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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,. ~% h; j% @1 W7 p3 I% X8 l
5.3.4 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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4 a0 C2 y# Y5 W1 O5 J下面是 EN454 5.3的全文# d$ S* q/ X9 g1 A6 k+ u
5.3 Electrical hazards4 O2 A4 X0 M8 J" y/ ]- `8 _
5.3.1 General3 D/ n* `0 E8 G" }
Electrical equipment – for example switches – that may be exposed to water, e.g. during cleaning, shall be6 O! x( D8 k1 S- [; [, @$ D; Q
protected to an appropriate IP-rating according to EN 60529 and EN 60204-1.' E. U) g4 o) _: {. K
The electrical equipment shall comply with EN 60204-1, with the following requirements given in 5.3.2, 5.3.3,* M/ Y& w9 O$ w/ {: [
5.3.4 and 5.3.5.0 ^2 v% }+ f }( l2 G' W0 g3 U3 f* q
5.3.2 Safety requirements related to electromagnetic phenomena; P5 }6 M- w$ f0 I5 i* ]
The machines shall have sufficient immunity to electromagnetic disturbances to enable them to operate safely, }8 n8 g( q7 i5 c6 f& b. U
as intended and not fail to danger when exposed to the levels and types of disturbances for the intended use
& M4 S& a- ~, `3 X: u' tof the machine (see EN 61000-6-1).
) J! W/ \. ?) {/ g }The manufacturer of the machines shall design, install and wire the equipment and sub-assemblies taking into
0 H! p+ Z1 v* `- d8 ]# O) Yaccount the recommendations of the suppliers of these sub-assemblies.' e3 J5 m: M) s
5.3.3 Protection against electric shock
0 ^* M1 @+ R1 n; n9 BThe electrical equipment shall comply with EN 60204-1:2006, Clause 6.: f2 X: L* W9 d3 i% c5 b [
5.3.4 Power circuits
0 y1 ?3 ^ J9 `" R4 e; DDevices for detection and interruption of over-current shall be applied to each live conductor in compliance7 P1 G/ b& E; D- _: J2 K
with EN 60204-1:2006, 7.2.3. In case of single phase machines, no such device is required for the earthed4 i5 s% D& K! f/ U( g9 K4 E; g
neutral conductor.
/ A$ h0 f8 i1 l) E$ I7 A) s9 h5.3.5 Protection against earth faults in control circuits7 I- n2 x o" X5 D9 s
For machinery supplied from a single-phase conductor and an earthed neutral conductor the single pole# z* w& i9 [) z: V; O
interruption shall be in the phase conductor (see EN 60204-1:2006, 9.4.3.1).
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