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MT318-TS2K 3P Keypad Prepaid Smart Meter


MT318-TS2K three phase keypad prepaid smart meter offers outstanding measurement, STS prepayment function and complex tariff capabilities for use in residential prepaid smart metering applications. The MT318-TS2K meter can operate as a standalone unit or as part of a comprehensive metering, STS prepayment and MDM system.


  • WAN: LTE/3G/GPRS/G3-PLC replaceable module
  • UIU-Port: Option PLC or RF communication to UIU
  • DLMS/COSEM protocol
  • Up to 8 comprehensive tariff structure
  • Configurable flexible load profile
  • Option prepayment function complies with STS protocol
  • 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) Class1 (IEC 62053-21) or Class B(EN50470)
Measurement Reactive accuracy(kvarh) Class2 (IEC 62053-23)
Measurement Measuring and registration Import with reverse blocking; Import/Export; Absolute sum of both directions
Voltage Rated voltage(Un) 3x230V/400V, 3x240V/415V
Voltage Working voltage range 0.5Un - 1.2Un
Current Basic current(Ib)/ Max. current(Imax) 5(100) A
Current Starting current 0.004 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
Inputs and Outputs Optical test output Active energy pulse LED; Alarm LED; Credit LED
Inputs and Outputs Meter constant Out: 1000 imp/kWh
Display Type LCD liquid crystal display
Display Backlit With backlit
TOU Time of use - Up to 8 tariffs; - Up to 8-time span, 8 typical days, 12 typical weeks, 12 seasons; - Up to 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 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
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); Credit balance(kWh)
Billing & Max Demand Storage 12 sets of energy billing data; 12 sets of Max Demand 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
Antifraud protection Anti-Tamper Anti 0.5T Magnetic influence
Air-upgrade Air-upgrade Local/remote firmware upgrade
Terminal cover Standard Up to 60 mm free space
Weight and dimensions Dimensions 291.7mm x 169.4mm x82.2mm
Weight and dimensions Weight approx. 1.8 kg