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MT358-TS2 3P Split CT Connection Prepaid Smart Meter


The MT358-TS2 three phase CT connection split prepaid smart meter offers outstanding high accuracy measurement, STS prepayment function and complex tariff capabilities for use in both commercial & industrial CT or CT-VT operated applications. The MT358-TS2 meter can operate as a standalone unit or as part of a comprehensive metering, STS prepayment and MDM system.


  • Wide range: 3x57.7/100V~3x240/415V, 1(10)A
  • UIU-Port: PLC or RF communication to UIU
  • Up to 8 comprehensive tariff structure
  • Instantaneous instrumentation values
  • WAN: LTE/3G/GPRS/G3-PLC replaceable module
  • DLMS/COSEM protocol
  • Configurable flexible load profile
  • Internal clock and calendar with battery back-up
  • High security design
  • Anti-tamper and tampering detection
  • Air-upgrade

Remote Comm.


Data Security


Firmware Upgrade

Load Control

Load Profile



Item Sub-item Value
Measurement Active accuracy(kWh) Class0.5S (IEC 62053-22)
Measurement Reactive accuracy(kvarh) Class 2 (IEC 62053-23)
Measurement Measuring and registration Import/Export Wh, varh, VAh; Configuration varh for lagging and leading; Four quadrant reactive varh
Voltage Rated voltage(Un) 3x57.7/100V~3x240/415V
Voltage Working voltage range 3P4W, 3x57.7V/100V: 0.9Un - 1.2Un; 3P3W, 3x100V: 0.8Un - 1.2Un; 3P4W, 3x230/400V: 0.8Un - 1.2Un
Current Basic current(Ib)/ Max. current(Imax) 1(6)A, 1(10)A, 5(6)A, 5(10)A, 5A
Current Starting current 0.001 Ib
Frequency Rated frequency(fn) 50Hz or 60Hz
Power Consumption Voltage circuit 2W/10 VA
Power Consumption Current circuit 0.5 VA
Environmental Influences Operating temperature range -40°C ~+70°C
Environmental Influences Storage temperature -40°C ~+80°C
Environmental Influences Impermeability to IEC 60529 IP54 indoor
Electromagnetic Compatibility IEC 61000-4-2 Electrostatic discharges Contact discharge: 8 kV; Air discharge: 15 kV
Electromagnetic Compatibility IEC 61000-4-3 Electromagnetic RF-fields 10Vm and 30Vm
Electromagnetic Compatibility IEC/CISPR 22 Radio interference suppression class B
Electromagnetic Compatibility IEC 61000-4-4 Fast transient burst test 4kV
Electromagnetic Compatibility IEC 61000-4-5 Surge immunity test 6kV
Insulation Strength Insulation strength 4 kV 50Hz during 1 min.
Insulation Strength IEC 62052-11 Impulse voltage 1.2/50 μs 8kV
Inputs and Outputs Optical test output LED (red): kWh impulses
Inputs and Outputs Meter constant 10000 imp/kWh, 10000 imp/kvarh
Display Type LCD liquid crystal display
Display Backlit With backlit(Option)
TOU Time of use Up to 8 tariffs; 8 time span, 8 typical days, 12 typical weeks, 12 seasons; 200 programmable national holiday and special holidays
Time Clock & Calendar Accuracy 15 Seconds per Month at 23?C
Time Clock & Calendar Backup Time 10 Years without Power (Lithium Battery)
Time Clock & Calendar Daylight Saving Time Option
Time Clock & Calendar Battery 1 Internal battery for RTC; 1 replaceable external battery for power outage display
Communication Interface Optical Interface Optical port IEC 62056-21; Protocol: IEC62056-21 E mode
Communication Interface UIU Interface PLC or RF built-in
Communication Interface Serial Interface RS485(option); Protocol: DLMS HDLC
Communication Interface Remote Interface 3G/GPRS/G3 PLC; Protocol: DLMS TCP/IP
Prepayment STS Token Indicate token success, refuse, used, expired
Prepayment Emergency Credit Short code active emergency credit
Prepayment Friendly time and days Night Time, Weekends and Holidays
Prepayment Balance Alarm Two levels balance not enough alarm
Prepayment Load limit Input power limit value threshold through TOKEN
Auxiliary Terminals Pulse output Active/Reactive impulse output
Auxiliary Terminals Relay output Relay output
Load Profile Channels Up to 24 channels
Load Profile Integration period 1,5,10,15,30,60 minutes
Load Profile Storage 100 Days (24 Channels, 30-Minute Intervals)
Load Profile Capture object Demand(kW, kvar) , Energy(kWh, kvarh), Instantaneous value(V, A, W, PF, Phase angle)
Billing & Max Demand Storage 12 sets of Energy/MD billing data
Billing & Max Demand MD mode Block mode or Slide mode
Billing & Max Demand MD value Time and value of maximum demand, Value of cumulative Max Demand
Antifraud protection Events & Tamper detection Sag/Swell; Meter cover open detection; Terminal cover open detection; Magnetic field influence detection; Battery/clock/memory failure detection; Advanced tamper detection and logging; Pre-programmed alarms for meter self-check
Air-upgrade Air-upgrade Local/remote firmware upgrade
Terminal cover Standard 60 mm free space
Weight and dimensions Dimensions 290mm(H) x 170mm(W) x 82mm(D)
Weight and dimensions Weight approx. 1.8 kg