SmartPower Sensor

The Huawei Smart Power Sensor is a compact, highly accurate metering device designed for real-time power monitoring and energy data acquisition in solar PV installations. It supports both single-phase and three-phase systems and is essential for functions like export limitation, load management, and performance analysis. Featuring class 1 measurement accuracy, it supports Modbus-RTU communication over RS485 and integrates easily with Huawei inverters and SmartLoggers. Its DIN-rail mountable design, low power consumption, and wide operating conditions make it an ideal choice for commercial and industrial PV systems.

Smart Power Sensor

The SmartPower Sensor is an advanced energy monitoring device designed to measure and track electrical consumption in real time. It provides accurate data on power usage, helping users optimize energy efficiency and improve overall system performance.

This sensor integrates seamlessly into solar, hybrid, and grid-tied energy systems. In addition, it continuously monitors voltage, current, and power flow to deliver precise insights into energy behavior. Therefore, users can make informed decisions to reduce waste and improve efficiency.

Furthermore, the SmartPower Sensor supports smart energy management by enabling load tracking and performance analysis. At the same time, it helps identify inefficiencies and supports better system control for residential, commercial, and industrial applications.

Key Features:

  • High Accuracy: Class 1 measurement for voltage, current, energy, and frequency.
  • Smart Monitoring: Enables active power control, export limitation, and energy flow analysis.
  • Low Power Consumption: ≤1W, highly efficient operation.
  • Versatile Compatibility: Works with multiple Huawei inverters and SmartLoggers.
  • Flexible Installation: DIN rail mounting, compact design.
  • Multiple Models: Supports single-phase and three-phase grids with various current capacities.
  • Robust Design: Wide temperature range and IP-rated protection for durable performance.

Moreover, the sensor provides reliable data for system monitoring platforms, allowing users to analyze performance over time. As a result, it improves energy awareness and supports cost-saving strategies.

Ultimately, the SmartPower Sensor delivers accurate, real-time insights that help users manage energy more efficiently and optimize system performance across all types of installations.

Technical Specifications

Available models:

  • DDSU666-H (1-phase)
  • DTSU666-H / DTSU666-H 250A/50mA (3-phase)
  • DTSU666-HW/YDS60-80 (Advanced 3-phase)

General Data

  • Mounting Type: DIN35 rail
  • Power Grid Types: 1P2W / 3P3W / 3P4W
  • Input Voltage: 176–288 Vac (phase), 304–499 Vac (line)
  • Current Range:
    • Standard: 0–100 A
    • High-current model: 0–250 A

Measurement Accuracy

  • Voltage/Current: ±0.5%
  • Power/Energy: ±1%
  • Frequency: ±0.01 Hz

Communication

  • Interface: RS485
  • Protocol: Modbus-RTU
  • Baud Rate: 9,600 bps (or adjustable up to 115200 bps for advanced models)

Environment

  • Operating Temperature: -25°C to +60°C
  • Storage Temperature: -40°C to +70°C
  • Relative Humidity: 5–95% RH (non-condensing)

Physical

  • Dimensions:
    • DDSU666-H: 100 x 36 x 65.5 mm
    • DTSU666-H: 100 x 72 x 65.5 mm
    • DTSU666-HW/YDS60-80: 100 x 72 x 80 mm
  • Weight: ~0.5 to 1.5 kg depending on model
  • Power Consumption: ≤1.5 W

Accessories

  • RS485 cables
  • CTs (Current Transformers): 100A/40mA, 250A/50mA