The ALTSA Polarbear features high efficiency chipsets with a lifespan of up to 70 000hrs and can be widely used in oil & gas exploration, drilling, petrochemical plants, power plants, and pharmaceutical plants as fixed lighting. With a THD of less than 10%, build in surge protection, robust aluminium housing and tempered glass lens, the Altsa Polarbear is shock and vibration resistant. The ALTSA Polarbear is suitable for explosive gas environments: Group II. Can be used in Zone 1, Zone 2, Zone 22 hazardous areas