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Subject: Aquarium- and table fountain pumps with PVC power cord( D" |( X) v/ `0 V. u
Reference:
; b J8 s( u, V2 D9 s9 z! HStandard, section ) d- [2 m/ D6 k. u. Z3 m+ x
law, directive EN 60335-2-41
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+ R6 r% b& l/ o7 f9 Q- H4 yQuestion: For those pumps no special cables are required in EN 60335-2-
. Z) n3 M1 c4 a& q+ b41. Can therefore PVC cables be used as listed in EN 60335-1,
. ], F, V% x2 V. {5 Zclause 25.7 e.g. H03VV-F (60227 IEC 52) or H05VV-F (60227
\8 I4 ^0 x% h; |IEC 53)? 5 t, q) T" Q& V' @7 o
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Proposal of
+ h5 A+ L2 k' G, o3 W' z9 tsolution: For aquarium pumps and table fountain pumps PVC cords with
- m! @ f- C/ P% c- kproperties at least equal to H03VV-F (60227 IEC 52) or H05VV F
! N3 g, Y- {2 S( H2 {$ i/ _(60227 IEC 53), may be used, for which the proof of permanent 7 y, H1 j0 Z# |* v
water resistance according to DIN EN 50525-2-21 Appendix D
1 E X6 l8 m# |4 P( z! b4 Land E was performed. As requirement of the mechanical ! c/ p) x9 X4 _# J+ @
properties of the values for the tensile strength and elongation at t5 _0 M' g" m- L, \/ v" f1 o# q# b
break according to DIN EN 50363-4-1 shall be used. As a
1 B7 i. I2 L3 r* Creference for water immersion, the values are used in Table 2
8 t' z( F. J/ r) a1 ~: Y" r(compound TM2) "After aging in air oven." $ ]8 s. }2 j( }% u
Thus, the decision EK1 561-13 is replaced
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$ w& ^1 R3 b% ^Reason: Neither in H03VV-F (60227 IEC 52), nor in H05VV-F (60227 IEC
, j0 m, r: K" k3 Q2 @* M53) appropriate requirements for permanent water-resistance are
+ G$ f% A, Z7 Gcurrently defined: Despite the many years use of PVC cables in
5 n* L8 {, J$ C$ X8 x; d+ T) K0 Q# Z# Xsuch pumps no safety problems have been known. The AK 5 _6 r% G8 s" [4 _ r8 i
511.11.6. has determined to apply the test methods described in
% B. L/ R! Q( VDIN EN 50525-2-21:2012-01 Appendix D and E, as evidence of 0 _7 u- X2 M$ ]* d" ^7 y! ?* r
permanent water resistance of the connecting cables of # A8 y" ^: }9 C. O
aquariums and indoor fountain pumps. 5 }$ }$ C" }, @4 Y! y: V, n
2 K3 ], H& Q& G: B
Decision Proposal of solution is accepted 2014-04-15.
, w3 a- E0 w3 H l2 A6 gFor implement the category C according to AD 06 is ! g& s9 {2 Y& T2 G( U
essential. + B6 E9 [" H3 w" v) f* ]' x
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。) A4 D/ G2 D; Z7 l; S
未能一一描述祥尽,跟贴补充……
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