[PSES] Power Supply Safety approval

Dear colleagues. I have submitted a product for CB certification to IEC/EN/UL 60065. The product is powered from a 12V dc wall wart purchased from an external supplier. The power supply is fully CB approved to IEC/EN/UL 60950 and operated well within its ratings. I submitted the CB

Re: [PSES] Power Supply Safety approval

There are differences, but I suppose citing Guide 112 would deal with that. With best wishes DESIGN IT IN! OOO – Own Opinions Only www.jmwa.demon.co.uk J M Woodgate and Associates Rayleigh England -Original Message- From: ce-test, qualified testing bv - Gert Gremmen

Re: [PSES] Power Supply Safety approval

Did you ask why they did that? Presumably, they were not confident that what was in the sample was the same as what was in the CB-certificated sample. Unfortunately, that is very often the case. With best wishes DESIGN IT IN! OOO - Own Opinions Only

Re: [PSES] Power Supply Safety approval

I think the answer to your question is the difference in product standards between your product and the power supply. A example: the 60950 power supply does not necessarily meet insulation requirements (among other requirements) of the 60065. The 60950 compatible PSU normally relies on Basic

Re: [PSES] Power Supply Safety approval

It may be too late for this now, but you could have submitted to IEC 62368-1 instead, pointing to the section in 4.1.1 that states that components that comply with IEC 60950-1 or IEC 60065 are acceptable without further evaluation other than to give consideration to the appropriate use of the

Re: [PSES] Power Supply Safety approval

Responses to various thread posts below. Assumption is that the wall wart is not certified as a component, but as end-use item, and is Class II construction. 1. " A example: the 60950 power supply does not necessarily meet insulation requirements (among other requirements) of the 60065." Class

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Re: [PSES] Power Supply Safety approval

If it's not multimedia, why was 60065 applied? With best wishes DESIGN IT IN! OOO - Own Opinions Only www.jmwa.demon.co.uk J M Woodgate and Associates Rayleigh England -Original Message- From: Richard Nute [mailto:ri...@ieee.org] Sent: Wednesday, June 15, 2016 9:03 PM To: 'John

Re: [PSES] Power Supply Safety approval

> There are differences, but I suppose citing Guide 112 > would deal with that. I don't believe that Guide 112 applies as this equipment was not designated "multimedia" equipment. If it was multimedia, Clause 3 of 60065 would apply, which references 4.2 and 4.3 of 60065 which is the meat of the

Re: [PSES] Power Supply Safety approval

I submitted the CB documentation for the power supply along with the product to the safety testing agency. I am surprised that the testing agency decided to dismantle the power supply and thoroughly evaluate it even though it is already pre-approved. While the power supply meets 60950

Re: [PSES] Power Supply Safety approval

> If it's not multimedia, why was 60065 applied? Mr. McBurney "submitted a product for CB certification to IEC/EN/UL 60065." Rich - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To