
ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - SPECIFICATION FOR INTRINSICALLY SAFE ELECTRICAL SYSTEMS 'I'
出版:British Standards Institution

專家解讀視頻
Describes construction and testing of intrinsically safe electrical systems, protection 'i', for use in potentially explosive atmospheres. Does not replace installation requirements for intrinsically safe electrical apparatus, for associated electrical apparatus and for intrinsically safe electrical systems.
NFC 23 539 : 1981 - Identical
EN 50039 : 1980 - Identical
NFC 23 539 : 1981 - Identical