
Single phase

Split-Type Three-Phase Prepaid Smart Meter With Keypad (STS Compliant)
Introduction
Key Features
- .Multi-Tariff
- DLMS/COSEM
- STS prepayment
- 20 digits STS encryption
- Tamper detection and record
- LoraWan centralized collecting
- Slim-line and space-economy design
- Disconnect on overload and no credit
- Programmable load limit and low credit warning
- Infrared port/RS485/virtual token carrier(optional)Surge protection for lightening and other line surges
- Up to 13kV/6.5kA surge protection for lightening and other line surges
- CIU by PLC/RF/ Cable (optional)
Split Configuration for Increased Revenue Protection
The CIU (Customer Interface Unit) is optional. The MCU (Metering & Control Unit) and CIU is linked via Mbus 2 wires communication, galvanically-isolated PLC or RF wireless communication, the communication method is on request.
The CIU is installed within consumer’s home, while MCU is installed in a meter cabinet away from consumers.
Parameters
Electrical parameters:VoltageNominal voltage Un230VLimited voltage70%~120%UnFrequencyNominal frequency fn50-60Hztolerance5%CurrentBasic current(Ib)5AMaximum current(Imax)60A (100A optional)Starting current(Ist)0.4%IbActive energy constant1000imp/kWhMeasurement AccuracyActive energy to IEC62053-21Class1.0BurdenVoltage circuit<2W <8VACurrent circuit<1VATemperature rangeOperation meter-25℃ to+70℃Storage-40℃ to+85℃InsulationInsulation level4kV rms 1minVoltage impulse withstand8kV 1.2/50 μsInsulation System ClassificationProtective Class IIElectro Magnetic CompatibilityElectrostatic dischargesContact discharge8kVAir discharge16kVElectromagnetic RF fields27MHz to 500MHz typical10V/m100kHz to 1GHz typical30V/mFast transient burst test4kVMechanical requirementsMeter shell Protection RateIP54Insulation System ClassificationProtective Class IIMaximum cable size8 mm






