multi tariff din rail energy meter

Standard complianceIEC62053-21:2003EN50470-3EN50160Specifications AccuracyVoltage ,Current ±0.2%Active power Reactive power Apparent power ±0.5%Frequency ±0.2%Active energy ±1% Reference Voltage ( Un)230/400V AC (3 )Operating Voltage161/279 - 300/520V AC (3 )Impulse Voltage6kV -1.2μS waveformBattery Voltage3.6V DC, ≥1.2AhRated Current (Ib )1.5 /10 AMaximum Rated Current (Imax)6 /100AOperating Current Range0.4% Ib ImaxOperating Frequency Range50Hz± 10%Internal Power Consumption<2W/10VAOperating Humidity range<75%Storage Humidity range<95%Operating Temperature range-10º C +50º CStorage Temperature range-30º C - +70º COverall dimensions(mm)130×126×65Weight(kg)about 0.7kg (net)CT Changing-RatioFully Programmable( 27 ratios)Communication portRS485 and Far infrared portClock accuracy≤0.5S (every 24 hours)Tariff number4Time segments10Demand cycle5/10/15/30/60 optionData saveMore than 20 yearsProtocolMODBUS RTUFeatures≥DIN rail mountingMeasurement quantities: voltage, current, power, frequency, power factor, active energy, and etc.4 TOU rates ,10 time segmentsRegister of maximal demand With RS485 and Far-infrared communication portModbus communication protocol5A CT version for measuring with current transformers available27 CT Changing-Ratios to choose