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Subject: Aquarium- and table fountain pumps with PVC power cord" ]. {( {! j8 ~
Reference: 0 H( J& v1 w5 N( ^' a F t2 B+ ]
Standard, section
1 Y* c) E5 q/ X3 }. R0 d- _/ P: h& a- Z5 jlaw, directive EN 60335-2-41
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5 i1 G' z A9 I0 ~1 w! pQuestion: For those pumps no special cables are required in EN 60335-2-' h0 I# A# l! u( W9 p
41. Can therefore PVC cables be used as listed in EN 60335-1, 6 s, `: T% |8 N/ F
clause 25.7 e.g. H03VV-F (60227 IEC 52) or H05VV-F (60227
) o$ r2 L t( c+ R2 q1 sIEC 53)?
# v/ x; z3 ^0 ?4 Q
% P! U; T/ k& z- e, N+ L: \4 EProposal of
' c1 p" w4 K9 h* Y8 asolution: For aquarium pumps and table fountain pumps PVC cords with - {$ C6 c! g5 H$ d# d0 [
properties at least equal to H03VV-F (60227 IEC 52) or H05VV F
; k v+ d/ |* q(60227 IEC 53), may be used, for which the proof of permanent
: c: P8 {8 x" d5 c; A9 Owater resistance according to DIN EN 50525-2-21 Appendix D - \2 G% K5 y7 i. ]
and E was performed. As requirement of the mechanical
. B4 ^% m2 R8 @+ e3 zproperties of the values for the tensile strength and elongation at & \& [2 l8 Y" L s4 g M
break according to DIN EN 50363-4-1 shall be used. As a 8 T( \# X) d' v/ d2 E8 g, F, @
reference for water immersion, the values are used in Table 2 8 o P) j, G; S; ~+ A( ]
(compound TM2) "After aging in air oven." H' l: e; A6 A1 y/ K; H: \, v* h
Thus, the decision EK1 561-13 is replaced
( x- }6 p u1 C8 [5 \( p0 O7 E
# T2 n8 ^4 P7 X7 y! V* h9 r0 @. w2 k) X( ~3 T/ A
Reason: Neither in H03VV-F (60227 IEC 52), nor in H05VV-F (60227 IEC
5 e' Z$ L% y: J- K53) appropriate requirements for permanent water-resistance are . m8 a+ Y8 @ d: R, }
currently defined: Despite the many years use of PVC cables in ) T& {" f' T8 X" A8 r* c$ ^
such pumps no safety problems have been known. The AK
4 g( E) h1 B3 x8 ^/ p1 {8 J8 ]: R511.11.6. has determined to apply the test methods described in ( t: u" t7 q& u) d+ g8 B
DIN EN 50525-2-21:2012-01 Appendix D and E, as evidence of
! {! d* [' S9 M' T2 spermanent water resistance of the connecting cables of
4 |2 [. W& _$ Paquariums and indoor fountain pumps. 3 P2 c2 z* ?; C4 G
* h v0 F( w4 K" |, ?2 @Decision Proposal of solution is accepted 2014-04-15.
1 N2 }$ p, L% ^, [ V- b6 ?For implement the category C according to AD 06 is
) U4 P1 d6 M# d! b& q( l1 Pessential.
' a. S+ |* d9 W: r' ?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。
! W, |8 Z1 ^+ U未能一一描述祥尽,跟贴补充……; c* U% E7 W8 N
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