Technical Specifications

Electrical Characteristics

Type of measurement	RMS including harmonics on AC system, support 1P2W, 3P3W, 3P4W
Measurement accuracy
Voltage, Current	Class 0.5, according IEC 61557-12
Active power	Class 0.5, according IEC 61557-12
Reactive power	Class 2, according IEC 61557-12
Apparent power	Class 1, according IEC 61557-12
Active energy	Class 0.5S, according IEC 62053-22, IEC 61557-12
Reactive energy	Class 2, according IEC 62053-23, IEC 61557-12
Power factor	Class 1, according IEC 61557-12
Frequency	Class 0.2, according IEC 61557-12
Harmonic distortion	Class 2, according IEC 61557-12
Data update rate	1 second. Optional 100 ms
Input-Voltage
Rate voltage (Un)	230 Vac (L-N) / 400 Vac (L-L)
Measured range (Direct connection)	30 to 300 Vac (L-N), 30 to 500 Vac (L-L)
PT primary	30 to 500000
Impedance	1MΩ
Frequency range	45 to 65 Hz
Overload capacity	2*Un for 1 second
Input-Current
CT2 (Secondary)	1A or 5A Optional: 100mA, 100mV
CT1 (Primary)	1 to 9999 A
Measured range	0.003 to 6 A, basic current (Ib) is 5A
Impedance	<0.01 ohm
Overload capacity	120A for 0.5 second
Auxiliary power supply
Operating range	80 ~ 300 Vac / 100 ~ 420 Vdc
Frequency	45 ~ 65 Hz
Power consumption	< 4VA/0.5W
Pulse output
Interface type	Open collector optocoupler
Pulse constant	Per pulse equal 0.001/0.01/0.1/1/10/100 kWh/kvarh (Configurable)
Pulse width	60/100/200 milliseconds (Configurable), default is 100milliseconds
Pulse output type	Import/export/total active energy, Import/export/total reactive energy (Configurable)
Class	Class A, according IEC 62053-31
Input voltage	5 ~ 27 Vdc
Pulse indicator light on the panel	Pulse constant is 5000imp/kWh, Represents the total active energy of the secondary side
Real-time clock accuracy	0.5 s/d

Mechanical

IP Degree of Protection (IEC 60529)	Designed to IP51 front display, IP30 meter body
Dimensions (W X H X D)	72 x 100 x 66 mm
Mounting Position	DIN Rail mounting
Material of meter case	UL 94 V-0
Environmental Characteristics
Operating Temperature	-25 to +55℃
Storage Temperature	-40 to +80℃
Humidity	< 90%, non-condensing
Pollution Degree	2
Altitude	Up to 2000m
Vibration	10 Hz to 150Hz, IEC 60068-2-6

Electromagnetic

Electrostatic Discharge	Level 4, according IEC 61000-4-2(1)
Immunity to Radiated Fields	Level 3, according IEC 61000-4-3(1)
Immunity to Electrical Fast Transients	Level 4, according IEC 61000-4-4(1)
Immunity to Surges	Level 4, according IEC 61000-4-5(1)
Immunity to Conducted Disturbances	Level 3, according IEC 61000-4-6(1)
Immunity to Magnetic Fields	IEC 61000-4-8(1)
Immunity to Voltage Dips	IEC 61000-4-11(1)
Radiated Emissions	Class B, according EN55011
Conducted Emissions	Class B, according EN55011
Harmonics	IEC 61000-3-2(1)
(1): The experimental test is carried out according to the grade requirements of industrial grade products in IEC61326-1

Safety

Measurement Category	CAT III, according IEC 61010-1
Overvoltage Category	CAT III, according IEC 61010-1
Insulation	AC Voltage Test: 4kV for 1 minute
Impulse Voltage Test	6kV - 1.2/50µS waveform
Protective Class	II, according IEC61010-1

Communications

Interfaces standard and protocols	2-wire RS485, Modbus RTU Optional: MBus
Baud rate	1200 to 38400 bps, default is 9600 bps
Parity bit	None, Even, Odd, default is None
Stop bit	1 or 2, default is 1
Response time	<100ms
Transmission mode	half-duplex
Transmission distance	Up to 1000m
Max. Bus loading	64 pcs

LoRaWAN

Frequency	EU868
Mode	OTAA or ABP (Class C)
Antenna	Internal
Auto Upload	Max. 100 parameters
Auto upload interval	Configurable

Certifications

• MID Module B+D

• IEC/EN62052-11

• EMC - EN61326-1 / EN61326-2-3

• LVD - EN61010-1 / EN61010-2-3