Huawei DTSU666-H Smart Meter (250A, RS485)
Huawei DTSU666-H is an intelligent three-phase energy meter compatible with all Huawei inverter models of the M0, M1, M2, and M3 series. It is ideal for solar systems operating in self-consumption mode, as well as for residential and small commercial applications.
This smart meter uses a high-speed digital sampling circuit to accurately monitor key power metrics, including 3-phase voltage, current, active and reactive power, forward and reverse energy, and more. All data is transmitted in real-time via the RS485 interface.
Main advantages:
- Works with 3-phase grid systems
- Supports current up to 250 A (with CTs)
- Compatible with Huawei inverters (M0/M1/M2/M3)
- Limits active power output based on consumption
- LED screen for easy local monitoring
- Simple DIN35 rail mounting
Technical Specifications:
| Manufacturer | Huawei |
| Model | DTSU666-H |
| Compatible with | Huawei M0 / M1 / M2 / M3 inverters |
| Communication Interface | RS485 |
| Mounting | DIN35 rail |
| Display | LED screen |
| Dimensions | 100 × 72 × 65.5 mm |
| Weight | 1.5 kg |
| Operating Temperature | -25°C to +60°C |
| Humidity | 5% – 95% |
| Phase Voltage Input | 176 V – 288 V |
| Line Voltage Range | 304 V – 499 V |
| Max Current | Up to 250 A |
| Measurement Accuracy | Voltage: ±0.5%, Current: ±1%, Frequency: ±0.01 Hz |
The Huawei DTSU666-H smart meter is a reliable and essential component for solar power systems that require energy management, real-time tracking, and export limitation. Perfect for residential and commercial solar setups.
For individuals
Prepayment
- Full prepayment - 100% of the amount is paid in advance before the start of the order.
- Partial prepayment - you pay an agreed part of the cost before the start of work or delivery of equipment.
Cashless payment
- through the cash desk of any bank;
- from a personal account (for example, via online banking).
For legal entities
- Payment is made inclusive of VAT.
- All payments are made in full compliance with the current legislation of Ukraine.
- We provide a full package of accounting documents: invoice, act, contract, tax invoice, etc.
Delivery
- In Ukraine, we deliver via popular logistics services (Nova Poshta, SAT, Delivery, etc.).
- Pickup is possible from our warehouse in Poltava (by prior arrangement).
- Installation with delivery - when ordering the equipment installation service, we deliver it directly to the facility.
If you have additional questions about payment or delivery, our manager will be happy to help you!
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