|
|
和其他电路之间满足双重绝缘、加强绝缘就可以了
8 Q* I3 O. I* C5 ~3.4.4! B; R) |! V Q9 N& Q- p
protective extra-low voltage circuit
) w# E" X8 w7 ~; k' Learthed circuit operating at safety extra-low voltage which is separated from other circuits
7 i% Y, [3 _% M* Q% }, a; q/ I& Eby basic insulation and protective screening, double insulation or reinforced insulation
& \" ?( T. |1 j) V6 Z; |0 fNOTE 1 Protective screening is the separation of circuits from live parts by means of an earthed screen.3 l; a3 s7 z1 @ ^
NOTE 2 A protective extra-low voltage circuit is also known as a PELV circuit. |
|