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title: "Huawei DDSU666-H 1P Smart Power Sensor (1-Phase)"
description: "Class 1 accuracy for Huawei SUN2000-L1 systems. Simple DIN-rail mounting, color-coded wiring, and LCD display. Order at ESTG!"

type: product_page

---

# Huawei Smart Power Sensor DDSU666-H 1P - Art.No.: 20022248

## Specifications

- **Brand**: Huawei
- **HS code**: 85176200
- **Manufactor**: Huawei
- **Net Height**: 100 MILLIMETER
- **Net Length**: 65.5 MILLIMETER
- **Net Weight**: 2 KILOGRAM
- **Net Width**: 36 MILLIMETER
- **Origin**: China
- **System**: Huawei SUN2000
- **Type**: Energy management
- **Warranty in Years**: 2

## Accurate monitoring for Huawei Residential Systems: The DDSU666-H 1P


The **Huawei Smart Power Sensor DDSU666-H** is specifically designed to monitor power flows within residential PV installations. For installers, this single-phase meter is an essential component for systems utilizing energy storage, such as the Huawei LUNA2000. It facilitates seamless communication between the **Huawei SUN2000-L1 inverter** and the battery, providing real-time analysis of all consumption and grid extraction data.


### Key benefits for installers:


- **Maximum Precision:** Class 1 measurement accuracy ensures reliable tracking of energy consumption.
- **Easy Installation:** Compatible with standard DIN 35 mm rail mounting, its compact 36 mm width ensures it fits into almost any distribution box.
- **Error-Free Wiring:** Clear color coding allows for quick and trouble-free connection on-site.
- **User-Friendly LCD:** The built-in LCD screen allows for easy local operation and configuration during commissioning.
- **Highly Efficient:** With an overall power consumption of ≤1W, the sensor is extremely energy-efficient.


Ensure your Huawei installation delivers full insight and performance. Order the DDSU666-H 1P today at ESTG.

## Downloads

- [SmartPowerSensor](https://cdn.estg.eu/p/5/8/6/b/586b05970cc2474dc8fc33ee144ffebf575dc87b_SmartPowerSensor.pdf)
- [DDSU666 H Smart Power Sensor User Manual](https://cdn.estg.eu/p/8/4/6/b/846b8b8d00651cf4f6c0211db61bf985060f3052_DDSU666_H_Smart_Power_Sensor_User_Manual.pdf)