supports Modbus, DNP3 and IEC 60870-5-103 communication protocols