Switch Power Supply - AC to DC Converter This high-performance switch power supply efficiently converts AC to DC, making it ideal for various applications such as power adapters, LED light strips, LED displays, billboards, industrial equipment, and more. Key Features: Converts AC 110V/220V to DC 48V Dual input voltage: AC 110V/220V with a selectable voltage switch Consistent and accurate output voltage Comprehensive protection: short circuit, overload (105%~150%), and over voltage (115%~135%) Intended for in-door use only Specifications: Material: Metal case Input Voltage: AC 110/220V ±15% Input Frequency: 50/60Hz Input Surge: Cold start 25A@115V AC, 50A@230V AC Output Voltage: DC 48V Output Voltage Adjustment Range: ±10% Output Current: 8.3A Current Range: 0~8.3A Output Power: 400W Operating Temperature: -40°C to 65°C Storage Temperature: -20°C to +60°C Humidity: 20%~90% RH Non-Condensation Item Dimensions: 21.4 x 11.3 x 4.8 cm / 7.9 x 3.9 x 1.9 in Item Weight: 704g / 1.55 lbs Package Dimensions: 22.0 x 11.7 x 5.2 cm / 8.7 x 4.6 x 2.0 in Package Weight: 748g / 1.65 lbs Package Includes: 1 x Voltage Transformer