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sunny.yang 发表于 2019-6-25 16:20
7 \* y3 x$ i# g& K: Y; C这里不是说V-1 可以吗7 k* O/ ~$ J5 Q6 |: O: l
comply with the following flammability requirements:6 t, V& F' D' L s' A6 U
requirements of the re ... 6 V, {: H) q0 j& [! P" Q$ R
V-1是有前提条件的。距离需要满足。
9 D9 F' J2 A0 C6 k v$ R" g+ b7 g& M6.4.8.4 Separation of a PIS from a fire enclosure and a fire barrier
! X' a* S4 V' o; O" G4 qA fire enclosure or fire barrier made of combustible material shall:+ Y& R0 l2 R5 A+ M
– have a minimum distance of 13 mm to an arcing PIS; and
* ^+ g& ~/ m. W2 |% p8 p8 I– have a minimum distance of 5 mm to a resistive PIS.0 r/ ~4 m# _ o8 K+ d
Smaller distances are allowed provided that the part of the fire enclosure or fire barrier within
/ h1 n2 t z Y, r) e/ Jthe required separation distance complies with one of the following:
2 z. X6 ?9 c) ]( r% k7 H8 v$ v– the fire enclosure or fire barrier meets the needle-flame test according to
; b$ M- @: y9 OIEC 60695-11-5. Severities are identified in Clause S.2. After the test, the fire enclosure' X8 n- t. l- K4 _6 |1 @
or fire barrier material shall not have formed any holes that are bigger than allowed in: P( |5 L& v; h! T7 X4 ]
6.4.8.3.3 or 6.4.8.3.4 as appropriate; or% Z4 P7 N: ~2 D( T1 q; p9 k' o4 n
– the fire enclosure or fire barrier is made of V-0 class material. |
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