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Inside FIRE ENCLOSURES, materials for components and other parts, (including MECHANICAL8 A! P/ q& N5 Z* P9 S" C# M
ENCLOSURES and ELECTRICAL ENCLOSURES located inside FIRE ENCLOSURES), shall comply with
, b. `) L+ K$ S1 L9 r, ~/ none of the following:
; H! b+ h1 x3 _- C1 E# f− be of V-2 CLASS MATERIAL or HF-2 CLASS FOAMED MATERIAL; or
8 `# Z# x# E" D2 R− pass the flammability test described in Clause A.2; or6 s5 B6 k0 a! l, L: W3 k, t% I
− meet the flammability requirements of a relevant IEC component standard that includes
! v' R( e5 f( n3 F9 Qsuch requirements.% O9 ^( t" ?; I* \7 }
Class I,三選一。Class III, adapter with LPS, 看4.7.2.2就可以了吧 |
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