Phoenix Contact 2891002 Industrial Ethernet Switch FL SWITCH SFNB 8TX

The Phoenix Contact FL SWITCH SFNB 8TX is a compact, unmanaged industrial Ethernet switch with 8 RJ45 ports supporting 10/100 Mbps auto-negotiation and autocrossing. Built for rugged environments, it offers plug-and-play simplicity for industrial Ethernet networks, making it ideal for expanding or segmenting control-level and machine-level topologies.

Designed to DIN rail standards and encased in robust aluminum, this switch provides reliable performance in harsh industrial conditions, conforming to IEEE 802.3 standards with store-and-forward switching for error-free data transmission.

Technical Specifications

Model: FL SWITCH SFNB 8TX
Part Number: 2891002
Product Type: Unmanaged Ethernet Switch
Mounting: DIN rail NS 35
Housing Material: Aluminum
Dimensions (W × H × D): 50 × 110 × 70 mm
Weight: Approx. 0.25 kg

Electrical Characteristics

Supply:

• Voltage Type: DC
• Nominal Voltage: 24 V DC
• Voltage Range: 9–32 V DC
• Max. Current Consumption: 380 mA (@ 9 V DC)
• Typical Current Consumption: 140 mA (@ 24 V DC)
• Power Dissipation: 3.36 W (nominal)
• Residual Ripple: ≤ 3.6 VPP
• Power Connection: COMBICON (screw terminal, up to 2.5 mm²)

Network & Interface Data

• Number of Ports: 8 × RJ45
• Port Type: 10/100 Mbps, auto-negotiation, autocrossing
• Transmission Standard: IEEE 802.3
• MAC Table Size: 2k entries
• Transmission Length (per segment): Up to 100 m (twisted pair)
• Switching Mode: Store-and-forward
• LED Indicators:
  • US (Power) – Green
  • Link/Activity – Green per port
  • Data Speed (100 Mbps) – Yellow

Mechanical & Connection Data

Power & Signal Connections:

• Connection Type: Screw terminal (COMBICON)
• Conductor Cross Section (Rigid/Flexible): 0.2–2.5 mm²
• AWG Range: 30–12
• Stripping Length: 7 mm
• Tightening Torque: Not specified (standard M3)

Mounting Position: Vertical/horizontal DIN rail NS 35
Installation Clearance: Not required

Environmental & Reliability

• Operating Temperature: –10°C to +60°C
• Storage Temperature: –20°C to +85°C
• Humidity (Operation/Storage): 5–95% (non-condensing)
• Altitude (Operation): Up to 1500 m
• Degree of Protection: IP20
• MTTF (25°C): 95.6 years (MIL-HDBK-217F)
• Shock Resistance: IEC 60068-2-27
• Vibration Resistance: IEC 60068-2-6
• EMC Compliance: EN 61000-6-2:2005
• Approvals: UL (Class I, Div. 2, Groups A–D)

Applications

Ideal for:

• Industrial automation networks
• Machine-level Ethernet expansion
• Control cabinet data distribution
• SCADA/PLC system integration
• Segmentation of unmanaged Ethernet devices

Key Features & Benefits

✅ 8 Auto-Negotiating Ports: Fast and simple integration with 10/100 Mbps Ethernet.

✅ Robust Design: Aluminum housing for industrial durability.

✅ Autocrossing Functionality: No need for crossover cables.

✅ Plug-and-Play: Immediate network expansion without configuration.

✅ Diagnostic LEDs: Clear visual feedback for power, link, and activity status.

📦 Available from Drive Outlet Megastore

The Phoenix Contact FL SWITCH SFNB 8TX brings reliable unmanaged switching to your industrial Ethernet backbone. Its simplicity, ruggedness, and performance make it a smart choice for control and automation networks.

Need help choosing the right switch for your system? Contact our support team.

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