Gearbox 3:1 Grey 12mm dia trunnion
In = 12mm (R) Out = 7mm (Sq)
12 mm shaft, middle of the gear box to bottom of the shaft = 71 mm
The small powerhouse with maximum performance with minimal transmission dimensions. The built-in brake spring ensures jerk-free lowering of the curtains and provides safe self-locking. The worm gear is particularly suitable for driving roller shutters, fabric hangings and small awnings.