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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.
AS-i MEGABLOCKS

These wiring blocks for the Actuator Sensor Interface (AS-i) network are specifically designed to meet the special needs of the process industries.
AS-i Megablocks are intended for applications where conventional wiring is used in place of flat AS-i cable or pre-molded cord sets.
Like our Fieldbus Megablocks, these blocks offer our patented SpurGuard™ short circuit protection to maximize network availability.
The AS-i Megablocks are used to interconnect multiple AS-i slaves. They are not AS-i slaves.
Model
Description
A101, A103
4, 8 Port AS-i Megablocks
Datasheet
Instructions
FM Certificate
ATEX Cat3 Certificate
DXF Drawings
