ABB identifies TB853 as an RCU Control Link Terminator for the AC 800M communication-bus accessory range within System 800xA.
RCU Control Link Terminator
TB853 3BSE057022R1 terminates the RCU Control Link in ABB AC 800M hardware configurations.
TB852 and TB853 are not the same accessory: ABB lists TB852 for the RCU Link and TB853 for the RCU Control Link. Confirm the complete system configuration before replacement.
Source: ABB Ability System 800xA 6.2 Product Catalog, AC 800M Processor Units — Communication Bus Accessories.
Manufacturer documentation for ABB Ability System 800xA and AC 800M communication bus accessories.
ABB lists TB853 3BSE057022R1 in the AC 800M Communication Bus Accessories section as the RCU Control Link Terminator.
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Technical statements on this product page are limited to publicly available ABB manufacturer documentation. No third-party product sources were used.
ABB → System 800xA → AC 800M → Communication Bus Accessories → TB853.
TB853 3BSE057022R1 is the RCU Control Link Terminator listed by ABB for AC 800M communication bus accessory configurations within System 800xA.
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