Separator module ISTZ-1 is designed to provide intrinsically safe supply voltage (12 V), and to separate transmission line RS485 from sparkleproof circuit. Separator module ISTZ-2 provides intrinsically safe 12 V supply voltage. They are designed to be mounted in W38 cable gland sleeves welded to the casing of flameproof appliances. Separators meet the requirements of the European Directive 2014/34/UE (ATEX) for equipment in group I, category M2, and can be used in methane and coal dust explosion hazardous areas of underground mines.
Separators are produced in two different versions: