Get the hard facts to successful 62368 compliance – from your UL experts
The IEC 62368-1 Knowledge Hub covers an exceptionally wide range of topics, which we believe can be helpful to manufacturers and distributors of A/V & ICT equipment.
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: UL has the answer.
Q&A: You ask, we answer
According to IEC60950-1, Chapter 5.2 Electric Strength, Table 5B, the test voltage is 1500VAC for a device with basic insulation and 230VAC operating voltage. Where can I find this test voltage for such a device in IEC62368-1?
IEC62368-1 has three methods for determining the electric strength test voltages. Those are explained in sub-clause 126.96.36.199. As stated, the highest value calculated…
If we have a product that its output 3.3V SELV, 16 W (more than 15W) or PS2 energy that meets Table Q.1 requirements. Does the power need to be contained?
When can my company begin submitting AV & ICT equipment and components for product investigation and certification to Edition No. 3 of IEC 62368-1?
When will the rationale document, IEC TR 62368-2, be updated to reflect 62368-1 Edition No. 3 content?
Does sub-clause 4.1.1 and its provision for accepting 60065 and 60950-1 compliant AV or ICT components remain in Edition No. 3 of IEC 62368-1?
What are the key differences between the existing Edition No. 2 of IEC 62368-1 and the recently published Edition No. 3?
Would an LAN output connector of a laptop computer intended for connection to a router within the same building, be defined as a paired conductor external circuit as per ID 1 of table 14 within EN 62368-1.
Does the point B.2.6.2 in EN 62368 force to perform temperature measurement for Cause 6 at real Trma (manufactures max allowed ambient temperature of the DUT)?
Why evaluate to Edition No. 2 of IEC 62368-1 now, when we will have to test to Edition No. 3 by 2020?
Evaluations to 3rdEdition will not universally be required in 2020. Edition No. 3 of IEC 62368-1 will not become mandatory until it is adopted in Europe,…
How much actual new testing will be required to move from product investigations currently to IEC 60950-1 to IEC 62368-1?
Unfortunately, this sort of question cannot be addressed in depth in this sort of forum since the answer is mostly dependent on the specific product type (construction,…
Given that the 2nd edition is more onerous, what is the likelihood of an agency such as UL allowing a 3rd edition relaxation in their 2nd edition certification?
It’s an oversimplification to state that Ed 2 is more onerous than Ed 3. A better way to view it is that Ed 3 has incorporated some refinements into it that…
For IEC 62368-1’s Annex G.9 on IC current limiters, one of the stated conditions is that the IC is supplied by a source whose output does not exceed 250VA. Can you provide some background on this change?
Annex G.9 is being overhauled in Edition No. 3 of IEC 62368-1, including a new test program replacing the existing three test programs. A 250VA power source…
Currently, there is no Mexican National Standard or adoption of IEC 62368-1, 2ndEd.
Is there a list of targeted dates for countries like Korea and Japan as to when they will not just have published 62368-1 standards but will also permit products to be approved to those standards?
- For Korea – KS C IEC 62368-1 2ndEd. seems to be on track for a Q1 2019 publication. Korean Agency for Technology…
Clause 9’s Table 38 for Touch Temperature Limits states the limits are based on a 25 deg C ambient. How are the Tmax limits in Table 38 adjusted for different ambient temperatures?
Clause 9’s Table 38 for Touch Temperature Limits states the limits are based on a 25 deg. C ambient and to adjust for different ambient temperatures if not 25…
Can the critical components of my product still be certified under 60950-1 even if my final product is certified under 62368-1?
You asked whether the critical components of your product still be certified under 60950-1 and if there be a time when all components need 62368-1 certification?