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sunny.yang 发表于 2019-6-25 16:20
0 b6 @' j$ W; L j这里不是说V-1 可以吗
( U+ i$ u( d! f8 u# \, @$ d; l/ scomply with the following flammability requirements:
7 p+ X* E+ B. jrequirements of the re ...
V-1是有前提条件的。距离需要满足。
" Z$ x6 c' ~3 z* j! ~6.4.8.4 Separation of a PIS from a fire enclosure and a fire barrier
8 `: u" y2 d+ I0 `. TA fire enclosure or fire barrier made of combustible material shall:: @6 e& y* C9 L) S) F6 A
– have a minimum distance of 13 mm to an arcing PIS; and8 i5 k/ p% ~ ?$ U5 }
– have a minimum distance of 5 mm to a resistive PIS.6 c" D: ?3 n) I( U- H
Smaller distances are allowed provided that the part of the fire enclosure or fire barrier within3 S3 ?- L: Q# Z% U8 u
the required separation distance complies with one of the following:
4 C D3 j$ W' u9 H: H! n( H– the fire enclosure or fire barrier meets the needle-flame test according to) D- Z7 b! a; k6 g, s
IEC 60695-11-5. Severities are identified in Clause S.2. After the test, the fire enclosure
* f6 t9 I' y W4 B+ Y/ H Xor fire barrier material shall not have formed any holes that are bigger than allowed in
, n! O ]5 l( D# X& F) |6.4.8.3.3 or 6.4.8.3.4 as appropriate; or) |' i" L: c; v; a! f
– the fire enclosure or fire barrier is made of V-0 class material. |
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