Modular universal protection relay SIPROTEC 7SX85

Why SIPROTEC 7SX85?

SIPROTEC 7SX85 is a modular universal protection and automation relay that provides comprehensive protection, control and automation for medium voltage, distribution and transmission grids, supporting 1-pole and 3-pole tripping.

Traditional protection devices often come with high costs due to fixed functionality and limited adaptability. SIPROTEC 7SX85 is powered by a flexible, modular design. Choose the hardware and add functions as needed, paying only for the functionality you apply.

Use the extensive library for tailored functionality, reducing spare parts. Extend functionality on-demand in minutes using the SIPROTEC Function Point Manager for flexibility as grid conditions change. Use IoT connectivity for easy data access and fast response times.

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Reduce costs

Order and stock your SIPROTEC 7SX85 with only what you need to fit your budget. Pay only for the functions you apply to keep operational costs low.

Maintain flexibility

Order additional functionality on-demand and activate it within minutes. Maintain full flexibility until commissioning and easily extend functions as grid conditions or applications evolve after installation.

Manage devices easily

Significantly limit device variance and the number of spare parts needed. Replace type-specific SIPROTEC devices with universal protection to simplify your inventory and management processes.

Featured capabilities

Modular design

Design your device with modular hardware and a high number of IOs. Select specific functions from our extensive library so that your device is tailored to your application needs.

Comprehensive protection functions

Protect and control feeders, lines, transformers, motors, generators and capacitor banks. Cover all protection, automation, control and monitoring tasks with 3-pole tripping for thorough grid management.

IoT connectivity and virtual testing

Access your device data with IoT connectivity for fast response times. Perform virtual testing with SIPROTEC Digital Twin to validate configurations and test operations before deployment.

Explore resources (in English)

Siemens at Enlit Europe, Nov. 10-12, Hall A.a50, Vienna

Webinar in Spanish:SIPROTEC 7SX85 Centralized Solutions