Voltage and frequency protection

SIPROTEC V virtualizes substation protection & control, scaling up to 60 IEDs on one server with proven algorithms, IEC 61850 compliance, and AI-ready architecture.

The compact universal relay for medium-voltage grids. Protect feeders, lines, and motors with one device for beginners and professionals alike.

The SIPROTEC 7SX82 universal protection device covers most tasks in medium voltage and distribution grids. Tailor its functionality and pay only for what you apply.

A universal protection device with a patented LPIT input, combining all protection, automation, and control functions for MV applications in a single device.

The SIPROTEC 7SX85 is a modular universal protection device. Get precisely tailored functionality for any application and pay only for what you apply.