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.
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 |
3x230/240V |
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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