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The Goodwe GMK330 is a three-phase DIN-rail smart meter designed to pair with Goodwe hybrid and grid-tie inverters for accurate consumption monitoring, export power limiting, and zero-feed control. It ships with three 120 A split-core current transformers and supports any common grid topology (1P2W, 3P3W, 3P4W) with a wide 90 to 264 V input window. Class 0.5 accuracy and a 1000 m RS485 link make it suitable for both residential and small commercial PV sites where the inverter and switchboard are some distance apart.
Key Features
- Three-phase smart meter (1P2W / 3P3W / 3P4W) for energy monitoring and export control
- Three 120 A split-core current transformers included
- Class 0.5 accuracy on voltage, current and active energy
- RS485 communication with up to 1000 m run length
- DIN-rail mount, 4-module housing (72 x 85 x 72 mm), IP20
- Operating temperature -30 to +70 degrees Celsius
- Compatible with all Goodwe hybrid and grid-tie inverters that support an external smart meter
Specifications
| Model | GMK330 |
| Voltage range | 90 to 264 Vac, 50/60 Hz |
| CT ratio | 120 A : 40 mA (3 included) |
| Accuracy | Class 0.5 (active energy) |
| Communication | RS485, up to 1000 m |
| Protection rating | IP20 (indoor enclosure required) |
| Dimensions | 72 x 85 x 72 mm |
| Weight | 240 g |