Performance features
» Can be used for openings for smoke exhaust; D+H Euro SHEV in
   accordance with EN 12101‑2; and for daily ventilation
» With integrated BSY+ motor and synchronised electronics controlled via
   microprocessor
» High‑speed function (HS) for especially fast opening windows in case of
   fire (SHEV)
» Option of up to 8 drives in one synchronous group
» Supply and signals at KA 34‑BSY+ for up to 3 drives can be looped in
   series
» Special chain stabilisation
» Relief of pressure on window gasket after closing process
» Programmable drive functions and different drive parameters
» Running speed in CLOSED direction decreases to 5 mm/s (passive closing
   edge protection)
» Time‑controlled reversing when an obstacle is detected in the CLOSED
   direction (active closing edge protection)