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Subject: Aquarium- and table fountain pumps with PVC power cord! \4 R" ?9 d1 L- \
Reference:
4 h* {: J% H" T# I' NStandard, section " I; j, c$ ?- S: ]" v' ]8 ?
law, directive EN 60335-2-41
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5 H$ G* j. Y- P# K" r @$ F
. b- @, L$ Q3 u8 n9 dQuestion: For those pumps no special cables are required in EN 60335-2-2 B* {" \# C0 ]- F' `0 o+ X w
41. Can therefore PVC cables be used as listed in EN 60335-1, ! K3 l+ J U/ X3 N' z* @
clause 25.7 e.g. H03VV-F (60227 IEC 52) or H05VV-F (60227 & r$ G' W9 v8 j5 d X
IEC 53)?
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Proposal of % J* }9 K+ n/ ^
solution: For aquarium pumps and table fountain pumps PVC cords with $ a& G+ Y5 ~0 f# N1 n9 D
properties at least equal to H03VV-F (60227 IEC 52) or H05VV F
; b! e, S2 g9 I! i4 c0 E(60227 IEC 53), may be used, for which the proof of permanent 0 d6 C. o7 V# N% I
water resistance according to DIN EN 50525-2-21 Appendix D ' h* ?4 c5 d* N+ p5 X6 M7 _
and E was performed. As requirement of the mechanical
* N. K/ r8 W4 Q- Y# \1 S ]properties of the values for the tensile strength and elongation at ( l' e) j$ u5 z+ E$ M2 }( {5 B
break according to DIN EN 50363-4-1 shall be used. As a ' g+ G: A( B) X5 H
reference for water immersion, the values are used in Table 2 + P8 `0 m: Y6 W* {" s4 ^+ W) c: G' G* }
(compound TM2) "After aging in air oven."
6 Z& M4 e& {7 e( u4 U* G }# sThus, the decision EK1 561-13 is replaced ) C, y: `( m! C- f# `3 [
0 @+ [# X: q7 c2 ] m2 z5 }* [- v* @5 S# U* A1 Q
Reason: Neither in H03VV-F (60227 IEC 52), nor in H05VV-F (60227 IEC
, T/ }% L8 a! I3 K5 W* {53) appropriate requirements for permanent water-resistance are
6 t9 D6 D7 i0 ecurrently defined: Despite the many years use of PVC cables in
: Q& u. G! e( l6 W4 T/ h% Esuch pumps no safety problems have been known. The AK
4 N2 {4 x' E5 O x9 f2 D, l- Q8 }, u511.11.6. has determined to apply the test methods described in 1 E1 i! ^1 c. D: T" z
DIN EN 50525-2-21:2012-01 Appendix D and E, as evidence of
7 ^+ x3 p3 O7 E npermanent water resistance of the connecting cables of 6 o& \. b$ _$ p! ]0 I/ o$ p
aquariums and indoor fountain pumps. 4 w( J7 @0 H0 o0 v
. @; {. [1 {2 W6 Q2 o9 G( x! V
Decision Proposal of solution is accepted 2014-04-15. ' q* t6 n" @) Y; O C
For implement the category C according to AD 06 is ' t$ h5 S# M& O! S
essential.
9 @: `) H7 j p1 U& a* G/ e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。8 f; ]2 _$ c% |) ~. \
未能一一描述祥尽,跟贴补充……. V: v4 R- K7 b ^3 z
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