Rack drive, actuator DOPPEL-RACK 550, without motor, stroke 550 mm, colour silver anodised, for bigger windows only in combination with RACK 550 (art. no 40213V or 40227F depending on supply voltage), also required upper bracket (art. no 40234E) and connecting shaft 1000 mm long, (order number 40231B) for mechanic coupling to window) rack actuator.
Slave actuator for big windows and dome lights.

Possible to mount a parallel connection of several actuators at one window or light dome. 
Please order bracket separatly.