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Acrel Acrel ADL200W Single-Phase Wireless Anti-Backflow Meter

Name: Acrel ADL200W Single-Phase Wireless Anti-Backflow Meter
Brand: Jiangsu Acrel Electrical Manufacturing Co., LTD.

ADL200W and ADL400W series DIN rail-mounted dual-circuit external CT energy meters are intelligent meters designed primarily for the backflow prevention needs of residential photovoltaic and energy storage applications. These products feature fast response, small size, dual-circuit operation, easy installation, phase sequence self-adjustment, and wireless communication. They can be widely used in residential energy storage systems, integrated photovoltaic and energy storage systems, dual-inverter hybrid systems, and balcony photovoltaic systems.

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Specifications of Acrel ADL200W Single-Phase Wireless Anti-Backflow Meter

Function	Descriptions
Electric energy metering	Active energy metering (forward and reverse)
	Reactive energy metering (forward and reverse)
	Split-phase energy
Electric quantity measurement	U, I
Electric quantity measurement	P, Q, S, PF, F
Communication	RS485 、Wi-Fi 、Lora

Item			Performance Parameters
Model Series			ADL200W	ADL400W
Measurement	Grid		Single-phase	Three-phase four-wire
	Voltage	(Unom) Nominal voltage	230V	3×230/400V
		Input Range	0.8Unom ~ 1.2Unom
		Overload	1.2 times rating (continuous) 22 times the rating for 1 second
		Power consumption	<2w, <10VA
		Accuracy class	Error ±0.5%
	Current	Minimum current (Imin)	0.3A
		Transitional current (Itr)	1.5A
		Basic current (Ib)	30A
		Maxinum current (Imax)	D16: Imax = 120A
		Short-term overcurrent	30 times the maximum current for 20ms
		Power consumption	<1W, <1VA
		Accuracy class	Error ±0.5%
	Power		Active, reactive, apparent power, error ±1.0℅
	Grid frequency		50Hz, error ±0.5%
	Response rate		50ms (voltage, current, power)
	Installation category		CAT III
	overvoltage level		OVC III
Metering	Active electric energy		Class 1or B
electromagnetic compatibility			E2
Security		Power frequency withstand voltage	Between communication and signal input, AC3kV 1min
		Insulation resistance	Input and output terminals to casing >100MΩ
Communication		RS485 interface	Modbus RTU protocol; addr:1~ 247;Baud rate:1200bps-38400bps
		Wi-Fi	Protocols: Modbus-TCP, http, etc. Operating frequency band: 2.4GHz
Environment		Operating temperature range	-25℃~+55℃
		Operating temperature range	-40℃~+70℃
		Storage temperature	-40℃~+85℃
		Relative humidity	≤95% (without condensation)”Not suitable for damp environments”
		Altitude	≤2000m
IP rating			IP20 on terminal strip without protective housing and IP51 in protective housing, per IEC 60529
Pollution Degree			II
UC Degree			III
Installation environment			Indoor use
Protect Degree			Class II (Double Insulation)
usage environment			Cabinet mounted (The outer shell cannot be touched)
usage environment			M1
Transformer Safety Characteristics			Insulation resistance: greater than 1000 MΩ under normal conditions; Electric strength resistance: It can withstand 4000V, 50Hz power frequency for 1 minute；Flame retardancy: Conforms to UL94-V0 level
Reference standard	EN IEC 61010-1:2010 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements EN IEC 61010-2-030:2010 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-030: Particular requirements for equipment having testing or measuring circuits EN IEC 61326-1:2021 Electrical equipment for measurement, control, and laboratory use - EMC requirements – Part 1: General requirements EN IEC 61326-2-1:2021 Electrical equipment for measurement, control, and laboratory use - EMC requirements – Part 2-1: Particular requirements for electromagnetic compatibility testing for electrical equipment for measurement, control, and laboratory use EN 50470-3 Electricity metering equipment (a.c.) - Part 3: Particular requirements - Static meters for active energy (class indexes A, B and C)