More specifically you asked: What PS class is a USB powered product that has no other I/O connections, has no internal battery nor internal amplifying circuitry?…
Get the hard facts to a successful transition – from your UL experts
The IEC 62368-1 Toolkit covers an exceptionally wide range of topics, which we believe can be helpful to manufacturers and distributors of A/V & ICT equipment as you plan your transition.
This Q&A includes many of the questions we have been asked, with answers from UL experts. Registered users may also submit additional questions related to the 62368 transition: UL has the answer.