First, the design purposes: 
 Mainly applies to the weight or width is too large sunroof open and point-glass curtain wall windows electric control; 
 2, the installation uses dual fixed fulcrum and push the point, the span is too large skylight has a higher degree of control, which can effectively avoid the damage of storm windows blown lift; 
 3, the main body of the machine seals the best and more suitable for wet or dust larger occasions; 
 4, Dual-off point, on the edge of the skylight has a better seal; 

 Second, technical parameters: 
 1, the use of power: AC220V/0.1A, DC24V/0.5A 
 Power rating: 20W 
 3, the push and pull force: 800N, 1000N 
 4, speed: 10mm / S 
 5, protection: IP65 
 6, travel specifications: 400mm. 
 7, the travel protection: electronic over load mode 
 8, span size: 500mm. 
 Window machine www.chinajjsd.com