Function	Description&Value
Measurement	Three-phase AC Voltage
Display	LCD display
Communication(Optional)	RS485,Modbus-RTU protocol;(1 start bit,8 data bit,1 stop bit,no parity) Baud Rate 2400/4800/9600/19200 bps etc.
Alarm Output(Optional)	1 channel passive relay,contact capacity 3A/30VDC,3A/250VAC, Used for high,low,unbalance alarm etc.
Analog Output(Optional)	DC4~20mA,( load <500Ω) (note:Shielded wire is specially selected for the above signal input and output)
DI/DO Switching(Optional)	DI (Digital input): 2-channel dry contact digital input with built in power supply DO (Digital output): 2-channel digital output with NO relay contact. Capacity: 3A/30VDC,3A/250VAC

Parameter	Description&Value
Input	Rated Voltage	AC Voltage Input: 400V AC L-L or 660V AC L-L (via direct connetion); 100V AC L-L (via -/100V AC PTs)
	Overload	Voltage input overload:1.2 times rated value(continuous); 10 times rated value /1 second
	Frequency	45~65Hz
	Power Consumption	Power consumption of each voltage input circuit is less than 0.5VA
Accuracy	Voltage Measuring	0.5%
Power Supply	Voltage Range	AC/DC 85-265V
Power Supply	Power Consumption	<5VA
Insulation resistance		≥ 100MΩ
Power frequency withstand voltage		Between power supply set of terminals and signal input,output set of terminals 2kV/1min (RMS) Between the shell and all set of terminals(except the set of terminals reference voltage less than 40V) AC 4kV

Condition	Description&Value
Temperature	Operation: -10℃～+55℃; Storage: -25°C ~+70°C
Humidity	≤95%RH, no condensation,without corrosive gas
Altitude	≤ 2500m

AMC72L-AV3 Three Phase Volmeter Analyzer

Features of AMC72L-AV3 Three Phase Volmeter Analyzer