- In areas where there is a risk of explosion, protective measures are absolutely necessary when operating mechanical and electrical devices, components and protective devices so that they do not pose any risk of ignition.
In order to comply with the European and international guidelines for explosion protection, our switches for hazardous areas have a valid EU type examination certificate or are approved for use in hazardous areas with combustible dusts (category 2D and 3D) as part of our certified quality management system.
Our switches in aluminum housing are suitable for use in zones 21 and 22. The switches in thermoset housings are suitable for use in zone 22.
- The switches marked as follows:
II 2D Ex tb IIIC T90°C Db X
II 3D Ex tc IIIC T90°C Dc X