This is the Input descriptions in the Multi Function (NEMO96HD + (MF96021 :
Single-phase and three-phase network connection is done by 3 or 4 wire three-phase voltage to 400 volts and can be phase-to-phase voltage of 80 to 690 volts and can be single-phase 230 volts.
The current capacity is 1 to 5 amps and can not tolerate the current size and power frequency of 50 Hz.
Features :
Size 96 x 96 mm and has a multi-function LCD display
It has 4 holes to plug into modules RS485 MODBUS PROFI BUS
Single-phase and three-phase model that has 3 or 4 wire unbalanced load performance