KA 54 KA Series Chain drives For Commercial And Public Buildings

Can be used for openings for smoke ventilation; D+H Euro SHEV in accordance with EN 12101?2; and for daily natural ventilation With motor electronics controlled via microprocessor High?speed function (HS) for especially fast opening windows in case of fire (SHEV) Special chain stabilisation Pressure applications up to 600 mm, application tension stroke lengths >1000 mm possible 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)

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