6GK5874-3AA00-2AA2 M874-3 | Siemens | Industrial Router

Product Description

The Siemens SCALANCE M874-3 (6GK5874-3AA00-2AA2) is an industrial cellular router designed to enable secure wireless IP communication over public 3G mobile networks. It connects Ethernet-based automation devices to remote systems using HSPA+ technology, making it suitable for distributed installations where wired infrastructure is unavailable or impractical.

This device integrates routing, security, and switching functions in a single compact unit. With built-in VPN, firewall, and NAT capabilities, it supports protected data exchange between field equipment and control centers. The SCALANCE M874-3 is typically used for remote access, telemetry, and monitoring applications in industrial and infrastructure environments.

As part of the SCALANCE M family, it is engineered for reliable operation under industrial conditions and is commonly deployed as a spare or replacement unit in existing cellular automation networks.

Functional Scope and Applications

The SCALANCE M874-3 (6GK5874-3AA00-2AA2) enables wireless connectivity for PLCs, RTUs, and industrial PCs. Typical applications include remote machine access, decentralized automation stations, energy and water infrastructure, and mobile or temporary installations where broadband cabling is not available.

Technical Specifications