# Huawei | Smart Power Sensor | DTSU666-HW

- **Brand:** Huawei
- **SKU:** 570-68972568a401b
- **GTIN:** 2000001286869
- **MPN:** DTSU-HW
- **Price:** 169.00 EUR
- **Availability:** In stock
- **Categories:** Accessories

Three-phase smart power sensor for photovoltaic monitoring systems. Supports RS485 Modbus communication and accurate measurement of voltage, current, and energy consumption.

The **Huawei DTSU666-HW Smart Power Sensor** is a three-phase energy meter designed for accurate monitoring of electrical parameters in photovoltaic and energy storage systems. It measures power consumption, grid import and export, and overall energy flow to optimize solar self-consumption and system performance.

The device provides precise measurement of voltage, current, power, energy, and frequency, enabling reliable energy monitoring in residential and commercial installations. It is commonly used with Huawei SUN2000 inverters for advanced system control and energy management.

### **Accurate Energy Measurement**

1. Measures voltage, current, power, and energy consumption
2. Supports monitoring of grid import and export energy
3. Provides Class 1 measurement accuracy
4. Ensures reliable energy data for solar systems

### 


### **Smart Monitoring and Communication**

1. RS485 communication interface
2. Supports Modbus-RTU protocol
3. Compatible with Huawei solar inverters
4. Enables real-time energy monitoring

### **Easy Installation**

1. DIN-rail mounted design
2. Compact installation in electrical distribution panels
3. Simple integration into photovoltaic systems
4. Suitable for residential and commercial installations

### **Efficient and User-Friendly Design**

1. Low power consumption ≤ 1.5 W
2. LCD display for easy setup and monitoring
3. Designed for stable and long-term operation
4. Supports 3-phase power grid configurations

## Specifications

| Spec | Value |
| --- | --- |
| Weight | 0.5 kg |
| Cooling | Passive cooling |
| Display | LCD display |
| Voltage | 3P3W / 3P4W system |
| Grid tie | Yes, with Huawei inverter |
| Warranty | 24 moths |
| Frequency | 50 / 60 Hz |
| Dimensions | 100 × 72 × 80 mm |
| Monitoring | Energy import / export monitoring |
| Phase type | three-phase |
| Communication | RS485, Modbus-RTU |
| Compatibility | Huawei SUN2000 inverters |
| Input voltage | 90 – 500 V AC |
| Certifications | CE |
| Max pv current | 80 A (higher with external CT) |
| Max pv voltage | 1000 V (with external PT) |
| Mounting options | Electrical distribution panel |
| Installation type | DIN rail mounting |
| Protection rating | IP20 |
| Operating temperature | −25°C to +60°C |