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ISKRAEMECO MT880-T1A32R46S43-E12-V52L81B11-M3K03-M User Manual

ISKRAEMECO MT880-T1A32R46S43-E12-V52L81B11-M3K03-M
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MT880
Installation and maintenance manual

Table of Contents

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ISKRAEMECO MT880-T1A32R46S43-E12-V52L81B11-M3K03-M Specifications

General IconGeneral
CategoryMeasuring Instruments
ModelMT880-T1A32R46S43-E12-V52L81B11-M3K03-M
ManufacturerISKRAEMECO
Voltage3x230/400 V
Accuracy ClassClass 1
Frequency50 Hz
DisplayLCD
ProtectionIP54
Operating Temperature-25°C to +55°C
Storage Temperature-40°C to +70°C
Current5(100) A
CommunicationGSM/GPRS

Summary

1. SAFETY INFORMATION

1.1. Responsibilities

Defines owner and personnel responsibilities for safe meter installation, handling, and maintenance.

1.2. Safety instructions

Provides critical safety guidelines for meter handling, mounting, installation, and maintenance procedures.

2. METER TECHNICAL INFORMATION

2.1. External and fixing dimensions

Details the physical dimensions, fixing methods, and IP protection level of the MT880 meter.

2.2. Name plate

Explains the data and symbols found on the MT880 meter's name plate for identification.

2.3. Connection diagrams

Illustrates various 3-phase network connection diagrams, including CT/VT and direct connection types.

2.4. Voltage and current connection

Specifies the allowed voltage ranges and nominal frequency, and current limits for MT880 meters.

2.5. External power supply

Describes external power supply options and terminal connections for specific MT880 meter versions.

3. METER DESCRIPTION

3.1. Terminal block – modular version

Details the terminal block layout, inputs, outputs, relays, and communication module connections for the modular version.

3.2. Terminal block – integrated version

Describes the terminal block for the integrated version, featuring RS485 interfaces and modem power supply.

3.3. Terminal block of direct connected meter D2

Explains the terminal block for the direct connected meter D2, including separation using a UI splitter.

3.4. COP5 cover

Covers the optional COP5 cover for securing main terminals, preventing unauthorized access while allowing access to other ports.

3.5. Label for CT/VT ratio, manual billing reset button

Details the placement and function of labels for CT/VT ratio and the manual billing reset button on the meter.

3.6. LCD display

Explains the MT880 meter's LCD segments, fields, indicators for voltage, current, energy flow, and notifications.

4. METER INSTALLATION

4.1. Fixing meter on the surface

Describes the procedure for mounting the MT880 meter on a surface using screws and its adjustable hanger mechanism.

4.2. Preparing of cables

Provides instructions on preparing cables for connection, including insulation stripping, ferrule usage, and cable cross-sections.

4.3. Wiring of meters

Outlines the step-by-step wiring process for connecting the MT880 meter, including SIM card, antenna, and final sealing.

5. CHECKING METER FUNCTIONS

5.1. Errors

Classifies meter errors by severity (Fatal, Critical, Non-critical) and provides required actions for each type.

6. METER OPERATION MONITORING

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