• Rated AC Power Output: 12.0 kW nominal three-phase output (13.2 kVA max AC output) on a 48V low-voltage battery architecture.
• High PV Oversizing Yield: Supports up to 24.0 kW max PV input power (200% oversizing) across 3 independent MPPTs (20A per tracker).
• Ultra-Fast UPS Backup: Seamless <4ms automatic backup transfer time with 150% unbalanced three-phase load support.
• High-Current 250A Battery Management: Dual independent battery input terminals supporting 250A continuous charge and discharge.
• Multi-Source Hybrid Flexibility: Seamlessly integrates solar PV, 48V battery storage, utility grid, and generator inputs.
• Heavy-Duty Construction: IP66 weather-sealed housing with C4 anti-corrosion protection and Smart Fan Cooling (<45 dB).
• Multi-Protocol Smart Monitoring: Equipped with LCD screen and Wi-Fi, LAN, Bluetooth, RS485, and CAN BMS interfaces.
The GoodWe GW12K-ET-L-G10 12KW Three-Phase Hybrid Solar Inverter (ET LV Series / GW12KET-L-G10) is an advanced, industrial-grade low-voltage hybrid inverter engineered for large three-phase luxury residences, commercial properties, and light industrial facilities. Supporting up to 24.0 kW DC PV input (200% PV oversizing) and featuring an ultra-fast <4ms UPS-level backup transfer time, the GoodWe GW12K-ET-L-G10 12KW Three-Phase Hybrid Solar Inverter guarantees continuous power for heavy three-phase electrical loads. Built on a standard 48V battery architecture with high-rate 250A continuous charging current capacity across dual battery inputs, it manages energy flow across solar PV arrays, energy storage systems, utility grids, and auxiliary generators while supporting up to 150% unbalanced three-phase AC output.
| Model Name | GoodWe GW12K-ET-L-G10 / GW12KET-L-G10 (Code: 1022) |
| Inverter Series & Application | ET LV Series / Three Phase Hybrid Solution (LV) |
| Nominal AC Output Power (On-grid) | 12.0 kW (12000 W) |
| Max. AC Apparent Power Output (Grid) | 13.2 kVA (13200 VA) |
| Back-up Output Apparent Power | 12.0 kVA (24.0 kVA Surge Peak, 10s) |
| On/Off-Grid Switching Time | < 4 ms (Uninterruptible UPS Level) |
| Nominal AC Output Voltage | 400 / 380 V, 3L/N/PE Three Phase |
| Max. PV Input Power | 24.0 kW (24000 W) / 200% PV Oversizing Support |
| Max. PV Input Voltage | 1000 V |
| MPPT Operating Voltage Range | 150 V – 850 V |
| Start-up Voltage | 180 V |
| Max. MPPT Input Current | 20 A / 20 A / 20 A (26 A Max Short Circuit Current per MPPT) |
| Number of MPPTs / Strings per MPPT | 3 / 1 |
| Compatible Battery Types | LFP (LiFePO4) / Lead-Acid (48V System) |
| Battery Voltage Operating Range | 40 V – 60 V |
| Max. Continuous Charge / Discharge Current | 250 A / 250 A (12.0 kW Charge / 13.2 kW Max Discharge) |
| Max. Conversion Efficiency | 97.8% (97.3% European / 95.5% Battery-to-AC) |
| Cooling Method | Smart Fan Cooling (< 45 dB Noise) |
| Ingress Protection & Anti-corrosion | IP66 Weatherproof / C4 Anti-corrosion Class |
| Operating Temperature Range | -35°C to +60°C |
| Dimensions (W x H x D) | 756 x 551 x 258 mm |
| Weight | 45.3 kg |
| User Interface & Communication | LCD Screen, WLAN + APP (RS485, Wi-Fi, LAN, Bluetooth, 4G, CAN BMS) |
| Surge Protection (DC / AC) | Type II DC / Type II AC Integrated |
Verify low-voltage battery BMS compatibility directly on the official GoodWe Solar Official Portal prior to executing mounting and electrical setups for the GoodWe GW12K-ET-L-G10 12KW Three-Phase Hybrid Solar Inverter.
The GoodWe GW12K-ET-L-G10 12KW Three-Phase Hybrid Solar Inverter delivers robust energy management by uniting high DC solar capacity, high-current battery charging, and grid interaction. Featuring 3 independent MPPT trackers supporting up to 20A DC input current per string, it optimizes energy harvesting from PV arrays placed across complex roof orientations or multi-angled structures. Its 200% PV oversizing capacity enables rapid 250A battery charging for 48V energy storage systems while simultaneously supplying heavy continuous AC power to three-phase household or commercial equipment.
Engineered for installation in harsh weather conditions, the unit features an IP66 weather-sealed housing with C4 anti-corrosion protection operating across a wide temperature range of -35°C to +60°C. Smart Fan Cooling ensures quiet thermal regulation (<45 dB) under continuous electrical loads. An integrated LCD display alongside Wi-Fi, LAN, 4G, and Bluetooth protocols allow complete system diagnostic tracking, energy monitoring, and remote configuration via the GoodWe SEMS Portal.
Q1: What is the maximum conversion efficiency of the GoodWe GW12K-ET-L-G10 12KW Three-Phase Hybrid Solar Inverter?
A: The GW12K-ET-L-G10 achieves a peak efficiency of 97.8% and a battery-to-AC conversion efficiency of 95.5%.
Q2: How fast does the inverter switch to backup power during an outage?
A: It features an ultra-fast switching time of less than 4 milliseconds (<4ms), offering uninterruptible UPS-level power backup.
Q3: What battery voltage and charging current does this 12kW model support?
A: It operates on a nominal 48V low-voltage battery system (40V–60V range) supporting up to 250A continuous charging and discharging current.
Q4: Can the GW12K-ET-L-G10 handle unbalanced loads across the three phases?
A: Yes, it supports up to 150% unbalanced phase power output to accommodate uneven electrical distributions.
Q5: What are the physical dimensions and total weight of this inverter?
A: The inverter measures 756 x 551 x 258 mm and weighs 45.3 kg.
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