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OSM决议内容:1 J6 X6 `5 N+ C# f/ ?) @
Standard:
# k5 s W+ |! z2 H$ O5 ?EN 60335-2-30:1997& l& k8 _/ I! ?
Sub clause: 25.7
4 Z' s. e0 S. @9 l8 b0 C; [Sheet n. OSM/HA 314
* B2 L6 n, y4 ~& m7 @3 ^- aSubject: Detachable supply cords
7 o+ B6 z" h/ i: ]! A0 P8 X6 |5 F3 ~Key words: PVC supply cable! ]/ a4 r- @+ @ C' K1 p8 e/ W. C2 k
Decision taken at the 16th meeting 2002: X5 g1 i% a+ Y" K6 Y1 C, N, ^
Question: According to EN 60335-1:94, sub-clause 25.7, PVC insulated cords shall not
Q! G7 {3 g8 B3 s4 W8 `be used for appliances where the temperature rise of external parts exceeds 75 K7 ]. g5 O) G n
during the test of clause 11, unless the appliance is constructed so that the supply cord o, e% ~3 w- d' _. t& ]# v
is not likely to touch such metal parts in normal use.$ f7 g5 R" i2 w( J& q/ U; y
According to table 101 of 60335-2-30, a temperature rise of 85 K on surfaces and 130 K2 O) [9 v& [8 `$ c; B& ?
on air-outlet grilles is allowed.1 s k, y; w- F, M3 z$ p
Taking into account the above considerations, is a PVC cable allowed for wall-mounted& k' o1 w7 W0 n+ J- q9 y
heaters if the the rear part of the enclosure is over 75 K?
! ~* l2 w, z9 G% A7 b$ |1 |Decision: No, it is not allowed.0 S$ W- n2 n& |8 j- N& ^
Explanatory notes: CLC/TC 61 confirmed (May 2002) |
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