The Siemens 6GK5208-0BA10-2AA3 is a SCALANCE X208 managed Industrial Ethernet switch designed for industrial automation and Industrial Ethernet networking applications.
With 8 × 10/100 Mbps RJ45 ports, 24 V DC power supply, redundant power capability, PROFINET IO functionality, network management and an integrated redundancy manager, the SCALANCE X208 is designed for connecting automation devices within industrial communication networks.
For maintenance engineers and industrial automation spare-parts buyers, the exact Siemens order number 6GK5208-0BA10-2AA3 is important when identifying an existing switch or sourcing a replacement.
Siemens 6GK5208-0BA10-2AA3 Overview
The 6GK5208-0BA10-2AA3 belongs to the Siemens SCALANCE X208 product family.
According to Siemens product documentation, this model is a managed Industrial Ethernet switch with eight 10/100 Mbps RJ45 network ports. It supports PROFINET IO, network management and an integrated redundancy manager. Siemens also specifies redundant power supply capability and an optional C-PLUG.
Key Specifications
| Parameter |
Siemens 6GK5208-0BA10-2AA3 |
| Brand |
Siemens |
| Product Family |
SCALANCE X208 |
| Article Number |
6GK5208-0BA10-2AA3 |
| Product Type |
Managed Industrial Ethernet Switch |
| Ethernet Ports |
8 × RJ45 |
| Data Rate |
10/100 Mbps |
| Network Function |
Industrial Ethernet |
| PROFINET |
PROFINET IO device |
| Power Supply |
24 V DC |
| Redundant Power |
Yes |
| Network Management |
Yes |
| Redundancy Manager |
Integrated |
| C-PLUG |
Supported |
| Signaling Contact |
2-pole terminal block |
| Power Connection |
4-pole terminal block |
| Operating Temperature |
-40 to +60 °C |
The official Siemens datasheet specifies eight 10/100 Mbps RJ45 ports, a 24 V DC rated supply, redundant power supply capability and an operating temperature range of -40 to +60 °C.
What Is the Siemens SCALANCE X208?
The SCALANCE X208 is an industrial Ethernet switch designed for communication between automation devices and industrial network components.
In a typical automation architecture, an Industrial Ethernet switch can connect devices such as:
The eight RJ45 ports of the 6GK5208-0BA10-2AA3 provide connectivity for industrial network devices using 10 Mbps or 100 Mbps Ethernet communication.
Main Features of 6GK5208-0BA10-2AA3
1. Eight 10/100 Mbps RJ45 Ports
The Siemens SCALANCE X208 provides 8 RJ45 Ethernet ports supporting 10/100 Mbps transmission rates.
This port configuration makes the switch suitable for compact industrial Ethernet networks where multiple automation devices need to communicate through a centralized network component.
2. PROFINET IO Support
The 6GK5208-0BA10-2AA3 supports PROFINET IO, making it suitable for industrial automation networks based on Siemens PROFINET communication.
This is particularly relevant in systems containing Siemens PLCs, distributed I/O and other PROFINET-compatible automation equipment.
3. Managed Industrial Ethernet Switch
One important point when identifying this product is that Siemens describes the 6GK5208-0BA10-2AA3 as a managed IE switch, rather than an unmanaged switch.
Therefore, buyers searching for this exact part number should use the complete Siemens article number rather than relying only on the generic term "Ethernet switch."
4. Redundant Power Supply
The switch supports redundant power supply capability and uses a 24 V DC rated supply. Siemens documentation lists a 4-pole terminal block for the power connection.
Redundant power arrangements can be useful in industrial networks where maintaining network availability is important.
5. Integrated Redundancy Manager
The SCALANCE X208 includes an integrated Redundancy Manager, supporting industrial network architectures where redundancy is required.
This makes the switch relevant to industrial Ethernet systems that require more than basic device-to-device connectivity.
6. C-PLUG Support
The Siemens documentation also identifies C-PLUG support for the 6GK5208-0BA10-2AA3.
When servicing an existing installation, engineers should check the configuration and C-PLUG requirements before replacing the original unit.
Siemens 6GK5208-0BA10-2AA3 Applications
The SCALANCE X208 can be used in a variety of industrial networking environments.
Factory Automation
Industrial Ethernet switches are commonly used to connect PLCs, HMIs, distributed I/O and other automation devices.
The eight-port configuration of the SCALANCE X208 can be suitable for compact automation networks.
PROFINET Networks
Because the 6GK5208-0BA10-2AA3 supports PROFINET IO, it can be integrated into industrial communication architectures using PROFINET.
Machine Automation
Machine builders can use Industrial Ethernet switches to connect controllers, operator panels, drives and other Ethernet-based equipment.
Production Lines
Production lines often contain multiple automation stations that require reliable communication between controllers and field devices.
Industrial Control Systems
The SCALANCE X208 can also be used as a network component in industrial control systems where multiple Ethernet devices need to communicate.
6GK5208-0BA10-2AA3 Replacement Guide
When replacing a Siemens 6GK5208-0BA10-2AA3, the exact article number should be checked before purchasing.
Important parameters to compare include:
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Siemens article number
-
SCALANCE product family
-
Number of RJ45 ports
-
Ethernet transmission rate
-
PROFINET requirements
-
Power supply voltage
-
Redundant power requirements
-
Network management requirements
-
C-PLUG configuration
-
Existing network topology
This is especially important because Siemens has multiple SCALANCE switches with similar physical designs but different communication functions and port configurations.
Is Siemens 6GK5208-0BA10-2AA3 Discontinued?
Siemens currently identifies 6GK5208-0BA10-2AA3 as a spare-part product, and its Siemens product catalog lists the product as cancelled effective October 1, 2024. Siemens also identifies SCALANCE XC208, article number 6GK5208-0BA00-2AC2, as the successor.
This information is particularly useful for maintenance teams operating existing SCALANCE X208 installations.
However, a successor designation does not automatically mean that the newer product should be treated as a direct drop-in replacement for every existing installation.
Before replacing the original unit, engineers should compare:
-
Network configuration
-
Firmware requirements
-
Hardware interfaces
-
Installation requirements
-
PROFINET configuration
-
Existing network topology
-
C-PLUG or configuration requirements
For an existing machine, the safest approach is to verify the complete Siemens article number and system documentation before changing the installed network component.
Why Industrial Buyers Search for 6GK5208-0BA10-2AA3
Industrial automation components are often searched by their exact manufacturer part number.
For this Siemens switch, potential search terms include:
-
Siemens 6GK5208-0BA10-2AA3
-
6GK5208-0BA10-2AA3
-
SCALANCE X208
-
Siemens SCALANCE X208
-
Siemens Industrial Ethernet switch
-
Siemens PROFINET Ethernet switch
-
6GK5208-0BA10-2AA3 replacement
-
6GK5208-0BA10-2AA3 spare part
-
SCALANCE X208 replacement
-
Siemens Ethernet switch spare part
These searches are particularly relevant to maintenance engineers, system integrators and purchasing departments looking for an exact replacement component.
Siemens SCALANCE X208 Spare Part
For industrial maintenance projects, an Ethernet switch failure can affect communication between multiple automation devices.
Keeping the correct spare part available can therefore help reduce troubleshooting and equipment downtime.
When purchasing a Siemens 6GK5208-0BA10-2AA3, buyers should verify the complete article number:
6GK5208-0BA10-2AA3
and confirm that the required port configuration, communication functions and power requirements match the existing installation.
For customers searching specifically for this Siemens SCALANCE component, the 6GK5208-0BA10-2AA3 product page provides a direct reference for the exact model.
Frequently Asked Questions
What is Siemens 6GK5208-0BA10-2AA3?
The Siemens 6GK5208-0BA10-2AA3 is a SCALANCE X208 managed Industrial Ethernet switch with eight 10/100 Mbps RJ45 ports.
How many ports does SCALANCE X208 have?
The 6GK5208-0BA10-2AA3 has 8 RJ45 Ethernet ports, supporting 10/100 Mbps communication.
Does Siemens 6GK5208-0BA10-2AA3 support PROFINET?
Yes. Siemens identifies the 6GK5208-0BA10-2AA3 as a PROFINET IO device.
What power supply does 6GK5208-0BA10-2AA3 use?
The Siemens datasheet specifies a 24 V DC rated supply and support for redundant power supply.
Is 6GK5208-0BA10-2AA3 managed or unmanaged?
Siemens officially describes this model as a managed Industrial Ethernet switch.
What is the replacement for Siemens 6GK5208-0BA10-2AA3?
Siemens lists SCALANCE XC208, 6GK5208-0BA00-2AC2, as the successor to the 6GK5208-0BA10-2AA3. Compatibility should be checked against the existing installation before replacement.
Conclusion
The Siemens 6GK5208-0BA10-2AA3 SCALANCE X208 is an industrial managed Ethernet switch designed for automation networks requiring multiple 10/100 Mbps Ethernet connections.
Its 8 RJ45 ports, PROFINET IO support, 24 V DC supply, redundant power capability, network management and integrated redundancy manager make it a relevant network component for industrial automation applications.
For maintenance and spare-parts sourcing, always search and verify the complete Siemens reference:
6GK5208-0BA10-2AA3
This helps distinguish the exact SCALANCE X208 model from other Siemens Industrial Ethernet switches with similar product names.
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