12 kW High-Power Pure Sine Wave Inverter Board | DC 320–850 V Input | IGBT Rear-Stage Module

**12 kW High-Power Pure Sine Wave Inverter Rear-Stage Board (DC 320 V – 850 V)**  

Professional-grade inverter output module using high-efficiency IGBT technology to convert high-voltage DC to pure-sine AC output. Designed for solar, EV-charging, or research systems requiring a robust, high-power AC source.

**⚙️ Features**  
• Input voltage range: DC 320 – 850 V  
• Output: Pure-sine AC 110 V / 220 V selectable  
• Rated power: 12 kW continuous  
• IGBT-based full-bridge topology  
• Integrated snubber and filter stage for low THD  
• Large aluminum heat-sink for continuous operation  
• High-voltage bus capacitor bank for stability  
• Designed to pair with front-stage boost converters or solar MPPTs  

**📦 Specifications**  
• Input DC voltage: 320 – 850 V DC  
• Output AC voltage: 110 / 220 V AC ± 5 %  
• Output power: 12 kW continuous  
• Efficiency: ≥ 92 %  
• Frequency: 50 / 60 Hz selectable  
• Waveform: Pure sine wave  
• Protection (driver-dependent): Over-voltage, over-current, over-temperature, short-circuit  
• Cooling: Forced air (heatsink + fan recommended)  
• Dimensions: ≈ 220 × 120 × 90 mm  

**🧰 Applications**  
• Solar / battery inverter systems  
• High-voltage DC-to-AC energy conversion  
• EV charging and new-energy R&D  
• Industrial and experimental power systems  

**🧩 Notes**  
• Use with an isolated driver and proper pre-charge circuit.  
• Ensure sufficient heatsinking and airflow.  
• Ideal as rear stage for Lanotop inverter platforms.