> Hello group,
>
Has anyone dealt with the "industrial" EMC test requirements for the
European Union?
In particular, EN 61326 (EMC requirements for Electrical Equipment for
Measurement,
Control and Laboratory Use) specifies surge test levels of 1 kV
line-to-line and 2 kV
> line-to-ground.
>
> For apparently the same "industrial environment" (defined as Type 2), EN
> 50270
(Electrical Apparatus for the Detection and Measurement of Combustible
Gases, Toxic
Gases or Oxygen) specifies test levels of 2 kV line-to-line (differential
mode) and
> 4 kV line-to-ground (common mode).
>
> I'd like to determine the following:
>
a. why would there be a difference in the surge levels for what appears to
be the same
industrial environment? (perhaps because EN 50270 also applies to
apparatus for
use in hazardous areas?)
b. is there is a commercially available AC-to-DC power supply [an AC
adapter style,
230 VAC to 12 VDC at 2 Amps] that can handle the higher level surge
defined in EN 50270?
All responses are greatly appreciated.
Regards,
> John Bouse
> PerkinElmer Instruments
[email protected]
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