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Subject: Aquarium- and table fountain pumps with PVC power cord
+ S" z4 X1 s: o! o: V |$ GReference:
: M% S8 \' X# Y3 fStandard, section % z- n( |: C; ~9 \
law, directive EN 60335-2-41 - o9 `& ^2 N- O; V8 s* v
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- s" t* g/ D2 Z2 U( xQuestion: For those pumps no special cables are required in EN 60335-2-
& q( C/ e+ ?8 C1 D41. Can therefore PVC cables be used as listed in EN 60335-1,
. |4 O3 G: r% p+ |clause 25.7 e.g. H03VV-F (60227 IEC 52) or H05VV-F (60227 # I6 y+ @( K6 F0 `: [0 G
IEC 53)?
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Proposal of
( t" F8 l& T* i7 hsolution: For aquarium pumps and table fountain pumps PVC cords with ; ^# G; z6 u7 ?
properties at least equal to H03VV-F (60227 IEC 52) or H05VV F
5 Z" M, n5 Q$ q( v# V(60227 IEC 53), may be used, for which the proof of permanent
, P9 d0 l! Q; p2 Twater resistance according to DIN EN 50525-2-21 Appendix D 4 P9 h5 X, Q2 _ N7 ]/ k0 \- i
and E was performed. As requirement of the mechanical
D( V) ]: |! `# bproperties of the values for the tensile strength and elongation at ( n5 z; j( j% N1 A
break according to DIN EN 50363-4-1 shall be used. As a
. c% d) a8 W+ Preference for water immersion, the values are used in Table 2
) X9 b3 I( U4 V* ]. x# ](compound TM2) "After aging in air oven." 7 I9 J% Y3 K1 D) e' j2 f
Thus, the decision EK1 561-13 is replaced / O. T9 p. Q& B
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* D+ G% B% o( l1 qReason: Neither in H03VV-F (60227 IEC 52), nor in H05VV-F (60227 IEC + ?% i' }+ Q2 R
53) appropriate requirements for permanent water-resistance are 6 V" {6 v) B) _! p. t
currently defined: Despite the many years use of PVC cables in
6 _+ K8 ^6 T) ]8 l1 G Dsuch pumps no safety problems have been known. The AK
( _. b8 G/ q# C511.11.6. has determined to apply the test methods described in 2 ?% e4 ?) R1 E6 p3 I* x3 V
DIN EN 50525-2-21:2012-01 Appendix D and E, as evidence of
3 S$ R% b; ]7 H! g: `6 A# Hpermanent water resistance of the connecting cables of 2 p8 j$ w" T0 i% I" x: A) R
aquariums and indoor fountain pumps. . Y' a. F: d* k% g
3 s2 p( ^! \% j- h, W0 cDecision Proposal of solution is accepted 2014-04-15. 4 s$ Z' ]0 {$ u7 k2 p- v7 Q* i
For implement the category C according to AD 06 is 8 }/ o, O) [$ U4 @
essential. % g) H" h0 i, s- ?9 G6 f
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。
: J+ w5 W& C; H: m未能一一描述祥尽,跟贴补充……
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