Three-phase multifunctional electric energy meter with plug-in communication modules, to be mounted in a metering and distribution board.
Can be used for CT and CT/VT connection.
Communication interfaces
Optical port
Wired interface RS-485
Ethernet connection
Radio frequency interface 433 MHz or 2400 MHz
Combined GSM/GPRS + NB-IoT
Main features
Electricity metering on an accrual basis, in total and separately: regardless of the tariff schedule and according to the tariff schedule in effect at the beginning of the day/month
Dual-SIM capability to provide a redundant communication channel
Extended voltage measurement range 0.55 to 1.3 Urated
E-seals on the enclosure and the terminal cover
Transparent terminal cover
Built-in load control relay, hardware lockable
Built-in ionistor redundant power supply unit (optional)
Availability of four discrete inputs and four discrete outputs (optional)
Flexible setting of tariff schedule
Capable of storing the readings at the beginning of the day (for 128 days), at the beginning of the month (for 36 months)
Configurable load profile: besides 30 minutes, averaging interval can be set to 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60 minutes
Supported data transfer protocols: MIRTEK, DLMS, IEC 60870-5-101-2006 and IEC 60870-5-104-2006 (option)
At least 500 event log entries
Specifications
Parameter; Value
Accuracy class for active/reactive energy measurement; 0.2S/1, 0.5S/1, 1/1
Rated voltage; 57.7 V, 220 V or 230 V
Supply voltage range; 0.75 U<sub>rated</sub> to 1.2 U<sub>rated</sub>
Measuring network frequency; (50±7.5) Hz
Basic (rated) current; 1 A, 5 A or 10 A
Maximum current; 10 A, 100 A
Starting current; 1 mA, 5 mA, 12.5 mA
Total (active) power consumed by the voltage circuit of the meter at rated voltage, not to exceed; 10 V·A (2 W)
Total power consumed by each current circuit at basic current, not to exceed; 0.3 V·A
Operating temperature range; -40 to +70 °C
Verification interval; 16 years
Service life, minimum; 35 years
Mean time between failures, minimum; 350,000 hours