The CA168-MJ01 is a multi-function single-phase smart meter with embedded communication. The meter is used to measure electrical energy accurately for commercial and residential customers. The CA168-MJ01 can be applied to payment (STS compliant). The communication with an optional external keypad (customer interface unit CIU) can be done via power-line communication(PLC), radio frequency(RF) or by cable connection.
Main Features
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.
Electrical parameters: | ||
Voltage | ||
Nominal voltage Un |
230V |
|
Limited voltage |
70%~120%Un |
|
Frequency |
|
|
Nominal frequency fn |
50-60Hz |
|
tolerance |
5% |
|
Current | ||
Basic current(Ib) |
5A |
|
Maximum current(Imax) |
60A (100A optional) |
|
Starting current(Ist) |
0.4%Ib |
|
Active energy constant |
1000imp/kWh |
|
Measurement Accuracy | ||
Active energy to IEC62053-21 |
Class1.0 |
|
Burden |
|
|
Voltage circuit |
<2W <8VA |
|
Current circuit |
<1VA |
|
Temperature range | ||
Operation meter |
-25℃ to+70℃ |
|
Storage |
-40℃ to+85℃ |
|
Insulation | ||
Insulation level |
4kV rms 1min |
|
Voltage impulse withstand |
8kV 1.2/50 μs |
|
Insulation System Classification |
Protective Class II |
|
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 | ||
Meter shell Protection Rate |
IP54 |
|
Insulation System Classification |
Protective Class II |
|
Maximum cable size |
8 mm |
|
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