Global site

ABB's website uses cookies. By staying here you are agreeing to our use of cookies. Learn more

RCDs with automatic test

Regular tests on RCCBs must take place every six months in order to make sure that the contacts are working properly and the device is able to trip in case of a leakage to earth.

F-ATI and F-ARI residual current devices with automatic test

push the periodic test to another level as this is run automatically and with no interruption at all of the service. Therefore, also the operations carried out by maintenance personnel are reduced to the very minimum and a full array of the devices can be remotely controlled and read using the ARBus interface

In addition to the automatic test, the reclosing operations on F-ARI are based on an insulation check to make sure that no permanent fault is present.


Are you looking for support or purchase information?

Main benefits

Save time and cost

Maintenance costs are cut down as the device runs the test automatically once a month in accordance with EN 61008 provisions


Continuous operation

While running the test, no disconnection of the supply occurs, compared to traditional RCCB units

 Easy to install

The unit is factory  fitted so no coupling is required


Complete overview

Complete monitoring over the application thanks to a fault check system and a programmable aux contact


Product ranges


F-ATI range features the automatic test of the RCCB unit, every 28 days.
ARBus fits with all the devices belonging to either F-ATI and F-ARI range.


F-ARI range features not only the automatic test but also the automatic reclosing in case of non permanent fault to earth. It recloses the circuit as soon as the insulation check provides a positive outcome.

Products and documentation

Product browser
Loading documents