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sunny.yang 发表于 2019-6-25 16:20
4 p L1 m0 p2 f# V, f$ V1 s这里不是说V-1 可以吗
0 a) y; r" N: G2 s9 Gcomply with the following flammability requirements: p( {5 b( k: O
requirements of the re ... ' l8 B* N; A( e! i& \7 q0 ]# A h l! j
V-1是有前提条件的。距离需要满足。7 y0 Q( r6 Z; k3 A8 \9 k/ |
6.4.8.4 Separation of a PIS from a fire enclosure and a fire barrier
1 S# m& Y1 T" M" A! XA fire enclosure or fire barrier made of combustible material shall:
, b G1 d" P: D; G– have a minimum distance of 13 mm to an arcing PIS; and8 ~% l8 Y( \2 r5 C2 Y: J8 y4 j
– have a minimum distance of 5 mm to a resistive PIS.
- Y# ?) E# j! X0 z2 zSmaller distances are allowed provided that the part of the fire enclosure or fire barrier within/ b& q5 {6 j3 y0 @7 L
the required separation distance complies with one of the following:
7 L0 D- T. z. Y8 t9 F– the fire enclosure or fire barrier meets the needle-flame test according to
' C4 J$ i; q/ [. |) |, BIEC 60695-11-5. Severities are identified in Clause S.2. After the test, the fire enclosure
8 O8 [1 x# [- W0 Y( Por fire barrier material shall not have formed any holes that are bigger than allowed in
" x* |: j' R& {6 R6.4.8.3.3 or 6.4.8.3.4 as appropriate; or
& \3 c: L" M% Z; @( R– the fire enclosure or fire barrier is made of V-0 class material. |
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