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GoodWe GW40K-ET-10 Hybrid Inverter 40 kW Three-Phase
GoodWe GW40K-ET-10 Hybrid Inverter 40 kW Three-Phase
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Businesses and non-Italian private customers: purchase with 22% VAT. The 10% rate is reserved for private customers resident in Italy — find out more.
Foreign companies entitled to 0% VAT: please write to info@litio.store.
Delivery in 10-20 daysHybrid On-GridThree-phaseGoodWe
GoodWe GW40K-ET-10 Hybrid Inverter 40 kW Three-Phase
The GoodWe GW40K-ET-10 is the 40 kW three-phase hybrid inverter of the ET 40-50 kW series, intended for commercial and industrial applications with high-voltage storage. It integrates 3 MPPTs with 2 strings each and input currents up to 42 A per tracker, a maximum PV voltage of 1,000 V and a very wide MPPT range (165-850 V), for a photovoltaic array of up to 60,000 W.
The battery works in the 200-800 V range with 100 A continuous in charge and discharge and up to 44,000 W of power. The back-up output delivers a rated 40,000 W with an overload of up to 44,000 VA (48,000 VA for 60 s, 60,000 VA for 10 s), ensuring service continuity for critical loads. Maximum efficiency is 98.1% (97.5% European), the protection rating is IP66 and cooling is by smart fans. Communications include RS485, Wi-Fi, LAN and Bluetooth as standard, with optional 4G, and CAN to the BMS; Type II DC surge arresters (Type I+II optional) and Type II AC surge arresters are built in.
Key features
Commercial power40 kW three-phase with high-voltage storage and up to 60,000 W of photovoltaic array.
3 high-current MPPTsInput currents up to 42 A per tracker and extended MPPT range 165-850 V, compatible with the latest generation of modules.
100 A battery200-800 V range with 100 A continuous in charge and discharge, up to 44,000 W of storage power.
Backup with strong overloadEmergency output of a rated 40,000 W, up to 44,000 VA (48,000 VA for 60 s, 60,000 VA for 10 s).
Complete protectionsType II DC SPD (Type I+II optional) and Type II AC SPD, DC switch, optional AFCI, remote shutdown.
Industrial connectivityRS485, Wi-Fi, LAN and Bluetooth as standard, optional 4G, CAN to the BMS; IP66 for outdoor installation.
Technical specifications
| Feature | Value |
|---|---|
| Product code | GW40K-ET-10 |
| Model | GW40K-ET-10 |
| Rated AC power | 40.000 W |
| Max AC power | 40.000 VA |
| Recommended max PV power | 60.000 W |
| Max PV voltage | 1.000 V |
| Start-up voltage | 200 V |
| MPPT range | 165-850 V |
| Rated PV voltage | 620 V |
| Number of MPPTs | 3 |
| Strings per MPPT | 2 |
| Max current per MPPT | 42 / 32 / 42 A |
| Max short-circuit current per MPPT | 55 / 42 / 55 A |
| Battery type | Lithium, high voltage |
| Battery voltage | 500 V nominal (range 200-800 V) |
| Number of battery inputs | 1 |
| Max charge/discharge current | 100 A / 100 A |
| Max charge/discharge power | 44.000 W / 44.000 W |
| Backup/EPS power | 40,000 VA rated - max 44,000 VA (48,000 VA for 60 s, 60,000 VA for 10 s) |
| Max backup current | 66,7 A @ 380 V / 63,8 A @ 400 V |
| Grid phase | Three-phase |
| Grid voltage | 380/400 V (3L/N/PE), range 176-276 V |
| Grid frequency | 50/60 Hz (45-55 / 55-65 Hz) |
| Max AC current to the grid | 60,6 A @ 380 V / 58,0 A @ 400 V |
| Power factor | ~1 (0.8 leading - 0.8 lagging) |
| Total harmonic distortion | < 3 % |
| Maximum efficiency | 98.1 % |
| European efficiency | 97.5 % |
| Max battery-to-AC efficiency | 97.7 % |
| MPPT efficiency | 99.0 % |
| Surge arresters | DC Type II (Type I+II optional), AC Type II |
| AFCI | Optional |
| Protection rating | IP66 |
| Cooling | Smart fans (smart fan cooling) |
| Communication | RS485, Wi-Fi + LAN + Bluetooth, 4G + Bluetooth (optional), CAN (BMS) |
| User interface | LED, app via WLAN |
| Night-time consumption | < 15 W |
| Operating temperature | -35 °C ... +60 °C |
| Relative humidity | 0-95 % |
| Max altitude | 4.000 m |
| Dimensions (W x H x D) | 520 x 660 x 260 mm |
| Weight | 62 kg |
| Warranty | 5 years (GoodWe limited warranty for commercial and industrial inverters) |
Documentation
PDFDatasheet GW40K-ET-10Official manufacturer documentString sizing must respect the MPPT voltage and current limits and the electrical design of the system. Installation and grid connection must be carried out by qualified personnel in accordance with the applicable standards.