# Huawei | Smart Power Sensor | DTSU666-H 250A

- **Brand:** Huawei
- **SKU:** 569-6897256858b8c
- **GTIN:** 2000001253496
- **MPN:** DTSU666-H 250A
- **Price:** 115.00 EUR
- **Availability:** In stock
- **Categories:** Accessories

Three-phase smart power sensor for accurate energy measurement and monitoring. Supports RS485 Modbus communication and seamless integration with Huawei solar systems.

The **Huawei DTSU666-H 250A Smart Power Sensor** is designed for accurate energy measurement and monitoring in photovoltaic systems. It enables precise tracking of electrical parameters and seamless integration with Huawei solar inverters for efficient energy management.

The device supports indirect current measurement using external current transformers, making it suitable for higher current applications. It provides reliable data for monitoring energy consumption, grid import and export, and overall system performance in residential and commercial installations.

### **Accurate Energy Measurement**

1. Provides precise measurement of voltage, current and energy
2. Class 1 measurement accuracy
3. Ensures reliable monitoring data

### **Smart Monitoring and Communication**

1. Supports RS485 communication
2. Modbus-RTU protocol compatibility
3. Real-time system monitoring

### **High Current Capability**

1. Supports up to 250A current measurement
2. Suitable for larger photovoltaic systems
3. Enables indirect measurement via CTs

### **Easy Installation**

1. DIN rail mounting design
2. Compact and space-saving construction
3. Simple integration into electrical panels

### **Energy Efficient Operation**

1. Low power consumption ≤ 1 W
2. Designed for continuous operation
3. Optimized for long-term monitoring

### **Typical Applications**

1. Solar photovoltaic systems
2. Residential energy monitoring
3. Commercial energy management
4. Grid import and export tracking
5. Smart building energy systems

## Specifications

| Spec | Value |
| --- | --- |
| Weight | 1.5 kg |
| Cooling | Passive cooling |
| Display | LCD |
| Warranty | 24 moths |
| Frequency | 50/60 Hz |
| Dimensions | 100 × 72 × 65.5 mm |
| Monitoring | Real-time monitoring |
| Phase type | three-phase |
| Communication | RS485 (Modbus-RTU) |
| Compatibility | Huawei solar systems |
| Input voltage | 176–288 V AC |
| Certifications | CE |
| Mounting options | Electrical panel |
| Installation type | DIN rail |
| Protection rating | IP20 |
| Operating temperature | -25°C to +60°C |