[TPM-CT-E(250A)] Growatt 3-Phase smart meter

3-Phase smart meter
Dimension (W/D/H) 94.5/72/65mm
Weight 220
Mounting type DIN rail 35mm 
Operating temperature range -25°C ~55°C
Storage temperature range -40°C ~70°C
Operating humidity 0 ~ 90%
Environment protection rating IP51
Power Supply
Power grid type 3P3W/3P4W
Input voltage range 173 to 480 VAC (3P3W)L-L 100 to 276 VAC (3P4W)L-N 
Frequency 50/60Hz
Measurement Range
Voltage accuracy 0.2%
Current accuracy 0.2%
Power accuracy 0.5%
Frequency accuracy 0.2%
Communication
Interface RS485
Baud rate 9600
Communication protocol Modbus RTU 
CT Information 
Communication cable RS485 Cable (15m) 
CT number 3*CT
Maximum detection 250A 
Inner diameter 30*20mm/1.17*0.78inch