1. DIN rail, small size and easy installation
2. When any two of phase A B C are powered off, the energy meter can still work normally
3. Has the function of selling electricity remotely
4. Communication method: RS485, infrared
5. Has the function of multiply tariff(variable rate)
6. Can display total power consumption, current, voltage, power, power factor, etc.
7. The warning light may illuminate when pressure has dropped