The Huawei DTSU666-H (250A/50mA) is a high-precision three-phase digital energy meter designed for monitoring, measuring, and managing energy flow in solar and hybrid power systems. Engineered for seamless integration with Huawei SUN2000 series inverters, this smart meter provides real-time measurement of voltage, current, active/reactive power, and energy consumption through RS485 Modbus RTU communication.

Equipped with external current transformers (CTs) rated at 250 A / 50 mA, the DTSU666-H offers accurate performance in both residential and commercial PV installations. Its compact DIN-rail design and LCD display make it easy to install, configure, and maintain.

🔄 Condition: Used
🛠 Warranty: 6 months by Green Energy

⚙️ Technical Specifications:

• Model: DTSU666-H (250A / 50mA)
• Manufacturer: Huawei Technologies Co., Ltd.
• Type: Smart three-phase AC energy meter
• Measurement Range: Up to 250 A (via CT)
• CT Ratio: 250 A / 50 mA
• Voltage Range: 3 × 230/400 V AC
• Frequency: 50 / 60 Hz
• Accuracy Class: Active energy Class 1
• Communication: RS485 Modbus RTU
• Display: Backlit LCD (real-time data)
• Mounting: DIN-rail (4 modules)
• Operating Temperature: -25 °C to +60 °C
• Protection Class: IP51 (front)
• Certifications: CE, MID, RoHS compliant
• Compatibility: Huawei SUN2000 inverter series and SmartLogger

📌 Key Features:
✔️ High-accuracy 3-phase metering up to 250 A
✔️ Fully compatible with Huawei SUN2000 PV inverters
✔️ RS485 Modbus RTU communication for smart monitoring
✔️ Compact DIN-rail housing with clear LCD display
✔️ Easy installation with external CTs (included)
✔️ Ideal for residential, commercial, and industrial PV systems

🚀 Enable precise energy monitoring and smart control in your solar installation with this original Huawei DTSU666-H 250A/50mA energy meter