Multifunction protective relay reduces wiring

Siprotec 4 family of multifunction protection and automation products operates as protection relays, RTUs, programmable logic controllers, meters, equipment monitors, local annunciator/controllers, and fault record- ers. Designed for medium and high-voltage applications, the devices replace the maze of wire traditionally required for substation control and protection.

Siemens Power Transmission & Distribution; www.siemenstd.com

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