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MID Certified 600A Direct Input DC Energy Meter for EV Charger

MID Certificated

Rated Current 4-600A

Rated Voltage DC 0-1000V

Accuracy Class B (Class 1)

RS485 Communication

Pulse Output

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Describe

Acrel DJSF1352-D-600 is a DIN-rail DC energy meter engineered for 600A EV-charging, photovoltaic, and battery-storage applications. It simultaneously measures, displays, and records DC voltage (0–1000 V), bi-directional current (4–90 A primary, 600 A max), instantaneous power (kW), and cumulative active energy (kWh) with Class-1/B accuracy. A segment LCD and optional DJSF1352-L remote display module provide real-time readings of voltage, current, power, date/time, internal temperature, and both forward and reverse energy registers.

Power-supply flexibility is ensured by a 9–36 Vdc auxiliary input consuming ≤3 W. Two galvanically-isolated RS-485 ports (RJ12 + screw terminals) support Modbus-RTU, DL/T 645-2007, and DL/T-698 protocols, allowing daisy-chain integration with EMS, SCADA, or OCPP back-ends. Programmable pulse outputs (100–300 imp/kWh) enable revenue-grade metering and MID certification workflows.

Designed for harsh environments, the meter withstands –40 °C to +70 °C, 95 %RH non-condensing, 4.4 kV/1 min Hi-Pot, 6 kV surge, and ≥40 MΩ insulation. DIN-35 rail mounting, 0.5 N·m terminal torque, and shielded-twisted-pair cabling instructions simplify installation while minimizing EMI. Parameters—address, baud rate, parity, energy decimals, anti-tamper flags—are password-protected (0001 default) via on-board buttons or remote register writes.

DJSF1352-D-600 delivers reliable sub-metering for solar combiner boxes, DC fast EV chargers, and industrial UPS systems.

Specifications

DJSF1352-D-600		Parameters
Input	Value	Voltage Input DC 0-1000V
		Current Input 4-600A
	Power Consumption	Voltage: ≤0.2VA, current ≤0.1VA
Accuracy		Class B(Class 1)
Function	Display	Segment LCD screen (LCD)
	Communication	RS485
		Modbus-RTU,DL/T 645-2007,DLT698
	Pulse Output	A second pulse output, a energy pulse output
		See the SYS->PLUS display in the meter menu settings. For example: The meter displays 100, which is 100imp/kWH
Power Supply	Voltage range	DC 9—36V
	Power consumption	≤ 3W
Power frequency withstand voltage		Power supply // Signal input / / Other circuits 4.4kV/1min
Impulse withstand voltage		±6KV
Insulation resistance		≥ 40M Ω
Average barrier-free working hours		≥50000h
Environment	Temperature	Working temperature: -40 °C ~ +70 °C; Storage temperature: -40℃~+70℃
	Humidity	≤95%RH, no condensation, no corrosive gas
	Altitude	≤2000m

Dimension & Wiring Diagram

Application Scenario

Renewable Energy

Work Site Application

About Acrel

"Optimized Energy Efficiency, Empower Green Future."

Founded in 2003, Acrel Co., Ltd.【Stock Code: 300286.SZ】 is a high-tech enterprise specializing in energy management solutions and electrical safety. Headquartered in Shanghai, Acrel offers innovative and sustainable solutions for microgrid energy efficiency and electrical safety. With over 600 patents and software copyrights, Acrel has deployed more than 28,000 system solutions globally, forming a comprehensive "cloud-edge-end" energy internet architecture.

Acrel's integrated product ecosystem spans from cloud platform software to end-user components, covering sectors such as power, renewable energy, data centers, smart buildings, transportation, and smart cities. These solutions enable intelligent, real-time energy management, enhancing energy security and reducing operational costs.

The company's production facility, Jiangsu Acrel Electric Manufacturing Co., Ltd., adheres to strict quality standards and environmental guidelines, with advanced testing centers and a commitment to lead-free production processes. Acrel's team of over 500 engineers delivers cutting-edge energy efficiency systems and smart energy solutions.

With a strong domestic presence, Acrel is actively expanding internationally, supported by a global network of sales and technical teams and an e-commerce platform that ensures seamless service experiences worldwide. Acrel is proud to help businesses improve efficiency, reduce consumption, and achieve sustainability goals.

Together, we are building a smarter, greener future.