ip66 waterproof pushbutton switch 1.easy to set up 2.voltage:24-380V 3.contact type:NO,color:transparent 4.CE, ... , marine, textile, printing, miningindustrial equipment , and etc 3. Working EnvironmentOperational voltage:≤380V AC or ≤220V DCAmbient air temperature -25°c~ +40 ... light,self-lock,self reset,convex,waterproof... ip66 waterproof pushbutton switch XB4-BP21,spring return