Merging unit

Why SIPROTEC 6MU85 merging unit?

The SIPROTEC 6MU85 is a modular, interoperable merging unit connecting primary and secondary technology. Digitalize all primary data close to the process for versatile data acquisition, autonomous automation and secure communication. Modern power systems demand precise, reliable data for protection and control. Digitalize primary data at the source with SIPROTEC 6MU85. Ensure accurate, timely information flow for secure grid operation across diverse applications.

Tailor the unit to your needs with modular hardware. Ensure interoperability and future-proof integration with IEC 61869-9, IEC 61869-13 and IEC 61850-9-2 compliance. A durable design with embedded cybersecurity provides high availability and data integrity in harsh environments.

Key benefits

Customize your system

Adapt the SIPROTEC 6MU85 merging unit to your local setup and individual applications. It functions as a central data node with automation at the process level, providing flexibility for your operational needs.

Streamline operations

Integrate primary and secondary equipment. Support various communication protocols to simplify facility management and allow data flow across your systems.

Enhance safety

Improve system reliability and operational safety with embedded cybersecurity. Protect your infrastructure from threats for high availability and continuous operation, even in tough environments.

FEATURED CAPABILITIES

Features & functions

Modular Merging Unit: Supports 1-2 SMV streams per module (up to 32 analog/4 CTs/4 VTs), max 4 modules. Features PRP, IEC 61869-9/13 compliance, GOOSE/MMS, PTP sync, redundant power, and -40 to 70°C temp range.

Breaker functions

This device provides comprehensive control: switchgear interlocking, 50BF, wear monitoring, switching statistics, PoW switching, 74TC, auto reclosing (79), and synchrocheck (25).

Backup protection functions

This unit provides comprehensive protection including non-directional (50/51, 50N/51N) and directional (67/67N) overcurrent protection, plus overvoltage and undervoltage protection (27/59).

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