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. v2 W+ I M* r9 C: B0 C. a如何理解5.3.1? The electrical equipment shall comply with EN 60204-1, with the following requirements given in 5.3.2, 5.3.3,
- _1 o1 L# J. Q3 J5.3.4 and 5.3.5.,是产品必须符合EN 60204-1,然后还必须符合5.3.2, 5.3.3,5.3.4 and 5.3.5. ,还是必须符合EN 60204-1的5.3.2, 5.3.3,5.3.4 and 5.3.5的要求的那一部分?今天感到很凌乱啊!
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: W( L# r& U$ {! m下面是 EN454 5.3的全文
+ x3 l9 B8 r" J" ?5.3 Electrical hazards
( h0 H( T; O# D/ ^5.3.1 General- n# h7 W* Z, a L8 `, ~
Electrical equipment – for example switches – that may be exposed to water, e.g. during cleaning, shall be! U/ x8 U9 `) f/ T( i
protected to an appropriate IP-rating according to EN 60529 and EN 60204-1.
% y: i3 u6 W6 G7 }3 e. H1 A' YThe electrical equipment shall comply with EN 60204-1, with the following requirements given in 5.3.2, 5.3.3,7 X8 h, I7 A' |. M3 r0 J) b
5.3.4 and 5.3.5.
; q& F8 `& x" C* o5.3.2 Safety requirements related to electromagnetic phenomena) G z8 ^5 }! O) o
The machines shall have sufficient immunity to electromagnetic disturbances to enable them to operate safely
, j' [( T1 U( y3 u1 s4 uas intended and not fail to danger when exposed to the levels and types of disturbances for the intended use
# b: \: B; G- p; |2 Nof the machine (see EN 61000-6-1).
1 |# _% j8 @5 L9 {The manufacturer of the machines shall design, install and wire the equipment and sub-assemblies taking into
: H( q1 Z$ x, z/ taccount the recommendations of the suppliers of these sub-assemblies.
: y8 C3 B0 K: K% o) @9 r0 m2 L* G, O9 a5.3.3 Protection against electric shock! K' m; q1 ^7 H& b& u2 n
The electrical equipment shall comply with EN 60204-1:2006, Clause 6.
" u. k! B' H; j9 W Z5.3.4 Power circuits$ ]6 n' ~$ f0 ^) E
Devices for detection and interruption of over-current shall be applied to each live conductor in compliance& { s2 V/ I1 Y2 Y+ H8 l6 |. j3 I2 }$ O
with EN 60204-1:2006, 7.2.3. In case of single phase machines, no such device is required for the earthed
. l- i2 \" q* Q8 k. r; r2 ineutral conductor.
4 h, {* N* o; Q5.3.5 Protection against earth faults in control circuits2 B& c+ {/ j" d+ A2 M1 F
For machinery supplied from a single-phase conductor and an earthed neutral conductor the single pole5 ~9 O7 i$ E' _* }2 q8 h7 n+ \) U2 u
interruption shall be in the phase conductor (see EN 60204-1:2006, 9.4.3.1)./ _/ y: {& w7 d% T
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