I would not agree with the test house. If their interpretation was mean,
the wording would be different.
Best wishes
John Woodgate OOO-Own Opinions Only
J M Woodgate and Associates www.woodjohn.uk
Rayleigh, Essex UK
The UK is a sovereign state, not a Zollverein state
On 2019-05-17 14:40, Payne, Glyn wrote:
Hi Experts,
I have a EN 62368-1 question regarding openings in a fire enclosure…
*6.4.8.2.2 Requirements for a fire enclosure *
Material for components that fill an opening in a *fire enclosure *or
that is intended to be
mounted in such opening shall:
-comply with the flammability requirements of the relevant IEC
component standard; or
-be made of *V-1 class material*; or
-with Clause S.1.
For PS2 and PS3 circuits I have been told by a test house that
connectors in fire enclosure openings /only/ have to be V-1 class
material if they are close to a potential ignition source (PIS).
My interpretation is that a fire enclosure is a fire enclosure,
regardless of where, within a fire enclosure a fire may start and so
anything filling an opening must be V-1.
I am interested to know how do other engineers interpret this clause.
Many thanks,
Glyn Payne
Compliance and Design Support Engineer
Solid State Logic UK Limited
Registered as a limited company in England and Wales (Company
No:5362730) Registered Office: 25 Spring Hill Road, Begbroke, Oxford
OX5 1RU, United Kingdom
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