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Three-phase, bidirectional Huawei DTSU666-H energy meter in 250A/50mA version with external current transformers (CT). Smart Power Sensor with RS485 (Modbus-RTU) communication and class 1 accuracy.
The Huawei DTSU666-H 3-phase CT 250A/50mA bidirectional energy meter is a bidirectional energy meter (Smart Power Sensor) with external current transformers (3 CT 250 A/50 mA). This solution is designed for measuring imported and exported energy in higher-current photovoltaic installations, compatible with Huawei inverters.
| Network type | 3-phase (3P4W) |
| Current measurement range | 0 – 250 A (via CT) |
| Transformers included | 3 × CT 250 A/50 mA (5 m) |
| Measurement voltage (line) | 304 – 499 Vac |
| Input voltage (phase) | 176 – 288 Vac |
| Voltage accuracy | ±0.5% |
| Current / power / energy accuracy | ±1% |
| Communication interface | RS485, Modbus-RTU, 9600 bps |
| Self-consumption | ≤1 W |
| Operating temperature range | -25°C – 60°C |
| Mounting | DIN35 rail |
| Dimensions (H×W×D) | 100 × 72 × 65.5 mm |
| Weight (with cables) | 1.5 kg |
Huawei DTSU666-H 3-phase bi-directional smart meter CT 250A/50mA — bi-directional energy m — B2B wholesale prices for installers and contractors. Check availability and terms of cooperation: contact us.
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