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Subject: Aquarium- and table fountain pumps with PVC power cord9 }+ \3 g: s- E _. e L4 a- i$ i
Reference:
6 \0 i6 c/ z" L4 L& s6 V/ m9 L tStandard, section
" [: S+ E/ Q9 S) `/ f Elaw, directive EN 60335-2-41 3 ^. [9 ^/ X' f/ Q
4 I9 s- k: f6 S$ U6 V2 R6 S. n `
4 L( n1 G% {4 i& }+ t% X+ _# |% [Question: For those pumps no special cables are required in EN 60335-2-
J/ w0 ]- a! Z- D' }41. Can therefore PVC cables be used as listed in EN 60335-1, , R1 j$ n. H/ i; t; t
clause 25.7 e.g. H03VV-F (60227 IEC 52) or H05VV-F (60227 8 L. ]- [# r" v! u7 g) p5 F
IEC 53)?
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5 g/ b: V& ~/ ~# S' h: v7 PProposal of
. y7 } n/ H/ M2 g- p3 N& d8 H# X& Nsolution: For aquarium pumps and table fountain pumps PVC cords with
+ i b5 g# Y9 M$ Q) R3 Qproperties at least equal to H03VV-F (60227 IEC 52) or H05VV F
9 S$ O, p- h' m( l \(60227 IEC 53), may be used, for which the proof of permanent
6 d8 A$ z1 x* S1 u3 Awater resistance according to DIN EN 50525-2-21 Appendix D $ _- X+ M8 J) R: I0 {$ B
and E was performed. As requirement of the mechanical 4 J' B) ]5 }6 B6 f) s( W" ^8 k
properties of the values for the tensile strength and elongation at
4 C& u; t' e8 D* U2 n- x8 tbreak according to DIN EN 50363-4-1 shall be used. As a
, v$ o. l. K: e f; \9 h' Wreference for water immersion, the values are used in Table 2
( M" p4 ?" d. P; |' m(compound TM2) "After aging in air oven." ' v$ q7 a4 L+ x/ s9 u
Thus, the decision EK1 561-13 is replaced
0 I/ e) \/ |( X/ @$ H6 O! ?+ s: i. d" ~5 N/ J! p
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Reason: Neither in H03VV-F (60227 IEC 52), nor in H05VV-F (60227 IEC - u% _$ k- M5 @# B; w
53) appropriate requirements for permanent water-resistance are 6 r* J: b" h$ E7 S
currently defined: Despite the many years use of PVC cables in
$ X6 T) S" e4 d8 A; i" S- Tsuch pumps no safety problems have been known. The AK : o, @! a5 O+ X ?% O- w) v5 z0 _
511.11.6. has determined to apply the test methods described in
( b4 U. N" @" g$ t# FDIN EN 50525-2-21:2012-01 Appendix D and E, as evidence of N$ o p' n$ S1 i. u- P
permanent water resistance of the connecting cables of
' G8 p4 t1 F4 k* s$ {! Y1 `, Laquariums and indoor fountain pumps. / R$ j: ]; l, e# I! G9 i5 @! _
# C( H+ N- o+ H4 ^/ Q" t. M
Decision Proposal of solution is accepted 2014-04-15.
; S' @# N0 g. o4 C, H2 GFor implement the category C according to AD 06 is
7 n. ^# |' G+ [' r: Yessential. - `: {9 P6 }9 i5 L5 ]
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。
$ C1 _8 o Q' U' e0 m% u3 R未能一一描述祥尽，跟贴补充……
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