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Which power meters comply with a 4-wire + ground requirement?

Metering & Power Quality

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sesa360183_brid
Schneider Alumni (Retired)
Schneider Alumni (Retired)
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397

Which power meters comply with a 4-wire + ground requirement?

Will appreciate your help on this. Thank you!


Accepted Solutions
VictorMarincus
Sisko Sisko
Sisko

Re: Which power meters comply with a 4-wire + ground requirement?

The meters which can be connected in a "5 wire system" (3 phase conductors, a neutral conductor and a separate ground conductor - the building ground) are the ones which have the GND terminal on their chassis (advanced metering and utility metering)- ION8xxx and ION7xxx.

See Answer In Context

6 Replies 6
VictorMarincus
Sisko Sisko
Sisko
0 Likes
5
320

Re: Which power meters comply with a 4-wire + ground requirement?

Is your question about the electrical network connection or about the meter communication port (old 4-wire RS485)?

sesa360183_brid
Schneider Alumni (Retired)
Schneider Alumni (Retired)
0 Likes
4
320

Re: Which power meters comply with a 4-wire + ground requirement?

This is about the electrical network connection.

VictorMarincus
Sisko Sisko
Sisko

Re: Which power meters comply with a 4-wire + ground requirement?

The meters which can be connected in a "5 wire system" (3 phase conductors, a neutral conductor and a separate ground conductor - the building ground) are the ones which have the GND terminal on their chassis (advanced metering and utility metering)- ION8xxx and ION7xxx.

sesa360183_brid
Schneider Alumni (Retired)
Schneider Alumni (Retired)

Re: Which power meters comply with a 4-wire + ground requirement?

This answers it. Thank you very much!

JamesAZZO
Sisko | EcoXpert Master Sisko | EcoXpert Master
Sisko | EcoXpert Master
0 Likes
1
320

Re: Which power meters comply with a 4-wire + ground requirement?

What about the PM8000?

VictorMarincus
Sisko Sisko
Sisko

Re: Which power meters comply with a 4-wire + ground requirement?

Hi James,

The PM meters, in general, do not have exposed metallic parts therefore they do not require a grounding to protective earth (PE).