Shaft communication system intrinsically safe – SLS is designed to organize local telephone communication in mine shafts where there is a danger of explosion of methane and / or coal dust at any concentration. The system allows the driver to easily communicate with the different levels and mutual understanding between subscribers on different levels.

SLS shaft communication system is approved WUG – a sign of approval GX-50/10.

The individual components of the SLS system, affecting are certified intrinsically safe ATEX authorizing for use in underground mines in hazardous areas (I M1)