The GoodWe GW50K-ET-10 is a high-performance three-phase hybrid inverter designed for commercial and industrial (C&I) solar and energy storage applications. As part of GoodWe’s advanced ET Series, it seamlessly integrates PV generation, high-voltage lithium batteries, grid power, and backup systems, making it ideal for sites requiring energy resilience, peak shaving, and optimized self-consumption.
With up to 50kW AC output, 4 MPPTs, and 150% DC oversizing, the GW50K-ET-10 offers exceptional flexibility and efficiency. When paired with the optional GoodWe Static Transfer Switch (STS) Box, it provides UPS-level switching for critical loads and can operate in conjunction with diesel generators to recharge batteries during extended outages.
Built for demanding environments, the inverter features an IP66-rated enclosure, advanced protection mechanisms, and smart monitoring via WiFi, LAN, or optional 4G connectivity, making it a robust and future-ready energy solution.
Key Features
- 50kW three-phase hybrid inverter for C&I applications
- Supports PV, battery, grid, backup and generator integration
- 4 MPPTs with 150% DC oversizing capability
- UPS-level backup functionality with optional STS Box
- Compatible with high-voltage lithium-ion batteries
- IP66-rated enclosure for outdoor installation
- Smart monitoring via App, LAN, WiFi or optional 4G
- High efficiency with advanced safety protection
- Dimension: 70cm x 60cm x 30cm = 65kg
Technical Specifications
Battery Input
- Battery Type: Lithium-ion (High Voltage)
- Nominal Battery Voltage: 500 V
- Battery Voltage Range: 200 – 800 V
- Start-up Voltage: 200 V
- Number of Battery Inputs: 1
- Max. Continuous Charge / Discharge Current: 100 A
- Max. Charging Power: 55,000 W
- Max. Discharging Power: 55,000 W
PV (DC) Input
- Max. PV Input Power: 75,000 W
- Max. Input Voltage: 1000 V
- MPPT Voltage Range: 165 – 850 V
- Start-up Voltage: 200 V
- Nominal Input Voltage: 620 V
- Number of MPPTs: 4
- Strings per MPPT: 2
- Max. Input Current per MPPT: 42 A / 32 A
- Max. Short-Circuit Current per MPPT: 55 A / 42 A
AC Output (On-Grid)
- Nominal Output Power: 50,000 W
- Nominal Apparent Power: 50,000 VA
- Max. Apparent Power to Grid: 50,000 VA
- Nominal Voltage: 380 / 400 V (3L / N / PE)
- Grid Frequency: 50 / 60 Hz
- Max. AC Output Current: 75.8 A @ 380 V / 72.5 A @ 400 V
- Power Factor: ~1 (adjustable 0.8 leading to 0.8 lagging)
- THDi: < 3%
Backup Output (with optional STS Box)
- Backup Nominal Apparent Power: 50,000 VA
- Max. Apparent Power: 55,000 VA (60 s) / 75,000 VA (10 s)
- Max. Output Current: 83.3 A @ 380 V / 79.7 A @ 400 V
- Output Voltage: 380 / 400 V
- Frequency: 50 / 60 Hz
- THDv (Linear Load): < 3%
Efficiency
- Max. Efficiency: 98.1%
- European Efficiency: 97.5%
- Battery to AC Efficiency: 97.7%
- MPPT Efficiency: 99.0%
