Smart Meter – Three Phase – 250A – Huawei

ATTENTION – DELIVERED ONLY TOGETHER WITH AN INVERTER!

The Huawei DTSU666-H Smart Power Sensor is a three-phase power meter designed for solar energy systems. It operates within a voltage range of 176–288 V and features extremely low power consumption of ≤1 W.

Installation is quick and effortless. The integrated LCD display allows easy reading and operation. The device supports RS485 communication and can be remotely monitored using the Modbus RTU protocol.

The meter offers high measurement accuracy:
– Voltage accuracy: ±0.5 %
– Frequency deviation: ±0.01 Hz
– Current, power, and energy accuracy: ±1 %

This places the device in accuracy class >1. Its compact size (100 × 72 × 65.5 mm) and DIN35 rail mounting ensure space-saving installation. Operating temperature ranges from -25 °C to +60 °C, with relative humidity between 5% and 95%.

The current measurement range goes up to 250 A.
The package includes three 5 m split-core current transformers (CTs) and a 10 m RS485 cable.