Three Phase Keypad CT Electricity Meter

Three Phase Keypad CT Electricity Meter

Short Description

The CA368-CT57 is a current transformer(CT)operated threephase multi-functions with modular design. The meter isideal for large residential homes, small commercial andindustrial applications. The communication module isexchangeable ,support PLC/RF/. The CA368-CT57 complieswith the DLMS communication protocol. The built-in tariffstructures are supporting active,reactive and apparentmeasurement modes.

Products Details

Main Features
  Multi-Tariff AMl integrate DLMS/COSEM Infrared port/ RS485 20 digit STS encryption Tamper detection and record LCD display, read without power Disconnects on overload and no credit Programmable power limit, Overcurrent, Overvoltage. Maximum demand measurement and load profiling (on request) .lmport & export measurement     Split Configuration for Increased Revenue Protection The meter consists of two parts, the MCU (Metering & Control Unit) and CIU (Customer Interface Unit). The MCU and CIU is linked via galvanically-isolated 2-wire communication cable or RF communication is also available on request. The CIU is installed within consumer’s home for prepaid token input and info inquiry, while MCU is installed in a meter cabinet away from consumers.  
Electrical parameters:
Nominal voltage Un 3×230/240V
Limited voltage 60%~120%Un
Frequency 50/60Hz+5%
Basic current(Ib) 10A
Maximum current(Imax) 100A
Starting current(Ist) 0.4%Ib
Active energy constant 6400imp/kWh
Accuracy
Active energy IEC62053‐21 Class0.5S
Reactive energy IEC62053‐23 Class2.0
Burden
Voltage circuit <2W  <8VA
Current circuit <1VA
Temperature range
Operation meter -25℃to+70℃
Storage -40℃to+85℃
Insulation strength
Insulation  level 4kV , 1min
Voltage Impulse withstand 8kV, 1.2/50μs
Electro Magnetic Compatibility
Electrostatic discharges  
Contact discharge 8kV
Air discharge 16kV
Electromagnetic RF fields
27MHz to 500MHz typical 10V/m
100kHz to 1GHz typical 30V/m
Fast transient burst test 4kV
Mechanical requirements
Protection Rating IP54
Insulation Classification Protective Class II
Maximum cable size 10 mm

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