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Description
| Property | Value |
|---|---|
| Model | DTSU666-H 250A/50mA |
| Measurement range | 0–250 A |
| Rated voltage | 230 V AC / 400 V AC |
| System type | 3P4W / 3P3W |
| Accuracy class | Class 1 |
| Phase voltage measurement range | 176 V – 288 V |
| Line voltage measurement range | 304 V – 499 V |
| Frequency measurement accuracy | ±0.01 Hz |
| Current measurement accuracy | ±1 % |
| Voltage measurement accuracy | ±0.5 % |
| Communication interface | RS485 |
| Communication protocol | Modbus-RTU |
| Baud rate | 9600 bps |
| Operating temperature range | –25 °C – +60 °C |
| Storage temperature range | –40 °C – +70 °C |
| Operating humidity | 5 % – 95 % RH (non-condensing) |
| Storage humidity | 5 % – 95 % RH (non-condensing) |
| Dimensions (W × H × D) | 100 × 72 × 65.5 mm |
| Weight (with cables) | 1.5 kg |
| DIN rail mountable | Yes (DIN35 standard) |
| Power supply | Mains voltage |
| Power consumption | ≤ 1 W |
| LCD display | Yes |
| RS485 cable length | 10 m |
| Current transformers (CT) | 3 pcs 250 A / 50 mA (5 m length) |
| Product family | Smart meter / sensor |
| Phases | Accessories |
Manufacturer
Huawei, as a global leader in ICT and network energy solutions, serves over 3 billion people worldwide.
With nearly 194,000 employees, the company operates in more than 170 countries and regions. Over the past decade, Huawei has invested more than USD 70 billion in development and continues to pursue customer-centric innovation, committed to enhancing the customer experience and delivering top-quality products and services.
Huawei offers leading intelligent PV solutions, backed by over 30 years of expertise in digital information technology. As the world’s largest inverter supplier from 2015 to 2021 — for six consecutive years — Huawei is committed to building efficient, smart, safe, reliable, and grid-supporting photovoltaic systems.
