LuxpowerTek GEN3-LB-EU 8K Single-Phase Hybrid Inverter
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The Fogstar x LuxpowerTek GEN3-LB-EU 8K is a single-phase (230V) hybrid inverter built on next-generation LuxpowerTek technology and configured for seamless integration with Fogstar 48V (51.2V) battery systems.
With 8kW of rated output, it is the highest-output model in the GEN3-LB-EU range, suited to residential energy systems with higher demand.
Designed for on-grid and off-grid operation, it combines up to 12kW of PV input, up to 180A battery charge and discharge current and seamless 7ms switching in an IP66-rated, installer-friendly platform.
With dual MPPTs, generator support and parallel capability for up to 16 units, the GEN3-LB-EU 8K provides a flexible foundation for modern residential energy systems.
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Build & Installation
- IP66-rated enclosure
- Smart cooling system
- Transformerless AC-side topology
- Transformer-based battery-side topology
- LCD display
- RS485, Wi-Fi and CAN communication
- Noise emission: <50dB
- Maximum operating altitude: 4000m, with derating above 2000m
- Operating temperature: -25°C to 60°C, with derating above 45°C
- Storage temperature: -40°C to 65°C
- Relative humidity: 0–100%
- Warranty: 10 years
Dimensions: 416 × 538.5 × 229.5mm
Weight: 22.5kg
Battery & Power Performance
- 48V nominal battery system
- 40–60V battery operating range
- 180A maximum charge and discharge current
- 8kW maximum charge and discharge power
- Battery force wake-up from PV, grid and generator
Designed to provide stable battery performance across solar generation, grid charging and generator-supported systems.
Efficiency & Protection
- 99.9% MPPT efficiency
- 97.0% maximum efficiency
- 95.9% EU efficiency
- 95.0% maximum charge and discharge efficiency
- Overcurrent and overvoltage protection
- Anti-islanding protection
- AC short-circuit protection
- Leakage-current protection
- Ground-fault monitoring
- Grid monitoring
- Integrated DC switch
- Type II AC/DC surge protection
- AFCI (optional)
Standards & Certification
- EN62109-1/-2, EN61000, EN50549-1/-10, UNE27001/UNE27002, G99, G100
Key Features
Built for Fogstar Battery Integration
- Stable BMS communication
- Accurate state-of-charge reporting
- Efficient charge and discharge control
Designed to work reliably with Fogstar Energy 48V (51.2V) battery systems.
Grid
- Rated AC voltage: 230V
- Rated AC frequency: 50 / 60Hz
- Rated AC output current: 34.7A
- Rated AC output power: 8kW
- Maximum AC input current: 52A
- Maximum AC input power: 12kW
- Power factor: 0.99 (adjustable from 0.8 leading to 0.8 lagging)
- THDI: <3%
- Maximum continuous AC passthrough current: 52A
Generator
- Rated generator voltage: 230V
- Rated generator frequency: 50 / 60Hz
- Rated generator input current: 52A
- Rated generator input power: 12kW
Backup (UPS) Output
- Rated output power: 8kW
- Rated output voltage: 230V
- Rated output current: 34.7A
- Rated output frequency: 50 / 60Hz
- Surge power: 2 × rated power for 1 second
- Switching time: 7ms
- Waveform: sine wave
- THDV: <3%
- Maximum PV input power: 12kW
- Rated PV input voltage: 360V
- Two independent MPPT inputs (1:1)
- Maximum PV input voltage: 530V
- MPPT voltage range: 60–425V
- Start-up voltage: 50V
- Maximum PV input current: 20A per MPPT
- Maximum PV short-circuit current: 32A per MPPT
Get in touch
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Our team are here to make the installation process simple. Please get in touch with any questions - we're always happy to help.
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