# Huawei | Smart Power Sensor | DDSU666-H (1 phase)

- **Brand:** Huawei
- **SKU:** 567-68972567b1bdc
- **Price:** 69.00 EUR
- **Availability:** In stock
- **Categories:** Accesorii

The Huawei Smart Power Sensor DDSU666-H is a high-precision single-phase energy meter designed for accurate monitoring and management of electrical parameters in residential and commercial solar energy systems. With a measurement accuracy of Class 1 (±1% for current, power, and energy), it ensures reliable tracking of energy consumption and generation. The device supports a wide voltage range and operates efficiently in various environmental conditions, making it suitable for diverse power distribution systems. Its RS485 communication interface with Modbus-RTU protocol allows seamless integration into energy management systems. The compact design and DIN35 rail mounting facilitate easy installation, while the LCD display provides real-time monitoring and configuration. The DDSU666-H comes with a 100 A / 40 mA current transformer and a 10-meter RS485 cable, ensuring a comprehensive solution for energy monitoring needs.

**Specifications:**

**Model**: DDSU666-H

**Power Grid Type**: Single-phase, 2-wire (1P2W)

**Voltage Measurement Range**: 176 V AC – 288 V AC

**Current Measurement Range**: 0 – 100 A (via included 100 A / 40 mA current transformer)

**Frequency**: 50/60 Hz

**Measurement Accuracy**:

**Voltage**: ±0.5%

**Current / Power / Energy**: ±1%

**Frequency**: ±0.01 Hz

**Power Consumption**: ≤ 0.8 W

**Communication Interface**:

**Type**: RS485

**Baud Rate**: 9600 bps

**Protocol**: Modbus-RTU

**Display**: LCD for real-time monitoring and configuration

**Mechanical Specifications**:

**Dimensions (H × W × D)**: 100 mm × 36 mm × 65.5 mm

**Mounting Type**: DIN35 Rail

**Weight (Including Cables)**: Approximately 1.2 kg

**Environmental Conditions**:

**Operating Temperature**: –25°C to +60°C

**Storage Temperature**: –40°C to +70°C

**Operating Humidity**: 5% – 95% RH (non-condensing)

**Included Accessories**:

1 × 100 A / 40 mA Current Transformer (CT) with 5 m cable

RS485 Cable (10 m

## Specifications

| Spec | Value |
| --- | --- |
| Phase type | single-phase |