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sunny.yang 发表于 2019-6-25 16:205 d1 G6 u3 g+ s J
这里不是说V-1 可以吗0 S2 c$ i' ~/ H, C J
comply with the following flammability requirements:
) ~7 d# T& d: N7 s/ F, _0 p' d- Jrequirements of the re ...
, E+ W9 E( f: n0 w; C. B: z& TV-1是有前提条件的。距离需要满足。6 o3 `8 |; R: `) ~8 Y5 ~
6.4.8.4 Separation of a PIS from a fire enclosure and a fire barrier
0 ?2 s6 F6 k2 E# O5 H7 @A fire enclosure or fire barrier made of combustible material shall:
m7 Z% ]7 k; H– have a minimum distance of 13 mm to an arcing PIS; and
* m5 J( @) i% K% K7 v! x– have a minimum distance of 5 mm to a resistive PIS.
+ J4 g+ O& j; I2 h: n7 D& ^Smaller distances are allowed provided that the part of the fire enclosure or fire barrier within! Q, a, M- T8 \$ d9 K K
the required separation distance complies with one of the following:
( H6 n% y3 T5 f, M# F– the fire enclosure or fire barrier meets the needle-flame test according to
8 O* `1 |6 h1 EIEC 60695-11-5. Severities are identified in Clause S.2. After the test, the fire enclosure
/ w. J2 z o& j. @, |8 `or fire barrier material shall not have formed any holes that are bigger than allowed in
_$ ^1 ] ?2 t9 _: F9 `7 B6.4.8.3.3 or 6.4.8.3.4 as appropriate; or
9 O7 g q. _! k, m6 d: `– the fire enclosure or fire barrier is made of V-0 class material. |
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