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Subject: Aquarium- and table fountain pumps with PVC power cord
: q% q& g, H# Y/ aReference:
. G0 _3 l' k( E3 I' o! }Standard, section
^8 B! }7 ^/ y3 glaw, directive EN 60335-2-41 6 b. u8 T5 w" v! f C
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Question: For those pumps no special cables are required in EN 60335-2-
) \+ I9 t6 F& N3 Q3 O0 L$ W% e: K# W41. Can therefore PVC cables be used as listed in EN 60335-1, ) `2 {6 Y) z0 c4 W! d/ s, }2 W3 {
clause 25.7 e.g. H03VV-F (60227 IEC 52) or H05VV-F (60227 / l7 [; v8 R( X& I: s6 F% T0 P7 K! x
IEC 53)?
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Proposal of
7 v* o( t) m6 u- S. f- Jsolution: For aquarium pumps and table fountain pumps PVC cords with 5 n9 E; S) h8 k3 w% Q: `
properties at least equal to H03VV-F (60227 IEC 52) or H05VV F + `' L; _. S6 Z. Q
(60227 IEC 53), may be used, for which the proof of permanent
6 K. p# y+ z) y3 A. u5 }9 Owater resistance according to DIN EN 50525-2-21 Appendix D 4 }/ j( O4 L N1 `( t
and E was performed. As requirement of the mechanical * A( N' s1 V t- Q) ` [& W* A2 d* P
properties of the values for the tensile strength and elongation at 9 L0 E" }8 n1 g8 C
break according to DIN EN 50363-4-1 shall be used. As a " y) r$ K/ I# a! _6 H& ~# F
reference for water immersion, the values are used in Table 2
( B0 M( h; o6 f" B2 j(compound TM2) "After aging in air oven."
" ^! {2 O2 n2 p% X' F7 g1 NThus, the decision EK1 561-13 is replaced , @& e" F& F$ s) P- T1 _ k/ ?) Z
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Reason: Neither in H03VV-F (60227 IEC 52), nor in H05VV-F (60227 IEC
& I3 F/ P: T8 O# B# H2 `/ [$ u* n53) appropriate requirements for permanent water-resistance are $ H6 K# m2 p8 a6 ^% ?
currently defined: Despite the many years use of PVC cables in ( n4 _6 k6 ~( n2 ^$ X
such pumps no safety problems have been known. The AK
. H \+ v+ Y# R- ^+ S8 D; D511.11.6. has determined to apply the test methods described in
1 ^# h4 H& Z# C" DDIN EN 50525-2-21:2012-01 Appendix D and E, as evidence of ( c, [2 t$ @7 h# Y- w
permanent water resistance of the connecting cables of ; {) A& N) P t/ x+ g
aquariums and indoor fountain pumps. ( r$ `* ]/ x8 U0 G2 _3 V
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Decision Proposal of solution is accepted 2014-04-15.
: {- G6 }7 b9 W3 P8 A6 r y: fFor implement the category C according to AD 06 is
. ?. z/ N+ N. |& P- [) g# A% S2 }essential. 2 E# h, S% [8 O+ t" t" y( c& F. u
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。
4 x( v9 X) p5 W未能一一描述祥尽,跟贴补充……
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