Huawei DTSU666-HW Smart Power Sensor - Three-phase 80A Class 1
Huawei DTSU666-HW Smart Power Sensor - Three-phase 80A Class 1

Huawei Smart Meter DTSU666-HW Three-Phase 80A Smart Energy Meter

€277.40
Tax included
DTSU666-HW
0768563821141

The Huawei DTSU666-HW Smart Power Sensor is a Class 1 three-phase energy meter, essential for accurately controlling your photovoltaic flows. This smart sensor provides complete visibility of your consumption and grid feed-in, ensuring perfect optimisation of self-consumption.

Accuracy and performance:

  • High precision: Voltage and current measurement to +-0.5% and power measurement to +-1%.
  • Extended range: Direct measurement up to 80 A and line voltage up to 1000 Vac.
  • Easyreading: Integrated display for quick monitoring and intuitive configuration.
  • Connectivity and installation:
    • Industry standard: Communication via RS485 and Modbus-RTU protocol.
    • Flexibility: Compatible with 3-wire (3P3W) or 4-wire (3P4W) networks.
    • Quick installation: Compact format on DIN35 rail.

Energy efficient, with power consumption <1.5W. Robust, operating from -25°C to 60°C, making the DTSU666-HW the number one choice for smart energy management. 

Reference: DTSU666-HW
EAN: 0768563821141

Huawei DTSU666-HW Smart Power Sensor: High-precision three-phase intelligence


The Huawei DTSU666-HW Smart Power Sensoris the essential smart metering solution for three-phase photovoltaic installations. Designed to provide total visibility of your energy flows, this Class 1 sensor combines surgical precision with disconcerting ease of installation.





Optimise your solar self-consumption

Thanks to its RS485 interface and Modbus-RTU protocol, it communicates in real time with your system to maximise the efficiency of your inverter. Whether you want to monitor your consumption or limit grid injection, the DTSU666-HW meets the most stringent requirements.





Key features of the Huawei DTSU666-HW:

  • Cutting-edge accuracy: Voltage and current measurement to +-0.5% for rigorous monitoring.
  • Easy reading: Integrated LCD screen for quick configuration and data verification on site.
  • Simplified installation: Standard DIN rail mounting (DIN35) and 10m RS485 cable included.
  • Scalability: Supports up to 80 A in direct measurement and adapts to industrial installations via external current transformers (CTs).
  • Energy efficiency: Ultra-low power consumption < 1.5W.





Unlimited measurement flexibility

For large-scale industrial installations, the DTSU666-HW adapts to your needs:

  • Extended voltage measurement: Supports over 500 Vac with the addition of an external potential transformer (PT).
  • High-current measurement: Capable of handling over 80 A via an external current transformer (CT).





Technical specifications – Huawei DTSU666-HW
Power grid type 3P4W / 3P3W
Voltage range (line) 90 Vac ～ 1000 Vac (>500V with external PT)
Voltage range (phase) 52 Vac ～ 577 Vac
Direct measurement current 0 ～ 80 A (Expandable via external CT)
Measurement accuracy Class 1 (Energy $\pm1\%$, Voltage/Current $\pm0.5\%$)
Communication protocol Modbus-RTU via RS485
Transmission speed (baud rate) 4800 / 9600 / 19200 / 115200 bps
Dimensions (H x W x D) 100 x 72 x 80 mm
Operating temperature -25℃ ～ 60℃
Weight (including cables) < 0.5 kg





Why choose the DTSU666-HW for your installation?

  • Class 1 accuracy: Benefit from cutting-edge measurement accuracy for optimal energy flow management.
  • Instant reading: Its built-in LCD screen allows you to set and check your data at a glance in the field.
  • Simplified installation: Designed for quick mounting on a DIN35 rail, it fits perfectly into any standard electrical panel.
  • Total versatility: Compatible with 3-wire (3P3W) and 4-wire (3P4W) three-phase networks.
  • Ultra-low power consumption: Remarkable energy efficiency with a power consumption of just 1.5W.





Our expert advice:

The DTSU666-HW is an essential companion to Huawei inverters, ensuring smooth communication and accurate energy saving reports. Remember that for indirect measurements (via PT or CT), it is recommended to use accessories with a precision higher than Class 0.5 to maintain the integrity of your data.





FAQ - Huawei DTSU666-HW Smart Power Sensor

1. What is the measurement accuracy of the DTSU666-HW? +
This sensor is a Class 1 device offering surgical precision. It measures voltage and current to within ±0.5%, ensuring rigorous monitoring and optimal performance of your self-consumption installation.
2. Is the meter easy to install in an electrical panel? +
Yes, installation is simplified thanks to its standard DIN rail (DIN35) mounting. In addition, it comes with a 10-metre RS485 cable to facilitate immediate communication with your Huawei inverter.
3. Can currents above 80 A be measured? +
The DTSU666-HW supports up to 80 A in direct measurement. For larger industrial installations, it is scalable and can handle higher currents by adding external current transformers (CTs).
4. Does this sensor consume a lot of energy? +
No, it is remarkably energy efficient. Its own consumption is ultra-low, less than 1.5 W, which does not impact the overall performance of your photovoltaic system.
5. How can I check the data directly on the device? +
The DTSU666-HW is equipped with a built-in LCD screen. This allows for easy reading, quick configuration and instant verification of energy flow data directly at the installation site.
DTSU666-HW

Specific References

UPC
768563821141
EAN13
0768563821141

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