EMH metering NXT4 User Manual

EMH metering
GmbH & Co. KG
Neu-Galliner Weg 1 • 19258 Gallin
GERMANY
Tel. +49 38851 326-0
Fax +49 38851 326-1129
Email info@emh-metering.com
Web www.emh-metering.com
Tel. +49 38851 326-1930 (Technical Support)
Email support@emh-metering.com
Instructions for use
NXT4
Polyphase meter for commercial, industrial and
extended domestic applications
EN
Version: November 2020; Subject to technical changes
Scope of delivery ............................................................................................... 2
Important information......................................................................................... 2
Target group .................................................................................................. 2
Intended use.................................................................................................. 2
Maintenance and warranty instructions ......................................................... 3
Care and disposal information....................................................................... 3
Basic safety instructions ................................................................................ 4
General description ........................................................................................... 4
Technical data.................................................................................................... 5
Housing, display and control elements .............................................................. 6
Name plate .................................................................................................... 7
LC display ...................................................................................................... 8
Installation and start-up ................................................................................... 10
Mounting the meter ..................................................................................... 10
Connecting the meter .................................................................................. 12
Terminal blocks ............................................................................................ 14
Readout battery (accessory) ....................................................................... 19
Terminal cover ............................................................................................. 19
Abbreviations ................................................................................................... 20
EU Declaration of Conformity .......................................................................... 22
NXT4-BIA-E-1.81

EMH metering NXT4 Specifications

General

Ingress Protection	IP54
Frequency	50 Hz
Current Range	10(100)A (depending on model)
Communication	M-Bus, Ethernet
Display	LCD
Mounting	DIN rail
Standards	IEC 62052-11, IEC 62053-21, IEC 62053-23
Power Consumption	< 2W
Operating Temperature	+70°C

Summary

Scope of delivery

Important information

Target group

Intended use

Maintenance and warranty instructions

Care and disposal information

Basic safety instructions

General description

Technical data

Housing, display and control elements

Name plate

LC display

Installation and start-up

Mounting the meter

Details dimensions and methods for mounting the meter, including different cover types and installation standards.

Connecting the meter

Provides critical safety instructions and procedures for connecting the meter to the electrical system.

Terminal blocks

Transformer connected meter terminal specifications

Specifications for terminal blocks used in transformer connected meters, including dimensions and screw types.

Direct connection (120 A) terminal specifications

Specifications for terminal blocks for meters with direct connection up to 120 A, including dimensions and screw types.

Direct connection (100 A) terminal specifications

Specifications for terminal blocks for meters with direct connection at 100 A (3-phase), including dimensions and screw types.

Readout battery (accessory)

Terminal cover

Abbreviations

EU Declaration of Conformity