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Ventilation switch SBT-VENT is a service switch for operating windows for natural ventilation. The push buttons can be locked with a key, preventing unauthorised use of the switch.The metal housing measures 125x125x40mm, is powder coated in RAL9010 and features a ventilation symbol...

Key switch ST is a 1-pole switch that can be connected directly to the ventilation input of control units. In this way, one or more ventilation groups (consisting of windows, flaps and / or shutters) can be operated by a key.The STP is suitable for single-pole SHE and ventilation systems and is equi..