Energy meter MT880-T1A22R36S53-E12-V52L81B11-M3K03-M-HXX (0,2s for active energy and 0,5 for reactive energy), including module CM-e-3

Iskraemeco MT880 – High‑Precision Modular Energy Meter
The MT880 is a high‑precision multifunctional electricity meter manufactured by Iskraemeco, designed for industrial and commercial customers. It is suitable for use in distribution networks as well as smart grid infrastructure. The meter is built to ensure highly accurate measurement, reliability, and extensive remote‑management and communication capabilities.

1. General Description
The MT880 is a modular measuring device that can be configured according to project requirements. It supports both direct connection and transformer connection (CT/VT) and is suitable for high-, medium-, and low‑voltage electrical networks.
Key features:
Measures active, reactive, and apparent energy in four quadrants
Suitable for large and medium‑sized consumers (C&I segment)
Supports real‑time smart‑grid data transmission, including events, alarms, and power‑quality indicators
Modular design with interchangeable communication modules (e.g., RS232/485, modems, Ethernet, Modbus)
Fully compliant with international standards (IEC/EN 62052‑31, IEC 62053, etc.)

2. Technical Specifications
Voltage
Nominal voltage Un: 3×110/190 V … 3×240/415 V (varies by version)
Voltage range: 0.8 – 1.15 Un
Current
Nominal current In: 1 A, 1.5 A, 2 A, 5 A, 5//1 A
Base current Ib: 5 A, 10 A
Accuracy Classes
Active energy: Class A, B, C; IEC Class 1 / 0.5S (depending on version)
Reactive energy: Class 1 or 2
Apparent energy: up to 1%
Power Supply
External supply: 57.7–240 V AC/DC
Frequency: 50/60 Hz
Environmental Conditions
Operating temperature: −40 °C … +70 °C

3. Functionality
Measurement and Analysis Functions
Instantaneous values (V, A, kW, kVAR, kVA)
THD and power‑quality indicators (flicker, voltage fluctuations, distortions)
Min/max values
Trend monitoring and load profiles
Energy Measurement
Active and reactive energy registration methods
Supports multiple tariffs (multi‑rate)
Logs and Events
Event log: voltage dips, interruptions, cover opening, etc.
Tamper protection: terminal cover opening, wiring faults, reverse energy flow

4. Communication
The MT880 supports both built‑in and modular communication options:
Standard interfaces:
RS232 and RS485
Optional modules:
4G/NB‑IoT modems
Modbus TCP/IP & RTU
Ethernet
CS (20 mA current loop)

Supported protocols:
DLMS/COSEM
IEC 62056‑21
Real‑time SCADA connections

5. Typical Applications
Large industrial and commercial customers
Transformer substations
Voltage and load monitoring in smart grids
Energy balance calculations
Load‑profile analysis
Integration with solar‑power plants (Photovoltaic ready)

6. Environmental Certifications
The MT880 is equipped with an EPD (Environmental Product Declaration) certificate, confirming transparent assessment of the product’s environmental impact throughout its life cycle.​