Feature: 1. Convert AC input selected by switch. 2. With over voltage, over current, high temperature, short circuit conservation. 3. Built-in DC fan forced air cooling. 4. PWM control. 5. Automatic cooling fan control. 6. 100% full load burn-in test. 7. Low cost, high reliability, has a long service life. 8. Can be used in industrial control equipment, automation control, LED display, LED lighting, billboard light boxes, water and electricity installation, electronic communications, instrumentation and other industries. Specification: Made of fine quality material, practical, easy to operate and use, wide application range, has a long service life. Features: Convert AC input selected by switch. With over voltage, over current, high temperature, short circuit conservation. Built-in DC fan forced air cooling. PWM control. Automatic cooling fan control. 100% full load burn-in test. Low cost, high reliability, has a long service life. Can be used in industrial control equipment, automation control, LED display, LED lighting, billboard light boxes, water and electricity installation, electronic communications, instrumentation and other industries. Specifications: Material: metal Color: silver Model: S-400-60 DC output voltage: 60V Output voltage tolerance: ±1% Rated output current: 6.6A Output current range: 0~6.6A Wave and noise: 150mVp-p Inlet stability: ±0.5% Load stability: ±0.5% DC output power: 396W Efficiency: 86% Adjustable range for DC voltage: ±10% AC input voltage range: 90~132V AC / 180~264V AC selected by switch 47~63Hz; 254~370V DC Input current: 7A / 115V, 4.5A / 230V AC inrush current: 25A / 115V, 50A / 230V Leakage current: 3.5mA / 240V AC Overload conservation: 105%~135% shut off current, automatically restore Over voltage conservation: 115%~135% of the output voltage High temperature conservation: RTH3≥65℃ fan on, RTH3≤55℃ fan off, RTH3≥80℃ off the output Temperature coefficient: ±0.03% / ℃ (0~50℃) Setup, rise, hold up time: 200ms, 100ms, 30ms Vibration: 10~500Hz, 2G 10 minutes / cycle, 60 minutes each for X, Y, and Z Withstand voltage: input and output internal: 1.5KVAC, input and enclosure: 1.5KVAC, output and enclosure: 0.5KVAC Isolation resistance: input and output internal, input and enclosure, output and enclosure: 500VDC / 100MΩ Working temperature and humidity: -10℃~+60℃, 20%~90%RH Storage temperature and humidity: -20℃~+85℃, 10%~95%RH Item size: 215 * 115 * 50mm / 8.5 * 4.5 * 2.0in Package size: 220 * 120 * 60mm / 8.7 * 4.7 * 2.4in Package weight: 900g / 2.0lb Packing List: 1 * 400W 60V / 6.6A Switching Power Supply Package List: 1 * 400W 60V / 6.6A Switching Power Supply