The switch contacts are made of high quality silver alloy material,which have a good performance against electric arc and melt weld.The on-off operations exceed40000 times.
The socket are made of phosphor bronze, which have the character of good electrical conductivity and lasting elasticity .
The panel is made of environmentally friendly PC flame retardant material,which is not easy to change color, has high safety performance,high temperature resistance and long service life.