KA 66-TW KA Series Chain drives (Twin)

Can be used for openings for smoke ventilation; D+H Euro SHEV in accordance with EN 12101?2; and for daily natural ventilation With BSY+ motor and synchronised electronics controlled via microprocessor High?speed function (HS) for especially fast opening windows in case of fire (SHEV) 2 drive chains for optimal power application to the sash Special chain stabilisation Relief of pressure on window gasket after closing process Electronic force and position control 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)

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