rated load:0.5A 30V DC lifing:5000cycles Contact Resistance:0.03max Insulation Resistance: ... rotary switch,tact switch,keyboardswitch,dip switch and so on;2.Power sockets: a.IIEC sockets:snap-in,screw-on,socket ... with rockerswitch,Snap-in and screw-on for PCB,b.2 pin AC power socketc.3pin ac power socket/mickey ... .5.Industrial socket :German,France,British and so on 0.5A 30V DC 3.5mm SMT earphone jack