Three-phase metering with clamp CTs — fitted in one short visit.
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| Dimensions | DIN 4 modules, CTs to 120 A |
|---|---|
| Rated Power | 3 W consumption |
| Operating Range | −25 °C to +55 °C |
| Weight | 0.5 kg kit |
| Certification | IEC 62053 metering class |
| Warranty | 5 years |
The HV-CT3 measures import, export and consumption on all three phases with split-core current transformers that clamp over existing tails — no rewiring, no downtime. It feeds the HV-W1 gateway or works standalone over Modbus.
Accurate export limiting starts here: inverters throttle against the meter reading, keeping the connection agreement honest even when the array could give more.
The small hub that keeps production, storage and loads visible.
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