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8.1.4 An accessible part is not considered to be live if
: t+ _0 ~& _8 U6 E% G– the part is supplied at safety extra-low voltage, provided that! R; J& e- o6 U6 _- m8 h- M
• for a.c., the peak value of the voltage does not exceed 42,4 V,% w& E0 U/ t+ [: B8 H1 n& o
• for d.c., the voltage does not exceed 42,4 V,+ z- t* a- c6 x0 l( C7 A
or4 q$ s/ Z" p4 r L7 k. k
– the part is separated from live parts by protective impedance.
, J% u5 O( V1 O2 J e R4 Q& F– #for voltages having a peak value over 15 kV, the energy in the discharge shall not3 \; N% Z& y% m! z4 K$ b( `; E J
exceed 350 mJ.+ s* ]& o9 u. b7 I) k
应该不算III类电器 但是应该可以算是安全的 |
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