Phoenix Contact FL SWITCH SFNB 5TX Industrial Ethernet Switch, 5-Port 10/100 Mbps, DIN Rail, 24 V DC 2891001

Five Fast Ethernet ports in a rugged DIN-rail housing make the Phoenix Contact FL SWITCH SFNB 5TX a dependable unmanaged switch for industrial networks. It delivers 10/100 Mbps store-and-forward switching with a 2k MAC address table and 512 Kbit buffer, ensuring smooth traffic handling in compact control cabinets.

Overview

The FL SWITCH SFNB 5TX is an unmanaged industrial Ethernet switch with five RJ45 ports supporting 10/100 Mbps. It operates from a 24 V DC supply (12–48 V DC range) and consumes a maximum of 100 mA. The switch is designed for DIN rail mounting and features push-in spring-cage terminal blocks for reliable connections. Its housing combines aluminum and plastic, and it provides LED indicators for power, link/activity, and data status. The switch supports IEEE 802.3, 802.3u, and 802.3x standards, with an operating temperature range of -10 °C to 60 °C.

What stands out

• Five 10/100 Mbps RJ45 ports for Fast Ethernet connectivity
• Store-and-forward switching with 2k MAC address table and 512 Kbit buffer
• Wide 12–48 V DC power input range, optimized for 24 V DC
• DIN rail mounting with push-in spring-cage terminals for quick installation
• Aluminum and plastic housing with IP20 protection for industrial environments

Technical details

• Port count: 5 × RJ45
• Data transfer rate: 10/100 Mbps (Fast Ethernet)
• Switching mode: Store and forward
• Supply voltage: 24 V DC (12–48 V DC)
• Current consumption: max. 100 mA at 24 V DC
• Operating temperature: -10 °C to 60 °C
• Storage temperature: -40 °C to 85 °C
• Protection class: IP20
• Housing material: Aluminum, plastic
• MAC address table: 2k entries
• Buffer memory: 512 Kbit
• LED indicators: Data, Link/Activity, Power
• Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3x
• Type: Unmanaged industrial Ethernet switch
• Connection technology: Push-in spring-cage terminal blocks

Our verdict

The FL SWITCH SFNB 5TX is a straightforward, reliable choice for expanding industrial Ethernet networks where unmanaged plug-and-play operation is preferred. Its compact DIN-rail design and wide voltage tolerance make it easy to integrate into existing control systems.