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Huawei Smart Power Sensor DDSU666-H 1P

Product number:
In stock Delivery by 29.09.2026
The Huawei Smart Power Sensor DDSU666-H 1P provides precise measurements of voltage, current, power, and energy in single-phase systems. With high accuracy, low power consumption, and easy installation on a DIN35 DIN rail, it is ideal for modern energy management systems.
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Huawei Smart Power Sensor DDSU666-H 1P

Max. Current

  • 100 A

Power consumption

  • ≤ 0.8 W

Voltage Range

  • 176 VAC ~ 288 VAC

Huawei

The Huawei Smart Power Sensor DDSU666-H 1P is a precise and reliable device for monitoring and controlling energy consumption in single-phase systems. It is ideal for integration into modern energy management systems and provides accurate measurements of voltage, current, power, and energy.

The sensor is designed for mounting on a DIN35 top-hat rail and features a RS485-interface with Modbus RTU protocol, enabling easy integration into existing systems. The sensor operates over a wide temperature range and is suitable for harsh environmental conditions.

Special Features

Precise Measurement

The DDSU666-H offers high accuracy in measuring voltage, current, power, and energy, with a voltage accuracy of ±0.5% and a current, power, and energy accuracy of ±1%. Frequency measurement is performed with an accuracy of ±0.01 Hz.

Energy-Efficient

The sensor has low power consumption of ≤ 0.8 W and supports sustainable energy management solutions.

Rugged and Reliable

The DDSU666-H is designed for operation in a temperature range of -25 °C to 60 °C and a humidity range of 5 %RH to 95 %RH (non-condensing). It features a robust design that ensures a long service life and reliability.

Easy Installation

Thanks to its compact dimensions and the option for easy mounting on a DIN35 top-hat rail, installation is quick and straightforward. The sensor comes with a RS485-cable (10 m) and a matching current transformer.

Technical Data

Specifications Huawei Smart Power Sensor DDSU666-H 1P
Max. Current 100 A
Voltage Range 176 VAC ~ 288 VAC
Measurement Accuracy (Voltage) ±0.5%
Measurement accuracy (current/power/energy) ±1%
Measurement accuracy (frequency) ±0.01 Hz
Communication interface RS485
Communication Protocol Modbus-RTU
Dimensions 100 x 36 x 65.5 mm
Weight (including cable) 1.2 kg
Mounting Type DIN35 Top-hat rail
Power supply type 1P2W (single-phase)
Power consumption ≤ 0.8 W
Operating temperature -25 °C to 60 °C
Operating humidity 5% RH ~ 95% RH (non-condensing)
accessories RS485-Cable (10 m), 1 CT 100 A / 40 mA (5 m)

scope of delivery

Huawei Smart Power Sensor DDSU666-H 1P

  • Huawei Smart Power Sensor DDSU666-H, 1P
  • RS485-Cable (10 m)
  • 1 CT 100 A / 40 mA (5 m)

Downloads

Technical Informations

Manufacturer information (GPSR)

Manufacturer

Huawei Digital Power Technologies Co., Ltd.

Office 01, 39th Floor, Block A, Antuoshan Headquarters Towers, 33 Antuoshan 6th Road, Futian District

518043 Shenzhen

China

Disposal of waste electrical and electronic equipment

Electrical appliances do not belong in household waste. You can return old appliances free of charge to municipal collection points or register them with us for take-back. The crossed-out wheelie bin means the appliance must be collected separately.

More information on take-back

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