The CA368-WS21 is a multifunctional three-phase meter with embedded communication modules.The meter is used to accurately measure electrical energy for commercial, industrial, and residential customer and is suitable for environments with unstable voltage.
This meter can be used for prepayment (Comply with STS standard) and post payment applications (optional by company), The CA368-WS21 has outstanding anti-tamper feature like terminal cover open detection sensor to help utility for revenue protection. The CA368-WS21 can utilizes PLC, RF or Cable communication to CIU as an option.
Multi-Tariff
DLMS / COSEM
20 digit STS encryption
Tamper detection and record
Import & export measurement
LCD display, read without power
Infrared port / RS485/ RF(optional)
Disconnects on overload and no credit
Programmable power limit and low credit warning
Dual power source swap between grid supply and solar
Maximum demand measurement and load profiling (on request)
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.
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Electrical parameters: |
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Nominal voltage Un |
3x230/240V |
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Limited voltage |
60%~120%Un |
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Frequency |
50/60Hz+5% |
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Basic current(Ib) |
10A |
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Maximum current(Imax) |
100A |
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Starting current(Ist) |
30mA |
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Active energy constant |
1000imp/kWh |
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Accuracy |
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Active energy IEC62053‐21 |
Class1.0 |
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Reactive energy IEC62053‐23 |
Class2.0 |
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Burden |
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Voltage circuit |
<2W <8VA |
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Current circuit |
<1VA |
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Temperature range |
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Operation meter |
25℃ to+70℃ |
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Storage |
40℃ to+85℃ |
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Insulation strength |
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Insulation level |
4kV , 1min |
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Voltage Impulse withstand |
8kV, 1.2/50μs |
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Electro Magnetic Compatibility |
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Electrostatic discharges |
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Contact discharge |
8kV |
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Air discharge |
16kV |
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Electromagnetic RF fields |
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27MHz to 500MHz typical |
10V/m |
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100kHz to 1GHz typical |
30V/m |
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Fast transient burst test |
4kV |
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Mechanical requirements |
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Protection Rating |
IP54 |
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Insulation Classification |
Protective Class II |
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Maximum cable size |
10 mm |
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