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Subject: Aquarium- and table fountain pumps with PVC power cord
/ s" A& O2 g9 |+ k$ G i, V2 {Reference:
: ~ t- o; u( K! V1 `Standard, section
3 D% l: C1 [- r" r, flaw, directive EN 60335-2-41
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Question: For those pumps no special cables are required in EN 60335-2-# i( H, h. ]! m2 m5 u/ o
41. Can therefore PVC cables be used as listed in EN 60335-1,
3 r3 ?( g; @, m, }7 K, @; w( dclause 25.7 e.g. H03VV-F (60227 IEC 52) or H05VV-F (60227 . ^# | ^4 }& \
IEC 53)? : n3 L# K9 } B9 w% V
8 I7 y9 M* l l! e1 S/ ?3 b3 HProposal of 4 [$ ~+ W& R. D3 t, v% h4 U
solution: For aquarium pumps and table fountain pumps PVC cords with
7 q: A1 E2 ^/ X! n- `( _- zproperties at least equal to H03VV-F (60227 IEC 52) or H05VV F
) w5 E2 d6 W7 v1 x5 A6 K- L5 |" O6 n(60227 IEC 53), may be used, for which the proof of permanent
! J0 F3 ~+ O7 s7 f6 l& J; pwater resistance according to DIN EN 50525-2-21 Appendix D
. v# C. ~# }7 C, N9 G3 X5 ]5 Sand E was performed. As requirement of the mechanical 8 n1 @' p2 q$ O+ B8 I1 | x
properties of the values for the tensile strength and elongation at 3 }5 G P7 k" d( @5 {) P8 V
break according to DIN EN 50363-4-1 shall be used. As a
" i* h2 j5 l2 z4 s+ t% H, f6 |reference for water immersion, the values are used in Table 2
& ?' B- m* A1 H! ?- Q(compound TM2) "After aging in air oven." 6 C2 e* H2 k+ s
Thus, the decision EK1 561-13 is replaced
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Reason: Neither in H03VV-F (60227 IEC 52), nor in H05VV-F (60227 IEC
& v8 K" I0 e7 D0 Q53) appropriate requirements for permanent water-resistance are
* X9 Q! K1 U/ c Q9 Z- Ecurrently defined: Despite the many years use of PVC cables in : {/ r+ k4 \0 D8 U
such pumps no safety problems have been known. The AK . v3 }' D+ L/ @: K7 v8 d
511.11.6. has determined to apply the test methods described in ( l: z8 @* t- O9 f8 R+ l* @) z
DIN EN 50525-2-21:2012-01 Appendix D and E, as evidence of
4 }3 y" S4 Y, J8 Y3 b. ~permanent water resistance of the connecting cables of , U1 K6 `$ T" a5 W- {
aquariums and indoor fountain pumps.
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8 z, o- e; p3 @2 @; k$ @2 X5 _1 jDecision Proposal of solution is accepted 2014-04-15.
$ Y8 E9 f( V( I' k! f" ~For implement the category C according to AD 06 is
" R# b' s T7 r" `/ g7 U1 D1 kessential.
- R, D5 R5 {# V' @% b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。
0 {1 |% s+ F' x' ]; p9 E未能一一描述祥尽,跟贴补充……& R0 P/ ^) S# X5 P8 F
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