Heatcooltech
SK/EN
Huawei

Smart power sensor Huawei DDSU666-H (single-phase)

Price on request

A single-phase Huawei smart power sensor with accuracy class 1 and RS485/Modbus-RTU communication. Includes an RS485 cable and a current transformer.

  • 🚚 Free delivery over €1500, otherwise 10,00 €
  • 📦 We will confirm the delivery date with your order.
  • 🛠️ We can arrange installation on request – contact us

Energy metering for PV systems

The Huawei Smart Power Sensor DDSU666-H is a single-phase meter that measures energy flow at the grid connection point and feeds the data to the inverter. It is intended for single-phase installations where you want to manage self-consumption or grid export.

Key features

  • measurement accuracy class 1
  • own consumption below 1 W
  • LCD display for setup and reading values
  • operating voltage 176–288 V
  • RS485, Modbus-RTU communication
  • operating range -25 °C to 60 °C, humidity 5–95 % non-condensing
  • supplied with RS485 cable (10 m) and 1× CT 100 A/40 mA (5 m)

Practical note

The sensor connects to Huawei inverters via RS485. Three-phase systems require a three-phase meter type.

Heatcooltech will be happy to help you design the complete system – from choosing the right components to professional installation and commissioning.

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Frequently asked questions

Standard delivery is usually 5–7 working days for air conditioners and 14 working days for heat pumps from order confirmation. If there is a delay (e.g. due to stock levels or seasonal demand), we will let you know by email or phone.

Yes, we can arrange professional installation with trusted technicians. We will gladly give you details on the price and availability of installation in your region on request.

On request we can also deliver to neighbouring countries (e.g. Czech Republic, Austria, Hungary). We will confirm the exact terms and delivery price when you order or by individual agreement.

When choosing, it is important to consider the size of the room, window orientation, number of people and other factors. If you are not sure, contact us – we will gladly help you calculate the load and recommend a suitable model.

Our air conditioners come with the standard statutory warranty. In case of a fault or service questions, contact us; together with the manufacturer or service partner we will help resolve the situation as quickly as possible.