|
针对IEC 60335-1的家电类产品来说:
0 @! w( q) l* {% R0 }+ PY1或Y2都可以。如果使用则至少需要2个或以上,需要考虑任何一个开路或短路的情况。# W, E C" d, J8 W
2 b: {! R1 r3 {7 b( v- N22.42 Protective impedance shall consist of at least two separate components. If any one
( Q) P- ~/ k' l. C& w5 g6 |0 Sof the components is short-circuited or open-circuited, the values specified in 8.1.4 shall not/ e7 E& U* _3 l" U, e
be exceeded.
; d% o# V& @" P- t" eComponent impedances shall be unlikely to change significantly during the lifetime of the
2 S9 k: ?( {# E- M5 {7 \; kappliance.
. }/ m8 x3 d1 ~Compliance is checked by inspection and by measurement and if necessary, for resistors and* w' ~( m, D0 j/ ~3 o8 u2 z9 b
capacitors by the following tests.
8 E7 n" Q. s8 U; \! K% N. h& bResistors are checked by the test of 14.1 a) in IEC 60065 and capacitors are checked by the
3 P3 N+ l$ b9 z% Jtests for class Y capacitors in IEC 60384-14 appropriate to the rated voltage of the appliance. |
|