The switch box is made of plastic . The actuation part is made of brass turned nickel plated.
The contatcs are made in bronze silver plated, and are Self-cleaning in order to guarantee a safe and durable life.
We tested the parts for mare than 20.000 cycle of  actuations.
This switch has a solid structure and makes it ideal for the most demanding applications.

The product is supplied with a two nuts and one washer