BS 5501-7(1977) : 1977被替代
ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INTRINSIC SAFETY 'I'
出版：British Standards Institution
专家解读视频
Describes construction and testing of intrinsically safe electrical apparatus, protection 'i', for use in potentially explosive atmospheres and covers, electrical apparatus, delay times, plastics and light alloy enclosures, access to uninsulated live parts, special fasteners, interlocking devices, bushings, materials used for cementing, connections, terminal compartments, cable and conduit entries, specific electrical apparatus, impact tests, rubbing parts, torque tests for bushings and thermal tests and Insulation resistance. Applies also to apparatus located outside the potentially explosive atmosphere or protected differently.
NFC 23 520 : 98 PR - Identical
EN 50020 : 2002 - Corresponds
NFC 23 520 : 98 PR - Identical
IEC 60079-11 : 6.0 - Similar to
