Single Output Switching Power Supply NS-50 Series, 50Watt FEATURES: Input voltage range 100-240VAC High reliability Built-in EMI filter Short circuit, over current, over voltage protections Cooling by free air convection 100% burn-in test With LED power indicator 4 year warranty Output voltage (Vdc) Output current (A) Efficiency Typ. NS50-3 3.3 10 70% NS50-5 NS50-9 5 10 70% 9 5.6 75% 12 4.3 75% NS50-15 15 3.5 75% NS50-24 24 2.2 75% NS50-48 48 1.1 75% Model NS50-12 Input voltage (Vac) 100-240 ELECTRICAL Input Parameters Symbols Test Conditions / Comment Input voltage Vin -- Input frequency Fline Inrush current Input current www.pairuigroup.com Min. Typ. Max. Units 88 -- 264 Vac 125 -- 370 Vdc -- 47 -- 63 Hz Cold start, Vin =115Vac, full load -- 20 -- A Cold start, Vin =230Vac, full load -- 40 -- A Full load, Vin =115Vac -- 0.9 -- A Full load, Vin =230Vac -- 0.6 -- A Iinrush Iin Page: 1 / 3 Date: 03/12/2014 Single Output Switching Power Supply NS-50 Series, 50Watt ELECTRICAL Output Parameters Symbols Test Conditions / Comment Min. Typ. Max. Units Line regulation Iout-line -- -- 1 -- % Load regulation Iout-load Vout from min. to max. -- 1 -- % -- Full load, Vin =115Vac -- 17 -- ms Ton_delay Full load, Vin =115Vac -- -- 0.5 S -- -- -- 120 480 mV Hold-on time Turn-on delay time Ripple Protection Over current Type:110-150%; Hiccup mode, 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%; Hiccup mode, it will recover automatically after fault condition is removed 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 -- +70 ℃ 10 -- 95 % -- -- 200 kHrs 120 x 81.2 x 31.5mm Safety / EMC Withstand voltage I/P-O/P: 3KVac Safety standards UL, C-UL, CE, CB EMC EN55022 Class A I/P-FG: 2KVac O/P-FG: 0.5KVac 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: 03/12/2014 Single Output Switching Power Supply NS-50 Series, 50Watt MECHANICAL www.pairuigroup.com Page: 3 / 3 Date: 03/12/2014