ip66 waterproof pushbutton switch 1.easy to set up 2.voltage:24-380V 3. ... : IP40. IP65 Waterproof type as requestContact resistance:≤50mΩMechanica durability:momentary 1000,000 maintained:250.000Electrical durability:500,0004.Packing 1pc ... light,self-lock,self reset,convex,waterproof... ip66 waterproof pushbutton switch XB4-BP21,spring return