Computing
Displays
Networking
DAQ & Control
Solutions
About Us
EN 50155 8-port Managed M12 Ethernet Switch – 8x Fast Ethernet – Turbo Ring/Chain – dual 24–110 VDC – IP54 – -40 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.
The TN-5508A Series is a family of EN 50155-compliant, managed Fast Ethernet switches designed for railway environments where secure, vibration-resistant networking is crucial. Each unit includes 8x M12 D-coded Fast Ethernet ports, housed in a robust IP54 enclosure suitable for rolling stock and wayside installations.
Powered by dual isolated 24–110 VDC redundant inputs, the switch provides resilience against power feed interruptions. It operates across a temperature range of -40 to 75°C, certified to EN 50155, EN 50121-4, IEC 60571, IEC 61373, and EN 45545-2 fire safety standards. Conformal-coated models add protection against moisture and corrosion, extending reliability in harsh environments.
High availability is ensured with Turbo Ring and Turbo Chain (<20 ms recovery at 250 switches), supported by RSTP and MSTP for multi-vendor integration. Industrial protocols such as EtherNet/IP, PROFINET, and Modbus TCP allow seamless integration with signalling and control systems.
Cybersecurity and management include IEEE 802.1X, RADIUS, TACACS+, SNMPv3, SSH, HTTPS, ACLs, and bandwidth management. Traffic optimisation features include VLANs, QoS, IGMP snooping, and LACP.
With its wide range of certifications, redundant power design, and resilient redundancy, the TN-5508A Series provides reliable and secure Fast Ethernet connectivity for rolling stock and rail infrastructure.
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 8 Port Wide Temperature EN 50155 Rail Certified Managed Ethernet Switch
Please complete the details below to receive your quote
Select the products of this series that you wish to request quantity or project pricing, or lead time information for:
TN-5508A-WV-CT-T
8 Port Wide Temperature EN 50155 Rail Certified Managed Ethernet Switch – M12 Connectors – 24V to 110V DC 2x Input – Conformal Coating
TN-5508A-WV-T
8 Port Wide Temperature EN 50155 Rail Certified Managed Ethernet Switch – M12 Connectors – 24V to 110V DC 2x Input
A customer in the nuclear sector wished to replace the rack computers at heart of their control system, as critical system components had gone out of support. The control system itself forms part of an essential cog in the nuclear supply chain, and is deployed in numerous locations around the world.