Heavy Window Opener 

Technical characteristics:

The chain with electronic control heavy overload protection device is made of high quality steel, which is suitable for opening various heavy windows. It also has small size, And it is available for Built-in and more quiet working or living environment;

The technical parameters:

1, The working voltage: DC30V

2, Rated Power: 50W

3, The push and pull force: 700N

4, Speed: 5mm / S

5, Material: 304 and aluminum alloy

Some drawings: