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Phoenix Industrial Ethernet Switch - FL SWITCH SFNB 5TX - 2891001
Phoenix Industrial Ethernet Switch - FL SWITCH SFNB 5TX - 2891001
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Phoenix Contact FL SWITCH SFNB 5TX — Industrial Ethernet Switch, 2891001
5-port unmanaged DIN rail Ethernet switch with auto-negotiation and wide voltage input range
Overview
The Phoenix Contact FL SWITCH SFNB 5TX is an Ethernet switch featuring 5 RJ45 twisted-pair ports with automatic detection of 10 or 100 Mbps data transmission speeds and an autocrossing function for simplified cabling. As an unmanaged switch, it operates with auto-negotiation and complies with IEEE 802.3, using store-and-forward switching mode. Housed in a rugged aluminum DIN rail enclosure, this switch is designed for straightforward industrial network expansion where a managed switch isn't required.
Key Features
- 5 auto-sensing RJ45 ports: Automatically detects 10 or 100 Mbps transmission speeds with autocrossing for cable flexibility.
- Unmanaged plug-and-play operation: Store-and-forward switching per IEEE 802.3 with no configuration required.
- Wide voltage input range: Accepts 12-48V DC, with 24V DC nominal supply.
- Rugged aluminum enclosure: Compact 263g housing suited for DIN rail mounting in industrial control cabinets.
- Extremely high reliability rating: MTTF of 173.5 years per MIL-HDBK-217F standard (25°C, 100% duty cycle).
- Low power consumption: Typical draw of just 185mA at 24V DC.
What's Included
| Item | Function | Qty |
|---|---|---|
| Phoenix Contact FL SWITCH SFNB 5TX | 5-port unmanaged industrial Ethernet switch | 1 |
Brand: Phoenix Contact | Model: FL SWITCH SFNB 5TX | Part Number: 2891001
Technical Specifications
Supply voltage: 24V DC (nominal); range 12-48V DC.
Residual ripple: 3.6 Vpp (within permitted voltage range).
Current consumption: Typical 185mA at 24V DC; max. 345mA at 12V DC.
Mounting: DIN rail; AX block design.
Housing material: Aluminum.
Net weight: 263g.
MTTF: 173.5 years (MIL-HDBK-217F, 25°C, 100% operating cycle).
Compatibility & Applications
This switch is well suited for expanding industrial Ethernet networks in control cabinets, particularly for connecting PLCs, HMIs, sensors, or other automation devices requiring straightforward network connectivity without managed switch complexity. Its DIN rail mounting and wide voltage tolerance make it a practical fit for standard industrial control panel installations.
