Phoenix Contact FL SWITCH EP4204-2SFP-LV Managed Switch

FL SWITCH EP4204-2SFP-LV: managed Gigabit switch, 4 RJ45 and 2 SFP ports, 12-48 V DC

The Phoenix Contact FL SWITCH EP4204-2SFP-LV (order no. 1732190) is a managed Gigabit switch of the EP4000 series with four RJ45 ports at 10/100/1000 Mbps and two SFP ports at 100/1000 Mbps. The metal housing is 72 mm wide, 170 mm high and 140 mm deep. LV in the name refers to the low-voltage supply of 12 to 48 V DC.

Seven Star LLC supplies the FL SWITCH EP4204-2SFP-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 EP4204-2SFP-LV

How the FL SWITCH EP4204-2SFP-LV works

The FL SWITCH EP4204-2SFP-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, a maximum power dissipation of 20 W, IP40, and -40 to 85 degrees C operation. The standard IEC 61850-3 is listed. The alarm relay output switches 30 V DC at 0.6 A. MTBF is 248.5 years under the Telcordia method at 25 degrees C.

Where the FL SWITCH EP4204-2SFP-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 EP4204-2SFP-LV where a few devices need gigabit links and fibre uplinks. For eight copper ports, the 1732185 is the larger variant.

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.
• SFP modules are not included; choose the module for your fibre type and distance.

Installation, commissioning and maintenance of the FL SWITCH EP4204-2SFP-LV

Mount the FL SWITCH EP4204-2SFP-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.

SFP modules must be ordered separately; the transmission medium depends on the module you fit.

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.

Substations, pipeline stations and outdoor kiosks in the GCC fit this switch.

Comparison with related Phoenix Contact industrial Ethernet switches

Information to send with an RFQ

• Full part number FL SWITCH EP4204-2SFP-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 EP4204-2SFP-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 EP4204-2SFP-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 EP4204-2SFP-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 EP4204-2SFP-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.