Moxa 20 Port Layer 3 Gigabit Modular Managed Ethernet Switch – Extended Wide Temperature Operation

MDS-G4020-L3-4XGS-T
£6,641.50

Layer 3 Modular Managed Switch – IEC 61850-3 – 16x Gigabit + 4x 10G SFP+ – modular copper/fibre options – advanced routing – IEEE 1588 PTP – dual LV/HV power – Extended wide -40 to 75°C operation

0 in stock – available to order on request.

Moxa Products Supplied To the UK, From the UK

As an official UK distributor of Moxa products since 2014, we at Impulse are proud to be affiliated with Moxa Technical College. Our partnership enables us to provide comprehensive in-house training and first-line technical support, and our team of Industrial Internet of Things (IIoT) specialists are fully equipped to guide you through every step of the process. Whether you require assistance with installation, troubleshooting or anything else, our team is ready to assist you.

Technical Support from Impulse

Our commitment doesn't end with the initial setup—we provide lifelong technical support for the entire range of Moxa products at no extra charge. Count on us to ensure that your network operates at its peak performance throughout its entire lifespan.

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The MDS-G4020-L3-4XGS-T is the wide-temperature version of the modular Layer 3 switch, operating reliably from -40 to 75°C. Designed for large-scale industrial and substation networks, it combines advanced routing with 10G uplink capacity and rugged modular construction.

It supports 16x Gigabit interfaces via LM-7000H expansion modules and 4x embedded 10G SFP+ uplinks. Dual hot-swappable LV (24/48 VDC) or HV (110/220 VAC/VDC) power modules provide redundant supply options.In addition to Layer 2 functionality, it offers advanced Layer 3 routing, including static/dynamic routing, inter-VLAN routing, and multicast routing, enabling efficient traffic segmentation and backbone design.

Network resiliency is ensured with PRP and HSR, as specified in IEC 62439-3, as well as with Turbo Ring/Chain, RSTP, and MSTP. IEEE 1588 PTP, combined with IEC 61850-9-3 and IEEE C37.238 profiles, ensures precise time synchronisation for protection and control applications. MMS/IEC 61850-90-4 support and an HTML5-based interface simplify SCADA integration and ongoing management.

With its extended temperature range, modularity, and advanced routing capabilities, the MDS-G4020-L3-4XGS-T is a resilient backbone switch designed for substations, smart grids, and harsh industrial deployments that require both Layer 2 and Layer 3 performance.

Device Type Managed Switch
Ethernet Ports 20
IP Rating IP40
Power Over Ethernet (PoE) Ports Yes
Ethernet Speed 10/100/1000 Mbps
Fibre Speed 16x 100/1000 Mbps, 4x 100/1000/10000 Mbps
Market Certifications NEMA-TS2, EN 50121-4, IEEE 1613, IEC 61850-3, RoHS, CE, FCC
Mounting DIN-Rail, optional Wall Mounting Kit available
PoE Power Budget 360W (max 36 W per channel)
Warranty 5 years
Fibre Ports 4x SFP+ and up to 16x SFP
Input Voltage 24V to 48V DC or 110V to 220V DC
Operating Temperature -40°C to +75°C

Delivery & Returns

We offer a range of delivery options to suit your needs.

UK Mainland

  • Free next day shipping on all orders over £150 (UK Mainland only)
  • Next day delivery - £12 (UK Mainland only)
  • Postcode Exclusions: ZE, KW15+ PO 30, JE, HS, GY, TR, IM, AB31+, KW 1-14, FK19+, PA20+, IV, PH

Northern Ireland & Highlands

  • Northern Ireland (2 business day delivery) - from £40 (UKIMS required for NI)
  • Highlands delivery (up to 3 business days) - from £30

Ireland

  • Ireland Economy (2-5 business days) - from £35
  • Ireland Priority (1-3 business days) - from £50

RMA

In order to process returned goods, Impulse Embedded Limited uses an internal RMA system. Before returning goods for any reason, please contact Impulse Embedded Limited (returns@impulse-embedded.co.uk) to request an RMA number. Please confirm the reason for the return of the goods, providing the Serial Number, Product Code, and Impulse Embedded Limited Invoice Number (if known).

When returning goods, please ensure they are suitably packed so as to avoid damage, are in the original packaging, along with all accessories, with the outer packaging marked with the RMA number. It is recommended that you use a signed delivery service, as goods lost in transit are not the responsibility of Impulse Embedded Limited.

Please do not write the RMA number on the goods or on the original packaging. Impulse Embedded Limited may refuse returned goods and return them if they arrive without an RMA number, or not in the original packaging.

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Moxa 20 Port Layer 3 Gigabit Modular Managed Ethernet Switch – Extended Wide Temperature Operation

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  • MDS-G4020-L3-4XGS-T

    20 Port Layer 3 Gigabit Modular Managed Ethernet Switch – Extended Wide Temperature Operation

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