Other specialist lamps in the BioSolution offer are available in dust-proof, explosion-proof and damage/ vandal-proof options. These are characterised by their highly efficient luminosity which is in excess of 100 lm/W when their properties and capabilities are used fully with correct installation. All fixtures, as well as possessing excellent thermodynamic properties, are made of high-quality, industrial aluminium (AlMg3 EN 485-1,2,4; EN 573-3) which ensures their resistance to environmental conditions and corrosion. The current offer includes industrial luminaires with power levels between 28 W – 168 W of their nominal power. A luminaire with a power reduction of 15%, 25% and 35% of its nominal power is always an option; this extends the range of products to 20 power levels in each luminaire type series. Each luminaire, additionally, can be protected by a specially designed lightning and surge protection system.