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it depends on:
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If the power supply unit is specially designed for the product, under class II.& H6 ]+ b8 u& u& G( l
If the power supply unit is commonly used, the following two cases can be considered:
6 l3 H7 l" h/ ?1 o1, CB report is issued under class II if the power supply unit is not approved. In other words, it should be tested with the product9 d& C, b$ {3 y) R0 ?3 j
2, CB report is issued under class III if the power supply unit is approved. So it can be treated as a critical safety component for the product.) Z/ o. _$ {* g7 e/ Z
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actually some labs will reject to issue CB under Class II., c* p. Y3 z# w2 O6 g5 v
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