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Subject: Aquarium- and table fountain pumps with PVC power cord
0 i2 b. y6 x8 O8 ]) t- K- KReference: / p t' W" y7 d8 s/ s+ s
Standard, section
# K3 K9 a+ X: Rlaw, directive EN 60335-2-41
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Question: For those pumps no special cables are required in EN 60335-2-: S; f* y% F% [; K# l1 o2 r
41. Can therefore PVC cables be used as listed in EN 60335-1, ) X `% }% U: G$ N( n
clause 25.7 e.g. H03VV-F (60227 IEC 52) or H05VV-F (60227 - p+ L. y) |0 a+ s
IEC 53)?
. [1 ?1 F: U, V; ?1 C
! e7 P p- Y! y) E1 W. P+ tProposal of % ?+ V# g" x+ c( Z
solution: For aquarium pumps and table fountain pumps PVC cords with
' L6 Z7 A9 e3 c! F/ tproperties at least equal to H03VV-F (60227 IEC 52) or H05VV F 6 R! q2 @" M7 p, u+ v
(60227 IEC 53), may be used, for which the proof of permanent
; x0 |/ p$ J2 mwater resistance according to DIN EN 50525-2-21 Appendix D
, y# S7 j. ?* jand E was performed. As requirement of the mechanical
& s: X6 E. B7 S, b" hproperties of the values for the tensile strength and elongation at 5 D0 U' c5 N& T( `4 I
break according to DIN EN 50363-4-1 shall be used. As a
) C$ r& T( ]0 {& \reference for water immersion, the values are used in Table 2 6 }% |: y$ a3 P
(compound TM2) "After aging in air oven." - L( o: z% }5 d$ k
Thus, the decision EK1 561-13 is replaced $ Z; K5 n* x0 p; y( |; Q; @
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Reason: Neither in H03VV-F (60227 IEC 52), nor in H05VV-F (60227 IEC
4 D3 U1 f. G# |+ [1 k# z53) appropriate requirements for permanent water-resistance are 7 V+ K: w8 Q8 [# g! l, |8 |
currently defined: Despite the many years use of PVC cables in $ r) z! F- G6 `5 @
such pumps no safety problems have been known. The AK ( x2 Y: N. e2 u0 Z$ {8 b
511.11.6. has determined to apply the test methods described in
$ l3 y5 `; ^5 PDIN EN 50525-2-21:2012-01 Appendix D and E, as evidence of
q2 }7 r5 |0 @9 z* Y4 K# kpermanent water resistance of the connecting cables of 5 H) f3 C4 O/ S& M$ h) P4 y5 l
aquariums and indoor fountain pumps.
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Decision Proposal of solution is accepted 2014-04-15.
# T6 }3 B0 M; J) M' RFor implement the category C according to AD 06 is
3 f2 F, N/ D- J I' Fessential.
( Z4 b% ~( q7 I( F( P# N0 J# t7 t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。" y. | v. L+ g7 l9 @6 o
未能一一描述祥尽，跟贴补充……
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发表于 2017-2-21 08:24
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