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Three-phase, bidirectional Huawei DTSU666-HW energy meter (Smart Power Sensor). Direct measurement up to 80 A or via transformers, RS485 communication, and accuracy class 1.
The Huawei DTSU666-HW 3-phase bidirectional energy meter is a smart, bidirectional energy meter (Smart Power Sensor) for measuring energy imported and exported in photovoltaic installations. It works with Huawei inverters and the SmartLogger, enabling energy flow control and self-consumption management.
| Grid type | 3-phase (3P4W or 3P3W) |
| Rated voltage | 230 V AC / 400 V AC, 50/60 Hz |
| Current measurement (direct) | 0 – 80 A |
| Current measurement (via transformers) | > 80 A |
| Voltage measurement range | 90 – 1000 V (phase-to-phase voltage) |
| Accuracy class | Class 1 (±1%) |
| Communication interface | RS485, 4800 / 9600 / 19200 / 115200 bps |
| Operating temperature | -25°C – +60°C |
| Mounting | DIN35 rail |
| Certificates | CE, RCM, UKCA |
| Dimensions | 72 / 80 mm W × 101 mm H × 45 / 35 mm D |
Huawei Bi-directional Energy Meter DTSU666-HW 3-phase — bi-directional energy meter (Smart — B2B wholesale prices for installers and contractors. Check availability and terms of cooperation: contact us.
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