PM5350 replacement inside the PM5000 series, comparison with PM5340 and PM5560?

1.The PM5350 has 4 Digital Inputs (DI) and the PM5340 only 2.

2.The PM5350 has a special cover on the back to isolate the cables, but  I have not found any indication of MID approval on it. Is the PM5350 MID approved?
What is the purpose on the back cover?

No, it is not MID approved and the back cover is to protect the wiring cables.

3. Is there any other major difference between the PM5350 and the other two meters?

They are all belong to Basic multi-function metering range. Among PM5350, PM5340 and PM5560, PM5560 has more features and is better quality than the others and the PM5561 has MID certificate.

4. In your opinion, what would be the best replacement for the PM5350?

It depends on your application and what feature are you expecting.
PM5560 will be better if you need high accurate energy management performance and power quality analysis.
PM5340 could be more suitable if you want to save cost and its functions could meet your requirements.
The global Meter Selector App for iphone and Android is available now for download on Google Play and Apple store,
You can find the right meter by searching for features or applications.
Attached is a presentation with an overview of the app.

Released for:Schneider Electric UK