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C79451-A3468-B25

The C79451-A3468-B25 is a managed Industrial Ethernet switch from Siemens, designed for rugged and reliable network connectivity in industrial automation environments. This 8-port Fast Ethernet switch supports PROFINET real-time communication and is built to withstand harsh industrial conditions, including extreme temperatures, vibrations, and electromagnetic interference.

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TEL：400-887-3214
Mail：jilineasyyi@outlook.com
Q Q：615739355
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Key Features
✔ 8× Fast Ethernet ports (10/100 Mbps, RJ45) – Auto-negotiation & auto-MDI/MDI-X
✔ PROFINET Conformance Class B – Optimized for real-time industrial communication
✔ Redundancy protocols – MRP (Media Redundancy Protocol), RSTP (Rapid Spanning Tree Protocol)
✔ Wide operating temperature (-40°C to +75°C) – Fanless design for reliability
✔ Dual power inputs (24V DC, redundant operation) – Ensures continuous uptime
✔ DIN-rail mounting – Compact, space-saving design (IP30 metal housing)

3. Technical Specifications
3.1 Network Performance
Parameter Specification
Port Configuration 8× 10/100BASE-TX (RJ45)
Switching Capacity 1.6 Gbps
Packet Buffer 1.5 MB
Latency <5 μs (store-and-forward)
3.2 Industrial Durability
Parameter Specification
EMC Immunity EN 61000-6-2 (Industrial Grade)
Shock/Vibration IEC 60068-2-6 / 60068-2-27
Power Input 24V DC (dual redundant, 18–32V range)
Power Consumption 6W (typical)
3.3 Management & Security
Web-based management (HTTPS/SSL encryption)

SNMP v3 (secure network monitoring)

VLAN support (IEEE 802.1Q)

Port security (MAC address filtering)

4. Typical Applications
✔ Factory automation – PLC-to-drive communication
✔ Process control – SCADA and DCS networks
✔ Energy management – Wind/solar farm monitoring
✔ Transportation – Rail signaling and traffic control