MEAN WELL NTS-250P/400P DC-AC Inverters features a fully digital MCU design that focuses on miniaturization, high efficiency, and intelligence. The fanless design of the inverters allows quiet operation and reduces dust accumulation. These inverters offer a streamlined control circuitry that quickly responds to environmental changes, true sine wave output, and improves reliability. The NTS-250P/400P DC-AC inverters also feature adjustable AC output voltage and frequency and operate within -20°C to 70°C temperature range. Typical applications include mobile devices, home and office appliances, portable equipment, vehicle, and yacht.