Switching Power Supply Single Output NS-300 Series, 300Watt FEATURES: Input voltage range 100-240VAC High reliability Built-in EMI filter Short circuit, over current, over voltage protections Cooling by fan 100% burn-in test With LED power indicator 4 year warranty Output voltage (Vdc) Output current (A) Efficiency Typ. NS300-3 3.3 55 80% NS300-5 NS300-9 5 55 83% 9 33.3 86% 12 26 85% NS300-15 15 21 87% NS300-24 24 13 88% NS300-48 48 6.7 84% Model NS300-12 Input voltage (Vac) 100-264 ELECTRICAL Input Parameters Symbols Test Conditions / Comment Input voltage Vin -- Input frequency Fline PF Power factor Inrush current Input current www.pairuigroup.com Min. Typ. Max. Units 90 -- 264 Vac 125 -- 370 Vdc -- 47 -- 63 Hz Full voltage, full load 0.95 -- 0.98 PF Cold start, Vin =115Vac, full load -- 20 -- A Cold start, Vin =230Vac, full load -- 40 -- A Full load, Vin =115Vac -- 3.6 -- A Full load, Vin =230Vac -- 1.8 -- A Iinrush Iin Page: 1 / 3 Date: 07/30/2015 *Subject to change without notice Switching Power Supply Single Output NS-300 Series, 300Watt ELECTRICAL Output Parameters Symbols Test Conditions / Comment Min. Typ. Max. Units Line regulation Vout-line Vin from 100 Vac To 240 Vac -- 1 -- % Load regulation Vout-load Iout from min. To max. -- 1 -- % Hold-on time Ton_hold Full load, Vin =115Vac -- 17 -- ms Turn-on rise time Ton_rise Cold start, power on -- -- 500 ms Ripple & noise Vripple -- -- 120 250 mVp-p Protection Over current Type: works at over 105%; it will recover automatically after fault condition is removed Short circuit Hiccup mode, it will recover automatically after fault condition is removed Over voltage Type: 110-150%; Locked mode, it will recover automatically after turn off the power Environment Storage Ambient operating temperature Operating relative humidity MTBF Tstorage Ta Humidity: 5% RH to 95% RH Startup at rated voltage (Required Derating) Ha TMTBF Non condensing Full load, 230Vac input, ℃ 25 ambient temperature Dimension(LxWxH) -20 -- +75 ℃ -10 -- +65 ℃ 10 -- 95 % -- -- 200 kHrs 192.5x102x52mm Safety / EMC Withstand voltage I/P-O/P: 3KVac I/P-FG:2KVac O/P-FG:0.5KVac Safety standards UL, C-UL, CE, CB EMC FCC Part 15, VCCI-A, CLSPR22-A, EN55022-A Notes: 1. Rated Load and Rated Input Voltage,Ta=25℃; 2. Ripple &Noise are measured at 20MHZ of bandwidth by using a 12” twisted pair-wire terminated with a 0.1uf & 47uF parallel capacitor. www.pairuigroup.com Page: 2 / 3 Date: 07/30/2015 *Subject to change without notice Switching Power Supply Single Output NS-300 Series, 300Watt MECHANICAL www.pairuigroup.com Page: 3 / 3 Date: 07/30/2015 *Subject to change without notice