LE-03MW CT – user manual
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1. Purpose
LE-03MW CT is an electronic, 2-way three-phase electricity meter, designed for measurement
in a semi-indirect system. A built-in real-time clock allows energy consumption to be measured
by different tariff zones. RS-485 with Modbus RTU protocol and optical port compliant with EN62056
(IEC1107) provide remote reading and configuration of the meter.
2. Device characteristics
3-phase, 2-way energy meter;
Semi-indirect current measurement (direct measurement up to 6 A);
Energy measurement in four tariff zones;
Built-in real-time clock with battery backup for switching tariff zones;
Registration of total and tariff-divided consumption of:
• total active and reactive energy;
• active and reactive energy divided into individual quadrants;
8 time schedules that divide the day into tariff zones;
Possibility of billing energy according to different weekday and weekend schedules;
Ability to divide the year into 8 time periods. In each period the energy (for working days) can
be billed according to a different schedule.
Indication of network parameters (voltage, currents, active power, reactive power, apparent
power, power factor, frequency);
Calculation of power demand for individual tariffs;
Additional resettable energy consumption meter;
RS-485 port, Modbus RTU protocol;
Optical communication port compliant with EN62056 (IEC1107);
2 SO pulse outputs with programmable number of pulses per kWh/kVarh;
Multifunctional LCD display.
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