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Residential/split-phase smart meter for ES-US / SBP-US / MS-US systems. This kit bundles the GMK120 DIN-rail meter with an outdoor enclosure for exterior mounting; the GoodWe quick guide also shows installation using a waterproof box. :contentReference[oaicite:9]{index=9}
| Input | |
|---|---|
| Grid | Single-phase, Split-phase |
| Nominal Voltage — Line to N (Vac) | 120 |
| Nominal Voltage — Line to Line (Vac) | 240 / 208 |
| Voltage Range | 0.88Un – 1.1Un |
| Nominal AC Grid Frequency (Hz) | 50 / 60 |
| Current | |
| Current Transformer Ratio | 200 A : 50 mA |
| Number of Current Transformers | 2 |
| Communication & UI | |
| Interface | RS485 (up to 1000 m / 3280 ft) |
| User Interface | 4 LEDs, Reset button |
| Accuracy | |
| Voltage / Current Class | 0.5 |
| Active Energy Class | 0.5 |
| Reactive Energy Class | 1 |
| Power | |
| Power Consumption | ≤ 5 W |
| Structural Parameters | |
| Dimensions (W × H × D) | 72 × 85 × 72 mm (2.83 × 3.35 × 2.83 in) |
| Housing / Mounting | 4-module DIN / DIN rail |
| Weight | 240 g (0.53 lb) |
| Environment | |
| Ingress Protection (meter) | IP20 |
| Operating Temperature | −30 ~ +70 °C (−22 ~ +158 °F) |
| Storage Temperature | −30 ~ +70 °C (−22 ~ +158 °F) |
| Relative Humidity | 0–95% (non-condensing) |
| Max. Operating Altitude | 3,000 m (9,842 ft) |
| Certification | |
| Standards | UL1741 / ANSI |
| Kit Notes | |
| Outdoor Enclosure | Included with kit GMA0300-07-00P per reseller listing; GoodWe quick guide shows waterproof-box installation for outdoor use. (Meter body is IP20; weather protection is provided by the enclosure.) |
All GMK120 specs from the Smart Meter–US datasheet; enclosure inclusion corroborated by distributor listing; waterproof-box installation shown in GoodWe’s quick guide. :contentReference[oaicite:10]{index=10}
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