|
sunny.yang 发表于 2019-6-25 16:20
; N6 g- i! \& q2 b0 Y- D这里不是说V-1 可以吗
# l8 S( t# f3 x9 H) p; i% Dcomply with the following flammability requirements:
I1 g- ^, @1 b8 J0 lrequirements of the re ... " A! x9 ~% u' I7 Q( q& [& K1 \
V-1是有前提条件的。距离需要满足。5 Y% v* V, @+ {% P; A
6.4.8.4 Separation of a PIS from a fire enclosure and a fire barrier& }" O4 _" C7 O: s2 y2 `! f
A fire enclosure or fire barrier made of combustible material shall:
( _, U$ D7 X1 e) F$ n5 j9 Z– have a minimum distance of 13 mm to an arcing PIS; and9 C# o8 x( t9 @) T- J) ^$ k7 S
– have a minimum distance of 5 mm to a resistive PIS.( l& @1 O4 }# Y) n) L
Smaller distances are allowed provided that the part of the fire enclosure or fire barrier within
3 a& h) L5 U7 _3 ^, Ythe required separation distance complies with one of the following:
& K; t- z: u7 W8 q7 ?) B1 }– the fire enclosure or fire barrier meets the needle-flame test according to7 m% e' J* [% P0 N9 o, |8 F
IEC 60695-11-5. Severities are identified in Clause S.2. After the test, the fire enclosure! o6 \: L1 k5 _) k
or fire barrier material shall not have formed any holes that are bigger than allowed in& A4 U2 M0 A, h% S* W) t) X
6.4.8.3.3 or 6.4.8.3.4 as appropriate; or
' c6 g e) i# P A$ F, x– the fire enclosure or fire barrier is made of V-0 class material. |
|