Import 300kw Pure Sine Wave Power Inverter 400v 3 Phase — Buy in wholesale FOB from Supplier in China

This 300KW pure sine wave inverter from Zhejiang Sandi Electric Co., Ltd. delivers 400V three-phase output with an efficiency of up to 94% using SVPWM space vector algorithms. The unit is built around a Mitsubishi sixth-generation IPM module and a TI DSP28335 central processor, ensuring fast response, stable power delivery, and clean output suitable for sensitive loads like CNC machines, motors, and pumps. Input voltage range is configurable between 100-300V, 200-500V, or 500-850V, making it adaptable to solar or wind systems without backup batteries.

The inverter features a modular and plug-in design for straightforward maintenance, with isolation transformer integration to ensure complete electrical separation between input and output. Output voltage can be adjusted between -40% to +20% of the rated value with ±1% accuracy, while DC input parameters like over-voltage, under-voltage, and recovery points are all programmable via the LCD panel. Two start modes are available: reduction voltage start and variable frequency start, catering to different load types and reducing the need for additional frequency converters.

Designed for industrial and commercial applications, this inverter supports AC bypass priority or DC priority modes, allowing users to optimize system usage based on power source availability. Its LCD and LED display provides real-time data on input/output voltage, current, kWh, and fault diagnostics, simplifying troubleshooting. The unit is CE (EMC, LVD, UL1741) and ISO9001 certified, with optional features like RS485 communication and built-in chargers. Importers typically use this inverter for off-grid or hybrid power systems in regions with unstable grid supply.

Zhejiang Sandi Electric Co., Ltd. is based in Yueqing Economic Development Zone, Zhejiang Province, China, with its registered address at Building 13-2 Botong Huigu, No. 66 Binhai South Four Road. The company specializes in power electronics, particularly inverters and related equipment, leveraging imported core components and modular designs to enhance reliability and serviceability. Its products are engineered for industrial and commercial applications where stable, clean power is critical.

The supplier’s profile indicates a focus on high-performance power solutions, with certifications such as CE and ISO9001 underscoring its commitment to quality and compliance. While the response rate and average response hours are not publicly available, the company’s technical specifications and product descriptions suggest a capability to deliver tailored power systems. Importers can verify additional details directly with the supplier, including customization options and after-sales support.