6GK5208-0BA10-2AA3 8-Port Managed Switch

Introduction to the 6GK5208-0BA10-2AA3

When network reliability is non-negotiable, the 6GK5208-0BA10-2AA3 from Siemens provides a robust foundation for industrial Ethernet. This managed switch is part of the SCALANCE X208 family, engineered for demanding environments where uptime is critical.

With eight 10/100 Mbit/s RJ45 ports, this device offers the connectivity needed for modern automation systems. Its compact design and wide operating temperature range make it suitable for installation in control cabinets and on machinery.

Key Features and Technical Specifications

The 6GK5208-0BA10-2AA3 is designed with performance and resilience in mind. Below are the core specifications that define its capabilities:

• Managed Industrial Ethernet switch with 8x 10/100 Mbit/s RJ45 ports (with securing collar).
• Redundant power supply input (DC 24 V, range 18–32 V) for high availability.
• Power loss rated at 3.84 W, with maximum current consumption of 0.185 A.
• Integrated error-signaling contact (2-pole terminal block, 24 V DC, max 0.1 A).
• PROFINET IO device, conforming to Conformity Class B.
• Network management via CLI, web-based interface, SNMP v1/v2/v3, and support for SSH, Telnet, HTTP, HTTPS, TFTP, FTP, DCP, LLDP.
• Media Redundancy Protocol (MRP) with integrated redundancy manager, plus support for HRP and PRP.
• Diagnostics: port diagnostics, statistics (packet size/type), error statistics, and PROFINET IO diagnosis.
• Operating temperature: -40 to +60 °C; storage/transport: -40 to +70 °C.
• Relative humidity up to 95% at 25 °C (non-condensing).
• Protection class IP30; dimensions 60 x 125 x 124 mm; net weight 0.78 kg.
• Mounting: 35 mm DIN rail, wall, or S7-300 rail.
• Certifications: CE, KC, RCM, ATEX, UKEX, IECEx, UL hazloc, CCC, FM, and marine approvals (ABS, BV, DNV GL, KRS, LRS, NK, PRS, RINA).
• MTBF: 83.71 years; warranty period: 5 years.

One distinctive feature is the integrated redundancy manager for MRP, which enables network recovery in under 0.3 seconds—critical for maintaining production continuity in ring topologies.

Applications and Use Cases

The 6GK5208-0BA10-2AA3Typical applications include:

• Connecting PLCs, HMIs, and drives in manufacturing cells.
• Building redundant ring networks for high-availability production lines.
• Deploying in harsh environments with wide temperature fluctuations.
• Integrating into PROFINET-based automation systems.

Its robust design and diagnostic capabilities make it a preferred choice for engineers who prioritize network uptime and ease of troubleshooting.

Installation and Setup

Mounting the 6GK5208-0BA10-2AA3 is straightforward. The device supports 35 mm DIN rail, wall, and S7-300 rail mounting, offering flexibility in cabinet layout. The 4-pole terminal block for power supply accepts 24 V DC (18–32 V range), and the integrated fuse (0.6 A / 60 V) protects the input.

For signaling, a 2-pole terminal block is provided for the error-signaling contact. The included CD-ROM contains the electronic manual, and a C-PLUG (optional) allows easy device replacement without reconfiguration.

Configuration can be performed via the web interface, CLI, or STEP 7, enabling quick setup and integration into existing engineering environments.

Maintenance and Reliability

With an MTBF of 83.71 years, the 6GK5208-0BA10-2AA3 is built for long service life. Routine maintenance is minimal, but regular inspection of the power supply and network connections is recommended to ensure optimal performance.

The device supports diagnostics such as port statistics and error statistics, allowing engineers to monitor network health proactively. The integrated error-signaling contact can alert operators to faults, reducing downtime.

For environments with high humidity, the switch is rated for up to 95% relative humidity (non-condensing), ensuring reliable operation in demanding conditions.

Compatibility and Integration

As a PROFINET IO device, the 6GK5208-0BA10-2AA3It supports configuration via STEP 7 and offers network management features like port mirroring, SNMP, and LLDP.

The switch also supports media redundancy protocols (MRP, HRP, PRP) and can act as a redundancy manager, making it suitable for high-availability network topologies. Its compatibility with SICLOCK enables time synchronization in industrial networks.

Troubleshooting and Common Issues

Common issues with managed switches include configuration errors and network loops. The 6GK5208-0BA10-2AA3 mitigates these with features like MRP and ring redundancy, which prevent loops and ensure fast reconfiguration.

If network performance degrades, use the integrated statistics and diagnostics to identify faulty ports or excessive traffic. The error-signaling contact can be configured to alert on specific events, aiding in rapid fault resolution.

For detailed troubleshooting, refer to the official Siemens documentation or contact AutoDCSTech for expert support.

Product Support and Availability

At AutoDCSTech, we stock the 6GK5208-0BA10-2AA3 and are ready to ship. Contact our team for pricing, availability, and technical guidance. We are committed to helping you maintain a resilient industrial network.