Voltage and frequency protection

SIPROTEC V virtualizes substation protection & control, scaling up to 60 IEDs on one server. Built on SIPROTEC 5 algorithms with IEC 61850 compliance, it simplifies operations while enhancing cybersecurity and sustainability.

The SIPROTEC 7SX800 universal relay protects feeders, lines & motors in medium-voltage grids. This single, compact, cost-effective device offers powerful, proven protection for beginners and professionals.

A single device for protection, automation, and control in MV applications. Its patented universal LPIT input minimizes device variance and spare parts, ensuring full lifecycle flexibility.

The SIPROTEC 7SX85 modular universal relay handles all protection, control, and automation tasks for 3-pole tripping. Its extensive function library ensures you pay only for the functions you apply.

The SIPROTEC 7SX82 universal relay covers most protection, control, and automation tasks in distribution grids. Pay only for what you apply, reducing device variance and optimizing investment and operating costs.

A numerical, multi-function relay for voltage and frequency protection in distribution systems and industry. The compact SIPROTEC 7RW80 features flexible protection functions, allowing users to create up to 20 custom functions.