|
| DSH 499
+ m" U# U$ ~" X) o8 y7 R* k8 E$ s8 d9 }3 b& s6 N9 P
| Creepage distances, clearances and distances through insulation) i2 x b6 L0 v7 p$ [# ^: I: j$ z
| 29.2.2
/ _4 g! b0 e z0 S. P | 60335-1(ed.3)- F# i2 A1 m- L# E7 e
|
$ R* k. E0 k" [* A2 k1 \Standard: IEC 60335-1:1991, 3rd Ed.
% Q8 k6 B( S# f2 L, P7 u, ESub clause: 29.2.20 q& @4 B9 a6 k
Sheet No. DSH-499
9 n U; Y2 B6 }+ ]Subject: Creepage distances, clearances and distances though insulation
) g7 L% o+ C3 O5 D ~4 BKey words: - thin sheet of insulating material
$ M, e$ @7 G2 V) HDecision taken at 40th CTL meeting.5 b$ U% G) a- E6 \ ~- T; I; I
Question:
; I H! \( _2 }Is one thin sheet of insulating material on the inside of accessible metal acceptable as reinforced insulation?5 m/ H8 m% x- P$ w
Rationale:
3 |, t+ y& J( k& |5 SSee question.6 X4 J! | U" w, i4 v
Decision:
' R4 n( s( B3 f m! F# tIt is acceptable based on the standard.
8 w( }; \* t% d/ M& n( }: h! e
+ ^+ |) N, M; s
, E2 X: l3 U( Q: @$ u) ^: F# o |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有账号?注册安规
x
|