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如果适配器是隔离型的,而且输出满足LPS; N, @, T2 E0 a/ K+ i3 K0 p X' ^( U! m
产品的PCB在V-1级或者以上,外壳材料可以是HB等级的,依据IEC/UL 60950-1 4.7.2.2:0 n) u( ^( F' ?3 f8 A" r% t
. W# Z7 B! L+ q3 K. RThe following do not require a FIRE ENCLOSURE:
9 @$ t' C) Z" l) u. c...
6 I9 z" o0 p6 |- other components in SECONDARY CIRCUITS:3 i% ~" z5 _" ~( d: O8 r/ X. U
• supplied by limited power sources complying with 2.5 and mounted on V-1
! _1 T: _7 h' F# O% wCLASS MATERIAL;. t3 k# Q; y( @1 I) O
....
2 U; n: {8 U: u) o/ S: R/ i& J/ ~! H1 C& U9 Y; j5 y
如果不满足要求,外壳的防火等级就要看Table 4E - Summary of material flammability requirements 的要求了 |
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