Phoenix Contact FL SWITCH EP4208-2SFP-LV Managed Switch

Description

FL SWITCH EP4208-2SFP-LV: managed Gigabit switch, 8 RJ45 and 2 SFP ports, 12-48 V DC

The Phoenix Contact FL SWITCH EP4208-2SFP-LV (order no. 1732185) is the larger EP4000 variant with eight RJ45 ports at 10/100/1000 Mbps and two SFP slots at 100/1000 Mbps. It shares the 72 mm x 170 mm x 140 mm metal housing, IP40 rating, 12 to 48 V DC supply and -40 to 85 degrees C range of the 4-port model.

Seven Star LLC supplies the FL SWITCH EP4208-2SFP-LV as an independent supplier in Muscat for projects in Oman and the GCC, quoted against the exact part number shown here.

Technical specifications of the FL SWITCH EP4208-2SFP-LV

Parameter Specification
Manufacturer / part number Phoenix Contact FL SWITCH EP4208-2SFP-LV (order no. 1732185)
Product family Managed Switch EP4000
Redundancy functions RSTP (Rapid Spanning Tree, IEEE 802.1w); STP; MSTP
Copper port speed 10/100/1000 Mbps
Cable length per segment 100 m (per segment)
MAC address table 16k
Supply voltage range 12 V DC – 48 V DC
Maximum power dissipation 20 W (max.)
Supply connection RJ45
Degree of protection IP40
Ambient temperature (operation) -40 °C – 85 °C
Permissible humidity (operation) 5 % – 95 % (non-condensing)
MTTF / MTBF 241.7 Years (Telcordia standard, 25 °C temperature, 50% stress); 21.3 Years (MIL-HDBK-217F standard, temperature 25°C); 518.1 Years (SN 29500 standard, temperature 25°C, operating cycle 21%)
Housing material Metal
Mounting type DIN rail mounting
Dimensions (W x H x D) 72 x 170 x 140 mm

How the FL SWITCH EP4208-2SFP-LV works

The FL SWITCH EP4208-2SFP-LV is a managed Gigabit switch from the EP4000 series with a metal housing. Unlike an unmanaged switch, it can be configured and monitored, and it supports RSTP (rapid spanning tree) for ring or meshed topologies, so that a broken cable results in a quick reconfiguration instead of a network outage. Copper ports run at 10/100/1000 Mbps with autonegotiation, and the SFP ports accept 100/1000 Mbps modules, which allows fibre uplinks over distances that copper cannot reach. Two supply inputs give redundant power, and an alarm relay contact signals faults to a controller.

The datasheet lists RSTP redundancy, 16k MAC addresses and 20 W maximum power dissipation. MTBF is 241.7 years under the Telcordia method, slightly lower than the 4-port unit because of more components. The alarm relay is the same 30 V DC, 0.6 A.

Where the FL SWITCH EP4208-2SFP-LV fits in a system

The EP4000 series is intended for substations, outdoor and harsh-environment cabinets where IEC 61850-3 conformance, a wide temperature range and redundant supply are requested. It sits at the aggregation level of a control network, linking several unmanaged edge switches, remote I/O islands or protection relays to a central controller or SCADA system. The SFP slots allow fibre links between buildings or along a pipeline.

Use the FL SWITCH EP4208-2SFP-LV when more copper devices must connect to a managed backbone. If you only need four copper ports, the 1732190 is the better fit.

Selection and ordering checklist

  • Count the RJ45 and SFP ports needed and choose the variant (4 or 8 copper ports).
  • Select SFP modules separately to match the fibre type and distance; they are not part of this item.
  • Check the supply: 12 to 48 V DC, with two inputs for redundancy.
  • Check the ambient range and IP40 protection against the cabinet environment.
  • Confirm that RSTP meets the redundancy requirement of the network.
  • Check the IEC 61850-3 requirement for substation use.

Installation, commissioning and maintenance of the FL SWITCH EP4208-2SFP-LV

Mount the FL SWITCH EP4208-2SFP-LV on a DIN rail, connect the two supply inputs to independent 12 to 48 V DC sources, wire the alarm relay to a controller input and fit the SFP modules before commissioning. Configure the switch through its management interface, enable RSTP where rings are used and verify the link LEDs. Keep a record of the configuration for replacement.

Two supply inputs give redundancy; wire each to an independent source.

Typical applications in Oman and the GCC

In Oman and the GCC, managed switches with extended temperature range suit substations, outdoor kiosks, pipeline stations and solar plants where air conditioning cannot be assumed. Fibre uplinks through SFP modules connect remote sites over longer distances.

Larger substations and processing sites in the GCC need eight copper ports to link relays, I/O and gateways.

Comparison with related Phoenix Contact industrial Ethernet switches

Device Distinguishing data
FL SWITCH 1005N (1085039) Unmanaged, 5 RJ45 ports, 22.5 mm wide
FL SWITCH 1008N (1085256) Unmanaged, 8 RJ45 ports, 22.5 mm wide, taller housing
FL SWITCH 1016N (1085255) Unmanaged, 16 RJ45 ports, 40 mm wide
FL SWITCH EP4204-2SFP-LV (1732190) Managed Gigabit, 4 RJ45 + 2 SFP
FL SWITCH EP4208-2SFP-LV (1732185) Managed Gigabit, 8 RJ45 + 2 SFP
FL NAT 2008 (2702881) Managed NAT switch, 8 x 10/100 Mbps

Information to send with an RFQ

  • Full part number FL SWITCH EP4208-2SFP-LV and quantity.
  • Number of devices to connect and the cable lengths.
  • Supply voltage available in the cabinet.
  • Whether managed functions (VLAN, redundancy, SNMP) are required.
  • Ambient temperature range at the installation.
  • Delivery location and date.

Site conditions in Oman for the FL SWITCH EP4208-2SFP-LV

Control cabinets in Gulf plants often run hot, because many sit in outdoor kiosks or in rooms where air conditioning is not always reliable. Before you finalise the FL SWITCH EP4208-2SFP-LV, check the permitted ambient range and any derating stated by the manufacturer against the real temperature inside your panel, and leave the recommended spacing around the device so that heat can escape. Long cable runs between the field and the marshalling cabinet are common on large sites, so confirm the signal types, wiring limits and earthing arrangement early in the design.

It also helps to standardise on a small number of part numbers across a project. Keeping a few spare FL SWITCH EP4208-2SFP-LV units on site in Oman shortens recovery time after a fault, and documenting configuration settings makes replacement faster for the maintenance team.

Documents and quotation

Send us the part number FL SWITCH EP4208-2SFP-LV and the quantity you need, and we will confirm which official documents are available for this device. Seven Star LLC is an independent supplier in Muscat and quotes for projects across Oman and the GCC; we do not act on behalf of the manufacturer.

Please also tell us the delivery location and required timeline so that availability can be checked before you commit to a project schedule.

Other Models in the Phoenix Fl Switch Ep4000 Range

Seven Star LLC supplies models from the Phoenix Fl Switch Ep4000 range in Oman and the GCC. Compare the related models below and request a quote for the one that matches your application.

ModelCategory
Phoenix Contact FL SWITCH EP4204-2SFP-LV Managed SwitchControllers & Data AcquisitionView details
Phoenix Contact FL SWITCH EP4208-2SFP-LV Managed SwitchControllers & Data AcquisitionYou are viewing this model
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About brand

Phoenix Contact is a German, family-owned manufacturer of electrical connection technology and industrial automation, founded in 1923 in Essen by Hugo Knümann. It began as a sales company, and in 1928 Knümann developed the modular terminal block mounted on a rail, the product the company is still best known for. Phoenix Contact is headquartered in Blomberg, North Rhine-Westphalia.

Seven Star LLC lists Phoenix Contact surge protection, power supplies and safety relays, and sources these components by order number for panel builders and maintenance teams in Oman.

Phoenix Contact company profile

Founded 1923, Essen, Germany, by Hugo Knümann, as Phönix Elektro- und Industrie-Bedarfsgesellschaft
Headquarters Blomberg, Germany
Ownership Family-owned (Eisert and Stührenberg families)
Key invention The modular terminal block on a DIN rail, 1928
Product families CLIPLINE terminal blocks, PCB terminals and connectors, QUINT and TRIO power supplies, relay modules, surge protection, signal conditioners, Ethernet switches and PLCnext controllers

Milestones

  • 1923: Hugo Knümann founds the company in Essen.
  • 1928: The first modular terminal block is developed.
  • Later: Headquarters move to Blomberg, Ostwestfalen-Lippe.

Phoenix Contact parts listed on this page

The TTC-6-2X1-24DC-UT (order number 2906799) is a surge protection device with screw connection for two 24 V DC signal wires that share a common reference potential. The QUINT-PS/1AC/24DC/10 is a single-phase DIN rail power supply delivering 24 V DC at 10 A. The PSR-SCP-24DC/ESP4/2X1/1X2 (order number 2981020) is a single-channel PSR safety relay for emergency stop and safety door monitoring, with two enabling current paths and plug-in screw terminals.

Phoenix Contact products we list

Family Examples
Isolator & Barrier 2906799 TTC-6-2X1-24DC-UT Surge Protector, MACX MCR-EX-SL-RPSSI-I Signal Isolator, MINI MCR-2-UI-UI 3-Way Signal Conditione…, PLT-SEC-T3-230-FM Type 3 Surge Protectio…
Power Modules QUINT-PS/1AC/24DC/10 QUINT Power Supply, QUINT4-PS/1AC/24DC/10 Power Supply, TRIO-PS-2G/1AC/24DC/10 Power Supply, UNO-PS/1AC/24DC/100W Power Supply
Automation Accessories PLC-RSC-24DC/21 Relay Module, PSR-SCP-24DC/ESP4/2X1/1X2 Safety Relay (…

Ordering Phoenix Contact components: what we need

Phoenix Contact items are ordered by a seven-digit order number together with the type designation, both printed on the side of the module. Send both, plus the quantity. If the number is unreadable, send the type text and a photo. For power supplies, state input voltage, output current and whether the unit runs in parallel or with a redundancy module. For buyers in the GCC replacing an older unit, we check the manufacturer's documentation for the listed successor type.

Facts checked against Phoenix Contact's own company history (phoenixcontact.com), October 2026.

FAQ

Questions about the Phoenix Contact FL SWITCH EP4208-2SFP-LV Managed

Answers from our engineering team on installation, compatibility and integration.

01How many ports?
Eight RJ45 gigabit ports and two SFP ports.
02What is the MTBF?
241.7 years (Telcordia, 25 degrees C, 50 % stress).
03What is the alarm contact rating?
30 V DC, 0.6 A.
04What is the protection class?
IP40.
05Which standard is listed?
IEC 61850-3.