6GK5108-0BA00-2AA3 Siemens SCALANCE X108 Switch – 8-Port Ethernet

Siemens 6GK5108-0BA00-2AA3 SCALANCE X108 Industrial Ethernet Switch

The 6GK5108-0BA00-2AA3 is a robust 8-port unmanaged switch from the Siemens SCALANCE X108 series, specifically engineered for mission-critical industrial Ethernet applications. Unlike basic switches, this unit features redundant power supply inputs and a specialized signaling contact, providing enhanced operational visibility. It is designed to maintain high-speed communication in demanding environments, offering reliable performance across manufacturing, marine, and hazardous-area industrial sectors.

Global PLC Spare HUB Insight

The 6GK5108-0BA00-2AA3 is favored by automation engineers who prioritize network uptime. Its integrated fault-signaling contact, configurable via a simple set button, allows the system to alert operators immediately to power or link disturbances. With a proven MTBF of nearly 140 years and extensive certifications—including ATEX and various marine class approvals—this switch serves as a dependable cornerstone for decentralized control architectures that cannot afford unplanned downtime.

Application Focus: Redundant power automation clusters, marine control infrastructure, high-density industrial node expansion, and explosive atmosphere safety loops.

Technical Specification Matrix

• Manufacturer: Siemens
• Part Number: 6GK5108-0BA00-2AA3
• Series: SCALANCE X108
• Connectivity: 8x 10/100 Mbit/s RJ45 ports with securing collars
• Power Supply: Redundant 24 V DC (18 - 32 V range)
• Signaling Contact: 2-pole terminal block (24V/0.1A output)
• Power Loss: 3.36 W (at 24 V)
• Ingress Protection: IP30
• Operating Temperature: -20 °C to +70 °C
• Mounting: DIN-rail (35mm), wall mount, or S7-300 rail

Operational & Diagnostic Features

• Redundancy Management: Dual-input power terminals ensure the switch continues operation even if one power source fails.
• Watchdog Signaling: Built-in fault-signaling contact triggers external alarms upon power or link loss, simplifying remote monitoring.
• Traffic Optimization: Integrated CoS (Class of Service) support ensures PROFINET automation data is prioritized during peak network traffic.

Shipping & Quality Guarantee

• Fast Dispatch: Expedited fulfillment within 24 to 48 hours.
• Logistics: Reliable global transit via FedEx, UPS, or DHL.
• Performance Warranty: All units backed by a 12-month quality guarantee.

Expert FAQ

Q: What is the benefit of the redundant voltage supply inputs?
A: It allows you to connect two independent power sources. If your primary power rail goes down, the switch automatically switches to the backup, preventing control signal loss.

Q: Is this switch suitable for Class 1, Division 2 hazardous locations?
A: Yes, the 6GK5108-0BA00-2AA3 carries formal certifications for hazardous zones, including ATEX and FM approval for explosive environments.

Q: How do I configure the signaling contact alarm?
A: You use the set button on the front face of the device to toggle the monitoring state; the fault contact will trigger based on the specific power or link failure modes you define.

Q: Does this model require external configuration software?
A: No, this is an unmanaged switch. It is designed for transparent operation with no IP address or software management required for standard data switching tasks.

Q: Selection Guide: How does this compare to the X005 model?
A: The X108 offers 8 ports compared to the X005's 5 ports, and provides the critical redundant power and fault signaling contacts necessary for larger, more complex industrial control cabinets.

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