JN301 three phase smart prepaid keypad meter is composed of measurement, storage module, power module, warning module, main control module, RS485 communication module and optical port, through digit keypad panel, it can achieve many functions. It is advanced, reliable measuring tool.
Basic Functions & Characteristics:
1. Forward & reverse active power measurement
2. Status Detection
3. Storage month active energy for latest 6 months
4. Load control
5. Display readable when power off
6. Overdraft credit
7. Warning output
8. Event recording
9. Plug & play PLC/RF/GPRS communication module
10 .STS certified
The meter can be configurable with a User Interface Unit (UIU), which can be used to purchase electricity and inquiries. The meter and UIU is able to communication via PLC/RF/Mbus communication module.
| Voltage | Rated Voltage(Un) | 3x230V/400V |
| Current | Maximum Current (Imax) | 100A |
| Staring Current | 0.2%Ib | |
| Normal Working Current | 0.2%Ib~100A | |
| Limit working Current | 0.2%Ib~120A | |
| Frequency | Basic Working Frequency | 50Hz |
| Normal Working Frequency | 95%fn-105%fn | |
| Power Consumption | Power consumption for Voltage Circuit | ≤1W/10VA |
| Impulse Constant | Active Impulse Constant | 400imp/kWh |
| Reactive Impulse Constant | 400imp/kvarh | |
| Protection Degree | IP54 | |
| Communication Protocol | DLMS |
