Metal(Alloy-Zn) Heavy Duty Door Contact PY-C55ZL  

Technical Parameters:

Heavy Duty Overhead Door Contact
Magnetic switch designed for tough, rush traffic and outdoor installations
Magnet side with aluminum L-bracket
Switch enclosed in a solid Aluminum housing 
Dimension:    106*38*10mm (switch)        106*16*16mm(magnet)        105*50*50mm*2 ( L type)
Housing:    Metal(Alloy-Zn ),grey
Gap:     50-70mm, 60-70mm available
Output:   N.C.  N.O. & Changeover available
Leads:  1007UL22AWG530mm, with 380mm stainless steel cable 
Package:   
Inner packing:  1set/bag ,each part packed individually         
Outer packing:  60sets/carton  (ctn size: 37.5*29.5*30CM)
Gross Weight:  17.80KG
Remarks:  6 screws included