DSH 304 Protection against Electric Shock, Table D 18

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DSH 304 5 ?- g7 y9 V# _% ]" q

Protection against Electric Shock, Table D 18

6.7 % z  s7 ^3 v0 W

61010-1(ed.1);am1;am2

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Standard:
5 v* n) }5 K0 e0 |IEC 61010-
1:1990+A1:1992+A2:1995
Sub clause:
6.7
) z( g* [5 N  l. v1 p( iSheet n. 304
3 `: z. I& [8 E: g, s: _Page 1(1)
Subject:
: z9 q9 B  a0 O1 M6 @( KProtection against electric shock,
& f: ~# t) {; q. C$ y- o) _Table D18
Key words:
Creepage
( ~/ e. T% G/ ?" ]Decision taken by
# J' B$ p# U2 ~4 p4 P3 cETF3 and confirmed
0 T0 n4 N2 F7 F, ?by CTL at its 38th
, g$ T; B! L4 k7 B" o* h/ X% Bmeeting, in Toronto
8 c" R1 `' x% w- fQuestion:
What creepages apply when voltages in excess of 1000V are present on printed wiring
boards?
4 U+ g( {" Z& ]4 nDecision:
Use the following columns:
7 u3 x$ {* W. KFor pollution degree 1 use “Other material”
- D' x( d% t+ Y: a4 @. f! r: |For pollution degree 2 use CTI>600
) L* o) l# A5 y8 _Explanation:
IEC 60664 Fig. 1 gives the source of these distances and shows that the values are as given
& j& }9 F6 i) Y  v! G+ v; p, I% sabove.
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2 t* A5 }! x$ r+ @$ D