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sunny.yang 发表于 2019-6-25 16:20
1 ^% A) ~- P3 q4 x这里不是说V-1 可以吗
2 V5 b. ? s+ Q7 K) @: ccomply with the following flammability requirements:7 s1 @- S) S6 m) G- k
requirements of the re ...
( I" A }& n& \: n, wV-1是有前提条件的。距离需要满足。6 o& ?, ?' @ W. Z( ^
6.4.8.4 Separation of a PIS from a fire enclosure and a fire barrier3 f0 w0 {& r% `5 l) A" T
A fire enclosure or fire barrier made of combustible material shall:
9 m5 @2 s `% f) y– have a minimum distance of 13 mm to an arcing PIS; and
6 Y6 P# H7 u, {$ E# l9 S! I! j# q y9 f– have a minimum distance of 5 mm to a resistive PIS.
3 S! y# C7 {0 q XSmaller distances are allowed provided that the part of the fire enclosure or fire barrier within7 G2 T! E/ `8 ~" W* E
the required separation distance complies with one of the following:
3 k! O+ ?! z/ t4 @– the fire enclosure or fire barrier meets the needle-flame test according to
& E3 b# O& q+ u2 `IEC 60695-11-5. Severities are identified in Clause S.2. After the test, the fire enclosure: _8 c; V. x8 B3 R) g+ t
or fire barrier material shall not have formed any holes that are bigger than allowed in) ~. Z& L" F9 t! m+ S$ F. w$ ?
6.4.8.3.3 or 6.4.8.3.4 as appropriate; or6 u& m7 G1 M7 m* v) z+ b1 Y5 o
– the fire enclosure or fire barrier is made of V-0 class material. |
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