CHINT three-phase power sensor DTSU666-FE DIN smart meter Modbus TCP 0-100 A 85-499 V
- CHINT DTSU666-FE three-phase power sensor for voltage, current, power and energy measurement in Huawei systems, Ethernet Modbus-TCP communication, current range 0-100 A.
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CHINT DTSU666-FE - Intelligent power sensor for Huawei EV-Charger solutions
CHINT DTSU666-FE is a high-precision three-phase power sensor designed for use with Huawei's EV-charging systems and other power installations. The device can accurately measure voltage, current, power and electricity in real time, providing an accuracy class of better than 1%. The DTSU666-FE is suitable for mounting on a 35mm DIN rail and can be integrated with Huawei systems using the Modbus-TCP:contentReference[oaicite:0]{index=0} communication protocol.
- Three-phase measurement with class 1 accuracy
- Ethernet communication (Modbus-TCP)
- Voltage range up to 499 V and current range up to 100 A
- Compact housing (72 × 98 × 65.5 mm) for DIN35 rail mounting
- Low power consumption ≤2 W
Product description
The CHINT DTSU666-FE smart power sensor is designed specifically for use with Huawei SCharger chargers and FusionSolar power management systems. With high measurement accuracy and reliable Ethernet communication, the device allows for dynamic load management and precise energy balancing between PV installation, energy storage and EV charging station. The built-in LCD display facilitates local configuration and data reading, and its compact size allows easy integration into electrical switchboards .
Safety and reliability
The DTSU666-FE features low power consumption (≤2 W) and a wide range of input voltages (85-288 V AC per phase), which ensures stable operation under varying network conditions. The device is suitable for operation in temperatures from -25°C to +60°C and humidity up to 95% (non-condensing). The use of robust components and industry-standard design guarantees reliability and long service life in commercial and industrial environments:contentReference[oaicite:1]{index=1}.
Technical data
| Mechanical parameters | |
|---|---|
| Model | DTSU666-FE |
| Dimensions (W × H × D) | 72 × 98 × 65.5 mm |
| Mounting type | DIN rail 35 mm |
| Power supply | |
| Network type | Three-phase, 3P4W |
| Supply voltage | 85 - 288 V AC (phase voltage) |
| Power consumption | ≤ 2 W |
| Auxiliary power supply | 85 - 288 V AC (L, N) |
| Measurement range | |
| Line voltage | 147 - 499 V AC |
| Phase voltage | 85 - 288 V AC |
| Current | 0 - 100 A |
| Measurement accuracy | |
| Voltage | ±0,5% |
| Current | ±1% |
| Frequency | ±0.01 Hz |
| Power | ±1% |
| Energy | ±1% |
| Communication | |
| Interface | Ethernet (1 port) |
| Communication protocol | Modbus-TCP |
| Operating environment | |
| Operating temperature | -25°C ~ +60°C |
| Storage temperature | -40°C ~ +70°C |
| Operating humidity | 5% - 95% (non-condensing) |
| Other information | |
| Included accessories | Current transformer (CT) |
| Display | LCD with visual color identification |
Technical data source: data sheet of the CHINT DTSU666-FE model.link
FAQ
- What is the DTSU666-FE used for? To measure energy and communicate with Huawei SChargers and FusionSolar systems.
- What protocols does it support? Ethernet Modbus-TCP.
- What are the voltage and current ranges? 85-499 V AC and 0-100 A.
- What is the power consumption? A maximum of 2 W.
- What is the operating environment? From -25°C to +60°C, up to 95% relative humidity.
- What are its dimensions? 72 × 98 × 65.5 mm, DIN35 mounting.
- Does it have an LCD screen? Yes, with color identification for easy reading.
- What class of accuracy does it have? Better than class 1.
- What applications is it designed for? Mainly for Huawei EV-Charger systems and PV energy monitoring.
Summary
CHINT DTSU666-FE is a compact, industrial-grade three-phase power sensor that provides precise energy measurement and communication with Huawei systems. With its Ethernet (Modbus-TCP) interface, low power consumption and high measurement accuracy, it is an ideal solution for apLication in EV charging, PV installation and smart energy management systems.