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Subject: Aquarium- and table fountain pumps with PVC power cord v; Z- {- Z/ a7 R( d4 K2 Y
Reference:
" g; m2 W8 V) G! @Standard, section
: G: P5 t0 _$ [7 ?2 n0 glaw, directive EN 60335-2-41
]) o7 i" G+ ?4 C! C: H: ?
0 ]2 R+ j% @( a4 S9 ~3 M2 A+ m
x" E; d1 Y3 l0 @9 C( P8 ^" dQuestion: For those pumps no special cables are required in EN 60335-2-4 V" @- M7 L. M- N1 E4 v
41. Can therefore PVC cables be used as listed in EN 60335-1, 2 G% f8 E8 o9 b3 U7 R0 Y
clause 25.7 e.g. H03VV-F (60227 IEC 52) or H05VV-F (60227 + k/ ]+ a8 @0 x6 U' Q; [. U
IEC 53)? ) Y4 V- L" N- Q( t8 l3 a
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Proposal of
+ n2 w' S W# T3 g* ]solution: For aquarium pumps and table fountain pumps PVC cords with ' Y$ o6 D1 X6 m& h
properties at least equal to H03VV-F (60227 IEC 52) or H05VV F
* {% x: \0 ~+ N: z" B0 V% k(60227 IEC 53), may be used, for which the proof of permanent 5 p- U( g7 P; o
water resistance according to DIN EN 50525-2-21 Appendix D + E: x; F4 \; d/ S
and E was performed. As requirement of the mechanical
% m k% A6 m/ S$ q+ zproperties of the values for the tensile strength and elongation at 6 }5 ~# E! r/ V& J( q8 X
break according to DIN EN 50363-4-1 shall be used. As a , i7 C7 b/ M1 q c6 b
reference for water immersion, the values are used in Table 2 + K& [) J/ ^, {; \
(compound TM2) "After aging in air oven."
" O, N* F# U1 A. ~/ Z ^5 @Thus, the decision EK1 561-13 is replaced
. k! }3 o; s5 ^
0 I- p3 r2 S$ ?: J( }9 X6 u- x
- ]3 V o% q& ZReason: Neither in H03VV-F (60227 IEC 52), nor in H05VV-F (60227 IEC " _5 v& C" K, T; ^/ K) E$ I$ m
53) appropriate requirements for permanent water-resistance are
$ ~$ y: ~2 N* f4 jcurrently defined: Despite the many years use of PVC cables in # ?( x3 P) U4 r6 w7 u" Q/ Y# z
such pumps no safety problems have been known. The AK ; p$ z6 t- {8 M/ z ~# Q
511.11.6. has determined to apply the test methods described in
- ^- j! C# u8 yDIN EN 50525-2-21:2012-01 Appendix D and E, as evidence of $ o! I9 \. @" s
permanent water resistance of the connecting cables of 2 p+ B9 l2 W/ ]( C
aquariums and indoor fountain pumps.
, U3 ^4 V' W; G3 ~$ L. F. ]3 D9 k r0 K+ n& l9 N4 Q5 w, b
Decision Proposal of solution is accepted 2014-04-15. * J E& L/ E# {" o+ r) @: D7 t
For implement the category C according to AD 06 is % y- w( ?+ K0 o1 Z' {% Q
essential. 7 E9 k& r- u! k- M
以上原信息复制,经google翻译未能全部转换中文,有这方面知识的朋友可否提供帮助。
9 g2 O9 x" V: u7 ^4 F( p" `- {( d未能一一描述祥尽,跟贴补充……% t% _5 @' e# A, S% c0 g
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