Relcom update on the MTL FOUNDATION™ Fieldbus portfolio
On 12 June 2026, Eaton has completed the acquisition of the intellectual property and manufacturing capability for the MTL FOUNDATION™ Fieldbus, Asi bus and Ethernet-APL portfolio from Relcom Inc.
For all enquiries related to the acquired FOUNDATION™ Fieldbus portfolio, please contact Eaton directly:
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Commercial support: emeasaleschlu@eaton.com
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Technical support: mtltechsupport@eaton.com
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Product line support: niazahmed@eaton.com
Please note that some of Relcom’s non-FOUNDATION™ Fieldbus products are not included in this acquisition and will be discontinued as Relcom concludes its operations.
RELCOM HAS CONCLUDED OPERATIONS AND THIS WEBSITE WILL CEASE BEFORE THE END OF 2026
ETHERNET-APL PRODUCTS


Relcom makes two products that facilitate connection of a PC or laptop to an Ethernet-APL Field Device. Common features are:
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Provides power to the Ethernet-APL device
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Short-circuit protected
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Protocol independent
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No Ethernet-APL Power Switch or Field Switch required
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Portable - can be used in the field
Key differences between the A111 and the A112 are:
A111:
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Uses an RJ45 Ethernet connection
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Supplied with a wall transformer for power
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Can be used as an Ethernet Extender (2 required)
A112:
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Uses a USB-C connection to the PC
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Powered from the USB
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Highly portable
Model
Description
A111
Ethernet-APL Adapter
A112
USB to Ethernet-APL Adapter
Datasheet
Installation Instructions
Datasheet
User Manual
