Ø 22 metallic signalling units, for explosive atmospheres Harmony XB4 ATEX D - Ø 22 mm metallic signaling units for explosive atmospheres
Certified products, conforming to the European Directive ATEX94/9/CE
Control and signalling units
» Pushbuttons and mushroom heads Ø 22 mm
» Selector switches and key switches
» Illuminated pushbuttons and pilot lights with LED
» Control stations.
A wide range of compact and robust products designed to operate in hazardous environments.
What is an explosive atmosphere?
According to the Directive, it is the mixing with air, in atmospheric conditions, of flammable substances in the form of gas, vapour, mist or dust which, in the event of combustion, spreads throughout the non burning mix.