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Hazardous Area Isolators
ATEX Isolators - Zone 22 Category 3D Isolators
Craig & Derricott - 25A 3P+2EB Aux - Atex Certified, Zone 22, Hazardous Area Isolators - DGM253EBZ22
The addition of ‘EB’ to the catalogue numbers denotes the inclusion of 2 early break contacts, factory fitted to the isolator interior. Form 2 auxiliary contacts are fully rated and are designed to open before the main contacts when switching ‘Off’. By definition the contacts would be late make when switching ‘On’.
Hazardous area Zone 22 is defined as : - "a place in which an explosive atmosphere, in the form of a cloud of combustible dust in air, is not likely to occur in normal operation but, if it does occur, will persist for a short period only" i.e. less than 10 hours / year.
Craig & Derricott ATEX certified isolators and switch disconnectors for hazardous area Group II, Zone 22, Cat 3D Non-Conductive Dusts - typical installation areas include grain mills, textiles, cargo handling, powder coating plant, chemicals, woodworking and waste processing.
Enclosure Size: (Size A) - 110mm(W) x 110mm(L) x 90mm(H)
ATEX Isolators Hazardous Area Zone 22 (Cat 3D) Isolators - 25A 3P + 2 EB AUX