Turning and roating - in any case the opening is reliable! The new Folding Arm² for turning windows impresses with its characteristics.The Folding Arm² for turning windows EA-KL²-DF is the further development of the door opener technology for window automation. Through its smooth sliding track the turning-actuator reaches easily a huge force transmission onto the window sash - for an opening angle more than 140°. In both end positions the actuator offers the known ?F?- contact for controlling of sequence controllers. If difficult mullion sashes in older buildings or modern thin windows at bottom, top or side hung application, the EA-KL²-DF completes ideal the Folding Arm² portfolio.