legrand 4 121 75 Connected Three Phases Energy Meter Installation Guide

: June 16, 2024
: Legrand

Table of Contents

Installation Instructions
Composition
Imperative security precaution
EU SIMPLIFIED DECLARATION OF CONFORMITY
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

legrand 4 121 75 Connected Three Phases Energy Meter

Installation Instructions

Requires the installation of a:

Gateway module

OR

Connected Starter Pack “… with Netatmo”

OR

Any kind of « With Netatmo » gateway

Composition

Connected three-phases energy meter

Measurement closed coils

Pay attention to the direction of the current.

Not supplied:
Possibility to use the extension kit (+ 1 or 3 meters) : 4 149 15/16

CE Directive
Compliant with the following European directive:
Low voltage directive (LVD) 2014/35/UE
Electromagnetic compatibility (CEM) n° 2014/30/UE

Module + Coil (without extension kit)

|

U

|

I
measure

| |

Accuracy of measuring chain*

|

Measure

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-5°C
+45°C

|

110-500V~ 50 / 60Hz

|

From 2A to125A by Phase

|

2,4 à 2,4835Ghz <100 mW

|

+/-1% under 125A

|

Global or per circuit

Imperative security precaution

The instructions for installation and use must be strictly observed in order to avoid the risk of electric shock or fire.

Preparation, connection

Turn off the power at general circuit breaker.

Wiring

To be used only on a three-phases network

Pay attention: Respect the order of the phases indicated on the connector.

Pay attention: Indication of the coils number I1, I2 and I3 must meet the number of each measured phase.

The module is powered from 100 to 240V~ between Neutral (N) and Phase 3 (V3)

A three-phases circuit breaker with a rating of C2 to C16 is required according on the section of cable used, to supply and protect the connected three-phases energy meter.

N (neutral) = Blue
N (neutral) = Blue
N (neutral) = Blue
L3 (phase3) = Grey

Add the three-phases energy meter in a connected installation

Turn off the power at general circuit breaker

Turn on the power at the general circuit breaker once the installation completed and controlled*

After wiring the system, replace the modular front plate, so that no active live part under tension is accessible.

Finalize the installation in the Legrand Home + Control app

Download the Home + Control App and follow the instructions for adding the connected product in your setup.

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Connected three-phases energy meter resetting to remove it from a connected installation

Press and hold over 5 seconds on the setting button until the LED on the setting button be fixed red. It is no longer paired with the gateway. (Gateway module / Gateway power outlet,…)

http://www.legrand.fr/reference/412175
LEGRAND – Pro and Consumer Service – BP 30076
87002 LIMOGES CEDEX FRANCE • www.legrand.com

EU SIMPLIFIED DECLARATION OF CONFORMITY

The undersigned,
Legrand declares that the radio equipment listed on this instruction sheet are compliant to the directive 2014/53/UE.
The full text of the EU declaration of conformity is available at the following website: www.legrandoc.com