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Subject: Aquarium- and table fountain pumps with PVC power cord7 B U+ _ u8 D
Reference: - s* C( E0 J7 B' v) h$ e+ U# u( d
Standard, section $ B3 o% X1 n) I" E
law, directive EN 60335-2-41
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Question: For those pumps no special cables are required in EN 60335-2-) @1 d* \' S/ A/ F
41. Can therefore PVC cables be used as listed in EN 60335-1,
8 a* P4 v$ w( N$ I1 Fclause 25.7 e.g. H03VV-F (60227 IEC 52) or H05VV-F (60227
# S# t; b& c2 T# f# w aIEC 53)? 0 q- w9 q6 w# \$ W( G Q
4 C6 l3 X' n2 |+ j; Z: Y3 L, zProposal of 7 g8 N/ n# U1 U* j" h+ b
solution: For aquarium pumps and table fountain pumps PVC cords with
5 Y6 Z* I; [) ?9 Z; M, L" gproperties at least equal to H03VV-F (60227 IEC 52) or H05VV F - @/ V9 C0 @+ N! `% R" m
(60227 IEC 53), may be used, for which the proof of permanent : t! C- |2 w& {& ~, X8 r
water resistance according to DIN EN 50525-2-21 Appendix D
% U+ y' X! C2 nand E was performed. As requirement of the mechanical - Q, q4 Y+ w: X7 n7 Q
properties of the values for the tensile strength and elongation at
5 U+ @0 q K0 n# T0 G g0 ?break according to DIN EN 50363-4-1 shall be used. As a 3 u* d" \. \! _5 O" p7 ]
reference for water immersion, the values are used in Table 2
; R! a t! F) i$ L7 t) s(compound TM2) "After aging in air oven." 9 u# a$ i8 e% R# {' M6 w9 K! _5 D
Thus, the decision EK1 561-13 is replaced N' p# J2 U1 T2 i* s( @
$ ]3 E4 I; g/ Y& N# P
4 |" k6 {: d+ {Reason: Neither in H03VV-F (60227 IEC 52), nor in H05VV-F (60227 IEC : H+ `6 ?5 |7 X# ^/ F
53) appropriate requirements for permanent water-resistance are 2 I2 E V/ H9 I1 }3 G
currently defined: Despite the many years use of PVC cables in & i' e$ f& y7 z* t
such pumps no safety problems have been known. The AK + y% b3 q3 H- S& C8 _: a3 U
511.11.6. has determined to apply the test methods described in ' p5 t( R. p' ?9 T2 D5 Q
DIN EN 50525-2-21:2012-01 Appendix D and E, as evidence of
4 K! Q1 O) Q/ {, u _) Rpermanent water resistance of the connecting cables of ) C' y7 U' c+ ^, l3 h
aquariums and indoor fountain pumps. j( q' ]: c# I0 j
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Decision Proposal of solution is accepted 2014-04-15.
% ]: V: E7 `9 w' D1 i( F- f( JFor implement the category C according to AD 06 is
9 B. k7 J; S0 X# G9 R5 `$ @- ^# Cessential. 8 W, ]! X6 u; X9 a
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。
4 N& U# u7 r5 K( B z未能一一描述祥尽,跟贴补充……5 I- D F' X/ {2 O5 S9 P8 k. F# b
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