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RS485 Three Phase Electric Meters 3P3W Energy Meter Multi Tariff Active Energy Measure
The 3P meter integrates high precision metrology with diversity of wireless communication technology completed in a plug & play module unit, allowing it to be utilized as element of AMR AMI solution. It operates in three phase four wire and three wire network. And it is with anti-tamper functions and completed in a BS 5685 footprint case. The meter is mainly used for commercial and inustrial environments.
The meter works with a modular design of wireless communication. A utility and service provider can select from various communication modules to setup their AMR AMI facilities. The module unit is replaceable and easy to repair.
Featured functions
■Active and reactive energy measurement in both directions
■ Load profiling and Maximum demand recording at programmable intervals
■Flexible swap between credit and prepayment mode
■ Full spectrum of metrological measurement of V, A, P, PF, etc.
■Available for both direct and CT/VT connection
■Available for both four wires and three wires network
■Adjustable power limit
■Optical and RS485 com port
User benefits
1) All-in-one instrumentation
2) Low operational and deployment cost
3) Allows for multi-rate and usage register on TOU basis
4) Setting for tariff, emergency unit, load limit, surchages, debt collection, etc.
5) Anti-tamper: earthing, cover open, bypass, etc
6) Broad metrological range to reduce inventory cost
Specifications:
Electrical parameters |
|
---|---|
Nominal voltage Un |
3x 220/230/ 240V |
Limited voltage |
60%~120%Un |
Frequency |
50/60Hz+5% |
Basic current(Ib) |
5A |
Maximum current(Imax) |
100A |
Starting current(Ist) |
30mA |
Active energy constant |
400imp/kWh |
Accuracy |
|
Active energy to IEC62053‐21 |
Class1.0 |
Reactive energy to IEC62053‐23 |
Class2.0 |
Power Consumption |
|
Power consumption in Voltage circuit |
<2W <8VA |
Power consumption in current circuit |
<1VA |
Temperature range |
|
Operation meter |
25℃ to+70℃ |
Storage |
40℃ to+85℃ |
|
|
Insulation strength |
|
AC Insulation strength |
4kV at 50Hz during 1min |
Impulse voltage 1.2/50μs mains connections |
8kV |
|
|
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 |