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28-port managed switch – 24x 10/100 Mbps + 4x combo Gigabit RJ-45/SFP – single 110/220 VDC/VAC HV input – IP30 DIN-rail – -40°C to +75°C operation
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.
Ideal for critical infrastructure under extreme temperature conditions, the EDS-528E-4GTXSFP-HV-T brings together HV input support (110/220 VDC/VAC) and a -40 to +75°C operating range, enabling stable deployment in substations, energy grids, and harsh outdoor installations.
Like its siblings, this 28-port managed switch combines 4 GbE uplinks with 24 Fast Ethernet ports, optimised for large-scale automation systems. Its Layer 2 feature set includes Turbo Ring/Chain, RSTP/MSTP, MRP, IGMP, and advanced VLAN/quality of service controls.
Security protocols include 802.1X, SNMPv3, SSH, HTTPS, and MAC-based access controls, while device management is supported via USB, web UI, CLI, and ABC-02-USB for configuration backup.
Delivery & Returns
We offer a range of delivery options to suit your needs.
UK Mainland
Northern Ireland & Highlands
Ireland
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.
Moxa 28 Port Power Rail Certified Managed Ethernet Switch 110V to 220V AC/DC Input Extended Wide Temperature Operation
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EDS-528E-4GTXSFP-HV-T
28 Port Power Rail Certified Managed Ethernet Switch 110V to 220V AC/DC Input Extended Wide Temperature Operation
Our customer is a tier one system integrator in the substation automation market with many of the worlds TSOs and DSOs listed as their clients. They required a number of custom designed rack-mount LCDsfor use in their HV substation projects.