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Subject: Aquarium- and table fountain pumps with PVC power cord5 P% z/ | M, r3 H7 z$ w7 C' K
Reference: # F* o; W' l1 R2 g9 Y
Standard, section , R( T6 R. l( ^. q. y+ |2 a& S" R8 T
law, directive EN 60335-2-41
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) @% O- i& N) B5 @2 k! `Question: For those pumps no special cables are required in EN 60335-2-
; ?5 @0 q @3 ^: @/ K41. Can therefore PVC cables be used as listed in EN 60335-1, " h$ _1 L1 g+ {7 ^' Y; }" m' s
clause 25.7 e.g. H03VV-F (60227 IEC 52) or H05VV-F (60227
. Y. A" e" J- M F! }% PIEC 53)?
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Proposal of . H; Z+ ?3 u/ F+ {7 u6 d# X; Z( I
solution: For aquarium pumps and table fountain pumps PVC cords with 1 D0 c' l( _9 Y1 I- `
properties at least equal to H03VV-F (60227 IEC 52) or H05VV F 8 _7 M) O0 j4 N+ _2 }) d2 o4 c, R
(60227 IEC 53), may be used, for which the proof of permanent
( x: F/ @% G$ Twater resistance according to DIN EN 50525-2-21 Appendix D " v9 f+ s+ A+ u4 P: ]
and E was performed. As requirement of the mechanical 0 h1 h' s& U# O8 l; q* v- a8 o& ?
properties of the values for the tensile strength and elongation at 1 o: a5 Q, J! Q+ u
break according to DIN EN 50363-4-1 shall be used. As a & ]8 v, K- W6 H P9 }
reference for water immersion, the values are used in Table 2 5 }5 ?' N, o" X. D
(compound TM2) "After aging in air oven."
1 L+ w# L: m4 c, _/ K1 QThus, the decision EK1 561-13 is replaced 4 ~# ?2 m( \% D% v8 P* {
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Reason: Neither in H03VV-F (60227 IEC 52), nor in H05VV-F (60227 IEC
8 P" G5 X) K) D9 c/ A53) appropriate requirements for permanent water-resistance are 1 O% R- }, K! {- j( X
currently defined: Despite the many years use of PVC cables in
7 R" o* j- x5 I6 {: S: n/ r& }such pumps no safety problems have been known. The AK
/ i3 H. K8 {" U$ |4 C8 p- F5 B( w% j511.11.6. has determined to apply the test methods described in % X! {9 c8 ]" F$ B1 b. F) }$ W: q
DIN EN 50525-2-21:2012-01 Appendix D and E, as evidence of
2 b* G/ g6 B7 }permanent water resistance of the connecting cables of
7 [3 }; o9 U) z1 ^8 l( g/ \4 B, qaquariums and indoor fountain pumps. 0 S) C( H0 m. s1 h( p
% y4 _0 E" d& c
Decision Proposal of solution is accepted 2014-04-15. 7 F1 {+ b5 z0 n) B5 J F R
For implement the category C according to AD 06 is
5 k: ]% I; s0 q! vessential. " Y Z( h- ]9 t" r. Y
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。
! x2 K5 d& S) C) L未能一一描述祥尽,跟贴补充……6 [2 C$ K+ C, U, K0 v
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