Description
PHOENIX CONTACT
FL SWITCH SFNT 8TX
ORD-NO: 2891005
ETHERNET SWITCH
POWER SUPPLY: 24V DC 153MA
HW: 12
SURROUNDING AIR TEMP RANGE: -40C< TAMB < 75C
WIRE RANGE 30-12 AWG
TORQUE 5-7 LBS-INS
CLASS I, ZONE 2, AEX NC IIC T4 AND EX NC NL IIC T4 X
CLASS I, DIVISION 2, GROUPS A, B, C AND D, TEMP CODE T4
TECHNICAL SPECIFICATION:
MOUNTING TYPE: DIN RAIL MOUNTING
CONNECTION METHOD: RJ45
NOTE ON THE CONNECTION METHOD: AUTO NEGOTIATION AND
AUTOCROSSING
TRANSMISSION SPEED: 10/100 MBPS
TRANSMISSION PHYSICS: ETHERNET IN RJ45 TWISTED PAIR
NO. OF CHANNELS: 8 (RJ45 PORTS)
SUPPLY VOLTAGE (DC): 24 V DC (REDUNDANT)
SUPPLY VOLTAGE RANGE: 9 V DC … 32 V DC
POWER SUPPLY CONNECTION: VIA COMBICON, MAX. CONDUCTOR
CROSS SECTION 2.5 MM²
RESIDUAL RIPPLE: 3.6 VPP (WITHIN THE PERMITTED VOLTAGE RANGE)
MAX. CURRENT CONSUMPTION: 490 MA (@9 V DC)
TYPICAL CURRENT CONSUMPTION: 155 MA (AT US = 24 V DC)
GERMANY
The Phoenix Contact FL SWITCH SFNT 8TX (2891005) is an Ethernet switch used in shipboard control networks, linking automation devices over twisted-pair cabling. It provides eight RJ45 ports running at 10/100 Mbps with auto negotiation and autocrossing, and takes a redundant 24 V DC supply within a 9-32 V DC range through a COMBICON connection. The unit is designed for DIN rail mounting and is rated for surrounding air temperatures from -40 to 75 °C. It also carries Class I, Zone 2 and Class I, Division 2 markings. Condition is new open box.
Key Features
✓ 8 RJ45 ports with auto negotiation and autocrossing
✓ 10/100 Mbps Ethernet over twisted pair
✓ Redundant 24 V DC supply, 9-32 V DC range via COMBICON
✓ Surrounding air temperature range -40 to 75 °C
✓ Class I, Zone 2 and Class I, Division 2, Groups A, B, C and D, T4
Marine Applications
✓ Ethernet distribution inside machinery automation cabinets
✓ Connecting controllers, operator panels and I/O nodes on a control network
✓ Control network nodes in spaces classified Class I, Zone 2
Technical Support
Prota Marine provides technical support, repair and onboard installation for the FL SWITCH SFNT 8TX Ethernet switch and the wider marine control system. Our engineers handle fault diagnosis on the switch and the network it serves, and provide commissioning support after installation.



