Door Sensor

Technical parameters of door sensor:
1.Switches:Normally Closed,Normally Open,Chang Over
2.Contact power of door sensor:10W,3W,3W
3.Current of switches:0.5A,0.2A,0.2A
4.Beginning voltage:100V,30V,30V
5.Initial resistance: 200
6.Action distance: 60-70mm
Specifications of door sensor:
Qty./ctn:12                
Carton Size:375X295X300 mm    
Qty./Container:20ft-51000pcs/40ft-102000pcs