| Performance Characteristics | |
| High precision measurement of three phase voltage, three phase current, active power, reactive power, apparent power, power factor, frequency of electric parameters | |
| Forward and reverse active or reactive energy measurement | |
| Division of electric energy metering, time-sharing power timing meter reading | |
| Measurement of three-phase voltage, three-phase current total harmonic distortion (THD), 2-31 odd harmonic component | |
| Provide the digital tube display, local data query | |
| Menu button intuitive, simple operation | |
| Current, voltage gain programmable setting | |
| Programmable voltage ratio | |
| Support for fire control, remote cut off the fault circuit | |
| Provide multiple loop control nodes, can be used for the alarm, trip control | |
| Support for RS-485 communication, Modubus-RTU protocol | |
| Support for switching input, output, analog quantity transmitting output | |
| Convenient installation, wiring is simple, small engineering quantity | |
| A wide range of AC/DC power supply: AC/DC 80-270V | |
| To be completed by SCADA, PLC in a variety of communications software network | |
| Technical Index | |
| |
| Accuracy of measurement | voltage level 0.5, current level 0.5, active power 0.5, reactive power level 0.5,Frequency ±0.02Hz, active electric energy class 0.5s or class 0.2s, reactive energy grade 1 or grade 2, power factor 0.5 | |
| Singal input | Connection mode of four phase three wire, three phase three line | |
| | Rated voltage of AC 57.7V, AC 100V, AC 220V, AC 380V | |
| | Over load 1.2 times ( Continued ), 2 times / second ( instantaneous ) | |
| | Power <1VA/ phase | |
| | Impedance >300KΩ, current: <20mΩ | |
| | The frequency of 45~65Hz | |
| Auxiliary power supply | Working range of AC/DC 80V~270V | |
| | Power consumption <4VA | |
| Function module | Communication interface 1 way RS-485 communication, Modbus-RTU protocol | |
| | Baud rate: 1200~9600bps, the default 2400bps | |
| | Switch input support 4 stem node input | |
| | The switch output support 3 relay output, capacity: AC 250V/5A, DC 30V/5A | |
| | Transmission output support 3 analog output: 0/4~20mA or 0~5/10V | |
| Environment | Working temperature:-10°C ~+55°C | |
| | Storage temperature:-25°C ~+70°C | |
| | Relative humidity is less than 93%, no corrosive gas | |
| | Elevation≤2500m | |
| Safety | Insulation resistance >100MΩ | |
| | AC withstand voltage AC 2KV | |
| Electromagnetic compatibility | ESD level 4 | |
| | Electrical fast transient burst level 4 | |
| Selcction of Specification | |
| Intelligent Digital Three phase Multifunctional Monitoring Meter(9999 display programmable) | |
| Model NO. | Display | Frame size(mm) | Hole size(mm) | Remark | |
| CN-3D2 | Specialized LED | 120*120 | 111*111 | | |
| CN-3D3 | Specialized LED | 96*96 | 92*92 | | |
| CN-3D7 | Specialized LED | 80*80 | 76*76 | | |
| CN-3D6 | Specialized LED | 72*72 | 68*68 | | |
| CN-3D8 | Specialized LED | 48*48 | 45*45 | | |
| Extended Modules: | |
| AC/DC power supply(switching power supply)$4 | |
| AO: $7 more for each stem node | |
| DI: $4 more for each stem node | |
| DO:$4 more for each stem node | |
| “*” means unconventional products of our corporation | |
