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it depends on:. W2 d% \, B2 j- Q5 V
/ f+ ^1 ?; D# V( b1 p+ o: e' hIf the power supply unit is specially designed for the product, under class II.
' l0 o* O* A2 j7 D& M9 QIf the power supply unit is commonly used, the following two cases can be considered:8 q' G+ o6 o. L- \5 G' ?$ J
1, CB report is issued under class II if the power supply unit is not approved. In other words, it should be tested with the product
2 T- K/ E& R* E! e% m% q- Q2, 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.* l6 M8 f) L1 A! N1 @& Z4 |6 W
& Y& ]. e8 Q' D" ractually some labs will reject to issue CB under Class II.! E8 F5 Y0 x$ @# \7 @; N
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