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|  DSH 723. I0 b3 j9 ]: C/ f( z* }
5 }' f+ u* ^, T8 ?( U( t! B1 a
| Components' {& y, A, T' v0 ]' z# c. h
| 24.102.2
+ O# Z3 y% r* ?0 _ ] | 60335-2-21(ed.5)
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) q+ n ^; K' W/ _% B3 YQuestion:
, [7 n& O7 q2 P; y& hIn IEC 60335-2-21:2002 / A1:2004 the last paragraph states:
8 [$ r6 n9 i' Z0 oThe thermal cut-out shall operate before its temperature exceeds 110 °C. The water temperature shall not exceed by more than 20 °K the maximum permitted operating temperature of the thermal cut-out.; i6 D# |) q9 J* G; ?* d
Considering the above statement, which is the maximum temperature of the water to be measured:
: G& [% h8 X' @7 d8 za) 130 °K(110 °K+ 20 °K) or9 K2 w; M( L+ `8 M* N$ b0 K
b) Maximum measured operating temperature of the thermal cut-out during test +20 °K?
9 m5 H6 q1 F* q" H$ uDecision:
) o2 [$ r9 B5 o( T5 Q% OThe correct interpretation is 130 °C. (option a); a9 |( J7 p7 a, n, k
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发表于 2012-9-8 11:42
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