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8.1.4 An accessible part is not considered to be live if
$ G O2 S6 K- o– the part is supplied at safety extra-low voltage, provided that
1 a9 b( }4 _& T+ `) A• for a.c., the peak value of the voltage does not exceed 42,4 V,
' b% h) W9 Q/ O4 E; s4 l# J+ A3 M/ q• for d.c., the voltage does not exceed 42,4 V,
) E2 M6 V' P' s' ?/ C: U0 Q; ]or8 ^" Q; l4 ] E& k
– the part is separated from live parts by protective impedance.
6 I3 Y; G H3 {# _! l! e0 p– #for voltages having a peak value over 15 kV, the energy in the discharge shall not
/ Y( c) c# a) y8 ]/ @2 R: Qexceed 350 mJ.$ o0 V" ]' I/ z5 G
应该不算III类电器 但是应该可以算是安全的 |
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