iO Masters are the local controllers that complement the Hub: they manage groups of devices in a specific zone of the home (a floor, a wing, an outdoor area), reducing dependence on the central Hub and improving response speed. Useful for medium-sized installations where multiple control zones need autonomy.
90 products

21000121-098
Master dimmer switch 230 V~ matt black Simon 270
Simon 270

21000133-090
Simon iO master blinds switch white Simon 270
Simon 270

21000133-091
Simon iO master blinds switch copper Simon 270
Simon 270

21000133-093
Simon iO master blinds switch aluminium Simon 270
Simon 270

21000133-094
Simon iO master blinds switch champagne Simon 270
Simon 270

21000133-095
Simon iO master blinds switch gold Simon 270
Simon 270

21000133-097
Simon iO master blinds switch bronze Simon 270
Simon 270

21000133-098
Simon iO master blinds switch matt black Simon 270
Simon 270

21021035-091
Simon iO master keypad 2 functions for creating experiences copper Simon 270
Simon 270

10010117-039
Back kit for 1 element with 2 Simon iO master switches Simon 100
Simon 100

21000121-190
Master dimmer switch 230 V~ matt white Simon 270
Simon 270

21040035-190
Simon iO master keypad 4 functions for creating experiences matt white Simon 270
Simon 270

21021035-190
Simon iO master keypad 2 functions for creating experiences matt white Simon 270
Simon 270

21000133-190
Simon iO master blinds switch matt white Simon 270
Simon 270

21001121-190
Master dimmer switch 230 V~ with slender rocker matt white Simon 270
Simon 270

21001133-190
Simon iO master blinds switch with slender rocker matt white Simon 270
Simon 270

21010036-190
Simon iO 2-way master switch 230V~ with screw terminal connection system matt white Simon 270
Simon 270

21011036-190
Simon iO 2-way master switch 230V~ with slender rocker and screw terminal connection system matt white Simon 270
Simon 270
73-90 of 90 results
FAQ
iO Masters decentralise the intelligence of the Smart Home system: instead of the central Hub managing every device in the home, each Master manages those in its zone and only consults the Hub when needed. Result: lower latency on everyday actions (turning on a light responds immediately), greater robustness against Hub or Wi-Fi outages and better scalability for large installations.
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