Huawei three-phase energy meter DTSU666 HW YDS60 80 DIN module smart meter RS485 Modbus 80 A
- Huawei DTSU666-HW / YDS60-80 three-phase energy meter for real-time measurement of voltage, current, power and energy; RS485 (Modbus-RTU) communication.
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Huawei DTSU666-HW / YDS60-80 - Smart power meter
Huawei DTSU666-HW / YDS60-80 is a three-phase smart power meter designed for use with Huawei SUN2000 inverters and energy management systems. The device is used to accurately measure voltage, current, power and energy in real time. With Class 1 accuracy, RS485 (Modbus-RTU) communication and easy DIN35 rail mounting, it is ideal for residential and commercial photovoltaic installations:contentReference[oaicite:0]{index=0}.
- Class 1 measurement accuracy
- RS485 communication (Modbus-RTU)
- Current measurement up to 80 A (expandable with transformers)
- Wide voltage range of 90-1000 V AC
- Low power consumption ≤1.5 W
Product description
DTSU666-HW / YDS60-80 is a compact, energy-efficient electricity meter with built-in LCD display for easy data reading and parameter configuration. The meter offers measurement in 3P3W or 3P4W configurations, allowing wide application in different types of power grids. It is fully compatible with Huawei's SUN2000 series inverters, supporting monitoring and energy management functions in the Huawei FusionSolar ecosystem.
Safety and reliability
The device is designed to operate in harsh environmental conditions - operating temperature from -25°C to +60°C and humidity up to 95% (non-condensing). With a measurement accuracy class of ±0.5% for voltage and current, and ±1% for power and energy, the DTSU666-HW / YDS60-80 provides high precision and measurement stability even in long-term expLoatation:contentReference[oaicite:1]{index=1}.
Technical data
| General data | |
|---|---|
| Model | DTSU666-HW / YDS60-80 |
| Dimensions (H × W × D) | 100 × 72 × 80 mm |
| Mounting type | DIN35 rail |
| Weight (with wiring) | < 0.5 kg |
| Power supply | |
| Connection type | 3P4W / 3P3W |
| Input voltage (phase) | 90 - 500 V AC |
| Power consumption | ≤ 1,5 W |
| Measurement range | |
| Line voltage | 90 - 1000 V AC (with transformers >500 V) |
| Phase voltage | 52 - 577 V AC |
| Current | 0 - 80 A (>80 A with external current transformers) |
| Measurement accuracy | |
| Voltage / Current | ±0,5% |
| Power / Energy | ±1% |
| Frequency | ±0.01 Hz |
| Communication | |
| Interface | RS485 |
| Transmission speed | 4800 / 9600 / 19200 / 115200 bps (default 9600 bps) |
| Communication protocol | Modbus-RTU |
| Environmental conditions | |
| Operating temperature | -25°C ~ +60°C |
| Storage temperature | -40°C ~ +70°C |
| Operating humidity | 5% - 95% RH (non-condensing) |
| Other information | |
| Accessories | RS485 cable (10 m) |
| Notes | Requires 1 A / 5 A current transformers, accuracy class ≤ 0.5 |
Technical data source: data sheet of Huawei DTSU666-HW / YDS60-80 modelLink
FAQ
- What kind of accuracy does the DTSU666-HW / YDS60-80 have? Accuracy class 1, with an error of ±0.5% for voltage and current, and ±1% for power and energy.
- What are the maximum measurement values? Up to 80 A without transformers or above 80 A with external current transformers.
- What voltages can it measure? From 90 to 1000 V AC (with transformers above 500 V).
- What protocols does it support? Modbus-RTU via RS485 interface.
- What is the power consumption? A maximum of 1.5 watts.
- What are the operating conditions? Temperature from -25°C to +60°C, humidity up to 95% RH.
- What accessories are included? RS485 cable with a length of 10 m.
- What are its dimensions? 100 × 72 × 80 mm, DIN35 rail mounting.
Summary
Huawei DTSU666-HW / YDS60-80 is an intelligent three-phase energy meter with high precision, low power consumption and reliable RS485 communication. Thanks to its compatibility with Huawei SUN2000 inverters and integration with FusionSolar, the device is an ideal tool for monitoring and energy management in modern PV installations.