
أحادي الطور

Prepaid Dual-source Single-phase Keypad Smart Meter
مقدمة
الميزات الرئيسية
- Dual relay.
- Multi tariff
- DLMS/COESM
- Infrared port/RS485
- Tamper detection and record
- LCD display, read without power
- Double CT for Phase and Neutral line
- Disconnects on overload and no credit
- Prepayment/post-payment mode switching
- Plug& Play module PLC/GPRS/3G/4G/RF
- Programmable load limit & Low credit warning
- Active/reactive energy measurement
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
المواصفات
- Nominal voltage Un
- 230V
- Limited voltage
- 70% ~ 120%Un
- Nominal frequency fn
- 50~60Hz
- Tolerance
- ±5%
- Basic current(lb)
- 5A
- Maximum current(lmax)
- 60A (80/100A optional)
- Starting current(ist)
- 20mA
- Active energy constant
- 1000imp/kwh
- Active energy as IEC62053-21
- class 1.0
- voltage circuit
- <2w <8VA
- current circuit
- <1VA
- operation range
- -25c~+70c
- storage range
- -40c~+85c
- Insulation level
- 4kv rms 1min
- Impulse withstand voltage ing
- 8kv1.2/50us
- Insulation system classification
- protection class Il
- contact discharge
- 8kv
- Air discharge
- 15kv
- 27MHz to500MHz typical
- 10v/m
- 100KHz to1GHz typical
- 30v/m
- Fast transient burst test
- 4kv
- Meter case protection class
- IP54
- Maximum cable size
- 8 mm
معلومات التجارة
- المنشأ
- Shenzhen, China
- العلامة التجارية
- CALIN
التطبيقات
- Residential and commercial electricity metering
- Utility revenue protection and AMI projects






