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The VS1/O/W ventilation switch is a simple surface-mounted switch that can be used to control, for example, automated rooflights and windows which are equipped with 230Volt AC actuators.Features:Single-pole rocker switch 2 push buttons with printed arrows With reversing lock (buttons can..

The single-pole ventilation pushbutton DT/AP/W is a water-resistant (IP44) manual release for ventilation purposes. It is suitable for surface mounting and is equipped with two rocker switches "open" / "closed" and has two NO contacts, which do lock each other...