SE400-124 is a 400W pure sine wave inverter designed to convert 24VDC input to AC output voltage selectable between 100/110/115/120VAC. It features a wide input voltage range of 21.0 to 32.0VDC, maximum efficiency of 89%, and output frequency selectable between 50/60Hz ±0.5%. The inverter includes comprehensive protection features such as input under/over voltage protection, output short circuit protection, overload protection, and over temperature shutdown at 80°C with automatic recovery at 60°C. With input and output fully isolated, temperature and load controlled cooling fan, and compact dimensions of 150 x 68 x 187 mm, this inverter is ideal for home and office appliances, portable power equipment, vehicles, yachts, and off-grid solar power systems.