Pure Sine Wave Inverter Rear Stage Board 4000W–5000W | DC 320–450V to AC 110–220V

**Pure Sine Wave Inverter Output Stage Board (4000W–5000W)**  

This high-power inverter rear stage board converts high-voltage DC (320–450 V) into a stable pure-sine AC output (110 V / 220 V). Designed for integration with front-end boost converters or solar DC buses, it delivers reliable AC power for home, industrial, and experimental systems.

**⚙️ Features**  
• Output: Pure sine wave AC 110 V / 220 V selectable  
• Input voltage: DC 320–450 V  
• Output power options: 4000 W / 5000 W  
• Frequency: 50 Hz ± 0.5 Hz  
• High-efficiency IGBT H-bridge output stage  
• Large aluminum heatsink with integrated fan mount  
• Designed for high-voltage inverter or solar systems  
• Compatible with SG3525, TL494, or custom PWM driver control  

**📦 Specifications**  
• Input DC voltage: 320–450 V DC  
• Output AC voltage: 110 V / 220 V AC  
• Continuous power: 4000 W / 5000 W (model-dependent)  
• Efficiency: ≥ 90 %  
• Output waveform: Pure sine wave  
• Frequency stability: ± 0.5 Hz  
• Protection: Over-current / short-circuit / over-temperature (driver-dependent)  
• Dimensions: ~210 mm × 120 mm (board only)  

**🧰 Applications**  
• Rear-stage of full inverter systems  
• Solar and battery-powered AC systems  
• High-voltage DC to AC conversion  
• Research and energy development projects  

**🧩 Notes**  
• Requires a matching front-end boost stage (DC 12 / 24 / 48 V → 320–450 V).  
• Ensure proper isolation and cooling during operation.  
• Ideal for use with Lanotop or similar inverter driver modules.