FL SWITCH SFNB 8TX – 2891002 – Phoenix Contact Industrial Ethernet Switches

USD $ 262.71USD $ 518.49


Phoenix Contact develops terminal blocks, power supplies, relays, connectors, signal conditioners, controllers & PLCs, I/O systems, Industrial Ethernet, controller system cabling, PCB terminal blocks & connectors, and surge suppression.

Product description

Ethernet switch, 8 TP RJ45 ports, automatic detection of data transmission speed of 10/100 Mbps (RJ45), autocrossing function

Key Commercial Data

Orderkey 2891002
Packing unit 1 pc
Catalog page Page 289 (C-6-2019)
GTIN 4046356457170
Weight per Piece (excluding packing) 400.000 g
Custom tariff number 85176200
Country of origin TW (Taiwan)


Width 50 mm
Height 110 mm
Depth 70 mm

Ambient conditions

Degree of protection IP20
Ambient temperature (operation) -10 °C … 60 °C
Ambient temperature (storage/transport) -20 °C … 85 °C
Permissible humidity (operation) 5 % … 95 % (non-condensing)
Permissible humidity (storage/transport) 5 % … 95 % (non-condensing)
Air pressure (operation) 86 kPa … 108 kPa (up to 1500 m above sea level)


Interface Ethernet (RJ45)
No. of ports 8 (RJ45 ports)
Note on the connection method Auto negotiation and autocrossing
Transmission physics Ethernet in RJ45 twisted pair
Transmission speed 10/100 Mbps
Transmission length 100 m (per segment)
Signal LEDs Data receive, link status


Basic functions Unmanaged switch / auto negotiation, complies with IEEE 802.3, store and forward switching mode
Additional functions Autonegotiation
MAC address table 2k
Status and diagnostic indicators LEDs: US, link and activity per port

Network expansion parameters

Cascading depth Network, linear, and star structure: any
Maximum conductor length (twisted pair) 100 m

Supply voltage

Supply voltage 24 V DC
Residual ripple 3.6 VPP (within the permitted voltage range)
Supply voltage range 9 V DC … 32 V DC
Typical current consumption 140 mA (at US = 24 V DC)
Max. current consumption 380 mA (@9 V DC)


Mounting type DIN rail
Type AX Block design
Net weight 413 g
Housing material Aluminum
MTTF 95.6 Years (MIL-HDBK-217F standard, temperature 25°C, operating cycle 100%)

Standards and Regulations

Electromagnetic compatibility Conformance with EMC Directive 2004/108/EC
Noise emission EN 61000-6-4
Noise immunity EN 61000-6-2:2005
UL, USA / Canada Class I, Div. 2, Groups A, B, C, D

Environmental Product Compliance

REACh SVHC Lead 7439-92-1
China RoHS Environmentally Friendly Use Period = 10;
For details about hazardous substances go to tab “Downloads”, Category “Manufacturer’s declaration”