During technical comparisons, FL-SWITCH-SFN-4TX-FX appears alongside SMPS Phoenix, Fl Switch 2208 and Phoenixcontact Phoenix Contact Industrial Ethernet Switches so engineers assess signal types, ingress protection, and ambient tolerances accurately.
Phoenix FL SWITCH SFN 4TX/FX Industrial Ethernet Switches
The Phoenix FL SWITCH SFN 4TX/FX Power Supply (Part No: 2891851 ) offers a Screw connection method, 100 Mbps (full duplex) transmission speed, 9 V DC ... 32 V DC supply voltage range, IP20 degree of protection. Manufactured by Phoenix under the Phoenix Industrial Ethernet Switches category, this model belongs to the Phoenix FL Series.
| Brand | Phoenix Contact |
| Product Type | Industrial Ethernet switches |
| Model Number | FL SWITCH SFN 4TX/FX |
Phoenix FL SWITCH SFN 4TX/FX Industrial Ethernet Switches
| Specification | Value |
|---|---|
| Width | 30 mm |
| Height | 120 mm |
| Depth | 70 mm |
| Housing material | Aluminum |
| Mounting type | DIN rail mounting |
| Connection method | Screw connection |
| Transmission speed | 100 Mbps (full duplex) |
| Transmission length | 2000 m (Fiberglass 50/125) |
| Signal LEDs | Data receive, link status |
| No. of channels | 1 (SC multi-mode) |
| Product type | Switch |
| MTTF | 193 Years (MIL-HDBK-217F standard, temperature 25°C, operating cycle 100%) |
| Supply voltage (DC) | 24 V DC |
| Supply voltage range | 9 V DC ... 32 V DC |
| Typical current consumption | 140 mA (at US = 24 V DC) |
| Degree of protection | IP20 |
| Ambient temperature (operation) | 0 °C ... 60 °C |
| Ambient temperature (storage/transport) | -20 °C ... 70 °C |
| Permissible humidity (operation) | 5 % ... 95 % (non-condensing) |
| Permissible humidity (storage/transport) | 5 % ... 95 % (non-condensing) |
| Electromagnetic compatibility | Conformance with EMC Directive 2004/108/EC |
| Noise emission | EN 61000-6-4 |
| Status display | LEDs: US, link and activity per port |
| Vibration (operation) | in acc. with IEC 60068-2-6: 5g, 150 Hz |
The Phoenix Contact FL SWITCH SFN 4TX/FX (Part No: 2891851) is a compact 1 FO port Ethernet Switch engineered for secure and high-speed network connectivity. This fl-switch-sfn-4tx-fx-2891851 model supports a data rate of 100 Mbps (full duplex) with one SC multi-mode fiber port that enables transmission up to 2000 meters using 50/125 µm fiberglass. Built with a sturdy aluminum housing, it withstands harsh industrial conditions while maintaining stable operation within temperatures from 0°C to 60°C. The phoenix ntact 2891851 operates on 24 V DC and consumes 140 mA, ensuring efficient energy usage for continuous automation applications. Featuring DIN rail mounting and screw connection terminals, the device offers secure installation in compact control cabinets. The fl switch sfn 4tx/fx includes LED indicators for link, data, and power monitoring, simplifying maintenance and fault detection. With an IP20 protection rating, vibration resistance up to 5g, and an exceptional MTTF of 193 years, Phoenix Contact Industrial Ethernet Switches deliver unmatched durability and operational reliability.
The FL SWITCH SFN 4TX/FX 2891851 is widely deployed in process automation, SCADA networks, and manufacturing plants where long-distance communication through fiber is essential. Its compact footprint allows seamless integration into small cabinets while ensuring stable connectivity between controllers, HMIs, and I/O devices. This switch fx model is preferred by maintenance engineers for its robust aluminum body, diagnostic LEDs, and vibration-resistant design that ensures uptime even under demanding conditions. It supports reliable data transfer across distributed systems, making it a perfect choice for engineers managing large-scale automation projects or remote machine setups. The phoenix fx series has earned a reputation for consistency, offering plug-and-play installation and excellent EMI protection that guarantees network stability in electrically noisy environments. Industrial professionals trust Phoenix Contact Industrial Ethernet Switches for their superior performance and long-term reliability in control and communication systems.
Professionals searching for phoenix fx, fl switch sfn 4tx/fx st, or phoenix contact fl switch sfn 8tx manual will find the fl-switch-sfn-4tx-fx-2891851 ideal for efficient industrial networking. The phoenix contact 2891851 combines energy efficiency, high-speed data transmission, and durable construction in one dependable device. Backed by trusted performance, Phoenix Contact Industrial Ethernet Switches remain a benchmark for reliable automation communication solutions.
