Features: Voltage Options: DC voltage options available are 12V, 24V, 36V, 48V, and 60V. Current Specifications: Rated currents are 33.3A, 16.6A, 11.1A, 8.3A, and 6.6A according to the voltage selected. Power Output: Rated power options include 399.6W, 398.4W, 399.6W, 398.4W, and 396W for each respective voltage. Voltage Accuracy: Maintains a high voltage accuracy of ±1%. Adjustable Output: Output voltage adjustment range is ±10%. Input & Efficiency: Voltage Range: Compatible with 90-132VAC / 180-264VAC, 47Hz~63Hz and 254VDC~370VDC. Efficiency: Typical efficiency varies from >82% to >86% depending on the voltage option. Protection Features: Overload Protection: Between 105%-135% constant current output, with a reset feature for seamless operation. Overvoltage Protection: Automatic output turn-off at ≥115%-145%. Undervoltage & Short Circuit Protection: Output automatically turns off in cases of undervoltage or short circuit. Over Temperature Protection: Fan starts at ≥65°C (5V-15V) or ≥70°C (18V-48V) and turns off the output at 80°C (5V-15V) or 85°C (18V-48V). Environmental Specifications: Operating Temperature: Designed to operate from -10°C to +50°C, with humidity ranging from 20% to 90% RH. Storage Conditions: Can be stored between -20°C and +85°C, with a safe humidity range of 10% to 95% RH. Safety & Reliability: Voltage Withstand: Ensures voltage withstand of 1.5KVAC for Input-Output and Input-Enclosure, and 0.5KVAC for Output-Enclosure. Isolation Resistance: Achieves 500VDC/100MΩ for Input-Output, Input-Housing, and Output-Housing. Dimensions & Weight: Product Size: Compact size measuring 215x115x50mm. Weight: Net weight is 874.1g, while the gross weight is 936.3g. Package Includes: 1 x Power Supply Note: Upon receiving the product, you might notice some minor misalignments due to shipping which can be adjusted manually. If this is not acceptable, consider refraining from purchase.