Dear Colleagues
We are a manufacturer of audio mixing consoles with a range that varies from A4
size up to large 2m long 2 man lift consoles.
Most have internal ac/dc power supplies.
We are researching changing the way we power are future products to rationalise
the psu range as worldwide
In message
7b970d3d82cee74c920c2e6b0d3b837720bdc...@sn2prd0610mb358.namprd06.prod.o
utlook.com, dated Fri, 16 Nov 2012, Mcburney, Ian
ian.mcbur...@dmh-global.com writes:
If the total power consumption of the mixer was no more than 80W and
the +48V was current limited to no more than 1 Amp,
You would need to make sure that the output of the power supply is a Limited
Power Source in order to deal with fire hazards. The nameplate output ratings
are necessary but insufficient information to determine if a fire hazard may be
present. Also, it is possible that your regulators (maybe
In America, a few years ago at Lucent, we built a DSL device that was remotely
powered by a separate power supply with a NEC ANSI/NFPA 70 Class 2 DC output.
The power supply had a NRTL safety marking, and as you suggest, the DSL device
itself did not carry a NRTL safety mark, only EMC and Fcc
If the product powered from a certified SELV, power limited supply will be used
or installed in a workplace in the US, then it is subject to OSHA NRTL approval
requirements and the mixer would be required to be certified by an NRTL. OSHA
regulations do not provide an exception to the approval
Dear All
I agree with Kevin and would like to add that many States have regulations
requiring all electrical/electronic products irrespective of voltage be Listed.
Sent from my iPhone
Peter S. Merguerian
pe...@goglobalcompliance.com
Go Global Compliance Inc.
www.goglobalcompliance.com
(408)
Do not necessarily disagree, but there are some problems. Am guessing that this
is referencing 29CFR1910.303. Also have this excerpt from an OSHA memo in my
database:
The testing standard will typically specify how the product is to be marked or
labeled and what instructions for installation
7 matches
Mail list logo