|
Subject: Aquarium- and table fountain pumps with PVC power cord
& ?7 {9 Z9 |$ iReference:
5 k% J* K/ `* z. aStandard, section
7 @7 |5 n6 V7 Z$ C# |law, directive EN 60335-2-41 - v7 q3 }6 @5 C T
7 I% ?! M* Z/ l( s
$ |; `4 A( S E: l4 C9 |7 M
Question: For those pumps no special cables are required in EN 60335-2-
0 ]1 Q7 q! V% {* H) f& j41. Can therefore PVC cables be used as listed in EN 60335-1, 0 s2 W8 S" k! W% \
clause 25.7 e.g. H03VV-F (60227 IEC 52) or H05VV-F (60227
8 H4 v5 k& d) W0 U0 G1 i! F6 S) ZIEC 53)?
! @+ r6 Q z( u9 h
+ p( \+ Z: w: Q3 P" [Proposal of ; e1 `; N' j5 {9 Z- K
solution: For aquarium pumps and table fountain pumps PVC cords with 7 j/ l) |" ^5 f1 `5 P7 }2 G
properties at least equal to H03VV-F (60227 IEC 52) or H05VV F 9 h+ O5 v2 B: i( q& Y# j
(60227 IEC 53), may be used, for which the proof of permanent
2 E2 g1 b0 I( E4 y5 s* Uwater resistance according to DIN EN 50525-2-21 Appendix D 2 e2 Y+ {9 }( L. _5 ~6 L/ E( K
and E was performed. As requirement of the mechanical
1 u+ L6 c+ B* \/ Lproperties of the values for the tensile strength and elongation at / V0 ~3 E5 k9 {: b) q5 E2 B
break according to DIN EN 50363-4-1 shall be used. As a " B1 D% L6 I- n- J3 A4 H
reference for water immersion, the values are used in Table 2 q4 F- l2 ]% P; ]
(compound TM2) "After aging in air oven." 4 c2 |' C% t( K4 y9 p
Thus, the decision EK1 561-13 is replaced 9 O/ ^4 k S+ s
1 |6 i1 I# t4 T x# ?
+ t$ x5 S9 [: Z+ |
Reason: Neither in H03VV-F (60227 IEC 52), nor in H05VV-F (60227 IEC + [( I$ D, h/ W) D. ?! s4 l
53) appropriate requirements for permanent water-resistance are . m1 ^, M c# T2 a9 v5 f
currently defined: Despite the many years use of PVC cables in 4 B0 t+ e2 p+ i/ J# u) b
such pumps no safety problems have been known. The AK ) | Q1 x e2 `
511.11.6. has determined to apply the test methods described in
- t. X( d J' H' U. `5 zDIN EN 50525-2-21:2012-01 Appendix D and E, as evidence of # ^) I) P( u4 N
permanent water resistance of the connecting cables of Q5 G& ^, w4 N! f h, q/ E' T& \
aquariums and indoor fountain pumps. - R$ \/ n; l* n' V* k2 m% o
6 | D' R6 s9 z! S O+ {Decision Proposal of solution is accepted 2014-04-15. 0 \6 t/ H5 P P; ~& ^/ e9 \' x! W
For implement the category C according to AD 06 is 0 v% w7 u# P6 y' g, v c* o! |0 ]
essential. ; {+ k; e+ E& ]2 s( }: l
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。* }! V# R6 h% R7 w
未能一一描述祥尽,跟贴补充……1 B5 i6 \, e* e2 w) P7 j
|
|