Energy Meter GoodWe GMK330 RS485

GoodWe Smart Meter GMK330

A GoodWe-native smart meter for solar homes and light commercial sites that need clearer local consumption visibility, export-limiting support, and a tighter inverter-ecosystem fit than a generic third-party meter.

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GoodWe Smart Meter GMK330 is best understood as an inverter-companion meter rather than a general-purpose DIY monitor. GoodWe's current official product page positions it around local electricity-consumption measurement, export power limiting, and load monitoring for PV systems.

The reviewed official source set shows a three-phase smart meter with RS485 communication, DIN-rail mounting, and bundled CTs on the current GMK330 configuration. That makes it a stronger fit for GoodWe-led solar and storage installs than for households shopping mainly for a standalone app-first monitor.

It is most useful when a site wants:

GoodWe ecosystem compatibility for inverter or storage coordination
export power limit and load-monitoring support
CT-based metering without stepping up to a larger commercial meter

It is less ideal for buyers who primarily want broad local smart-home integrations or a vendor-neutral monitoring stack.

Product Images

Gallery, diagrams, and supporting visuals.

GoodWe Smart Meter GMK330 official product image — Official GoodWe product image for the GMK330 smart meter.

GoodWe Smart Meter GMK330 official front render — Official GoodWe front render for the GMK330 smart meter.

GoodWe Smart Meter GMK330 official angled render — Official GoodWe angled render for the GMK330 smart meter.

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Phase support: 1P2W / 3P3W / 3P4W
Installation: DIN-rail mounted smart meter with 3 included current transformers
Measurement: CT-based bidirectional smart meter for local consumption monitoring, export power limiting, and load monitoring in GoodWe solar and storage systems
Max current: 120 A
Accuracy class: Class 0.5 (voltage/current and active energy) / Class 1 (reactive energy)
Current sensing: 3 x 120A:40mA CTs included on the current GMK330 configuration; GoodWe notes the earlier 200A:50mA CT version is being phased out after June 2026
Local API: No
Cloud dependency: GoodWe SEMS and the compatible inverter ecosystem are typically used for normal monitoring, export-control workflows, and energy-management visibility.
Home Assistant: No
Solar import/export: Yes
Price range: Installer-supplied or bundled with compatible GoodWe systems
Availability: Global / region-dependent GoodWe residential-meter availability

Last verified: May 19, 2026
Product page: Official page
Documentation: Official docs
Notes: Verified on 2026-05-19 against GoodWe's official GMK330 Residential Meter product page, the current GMK330 datasheet, and the current GoodWe Smart Meter user manual V1.5 dated 2026-01-30. The reviewed official source set confirms GMK330 as a smart meter for local electricity-consumption measurement, export power limiting, and load monitoring, with RS485 communication, support for 1P2W / 3P3W / 3P4W grids, DIN-rail mounting, three CTs on the current configuration, Class 0.5 voltage/current and active-energy accuracy, Class 1 reactive-energy accuracy, and bundled 120A:40mA CTs on the current version.