ATEX is an acronym for ATmosphere EXplosive. Entrelec by ABB manufactures many of their standard terminal blocks under the ATEX directives. These terminal blocks undergo rigorous testing to comply with the ATEX 95 European directive 94/9/EC for use in the mining and surface industries that may experience potentially explosive conditions. Under this directive, the ATEX terminal block is categorized as a "Component".
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A complete cross reference of Entrelec by ABB standard terminal block to ATEX terminal block is available for customer convenience.