SKS-320 Page No. [1] [2] Current PageNo. 1

Features: AC input range selectable by switch. Protections:Short circuit/Over load/Over voltage/Over temperatur. Forced air cooling by built-in DC fa. Cooling Fan ON-OFF auto contro. 100% full load burn-in tes. Fixed switching frequency at 90KHz. 2 years warranty.

SPECIFICATION MODEL SKS-320-5 SKS-320-7.5 SKS-320-12 SKS-320-13.5 SKS-320-15 SKS-320-24 SKS-320-27 SKS-320-48 OUTPUT DC VOLTAGE 5V 7.5V 12V 13.5V 15V 24V 27V 48V RATED CURRENT 50A 36A 25A 22A 20A 12.5A 11A 6.5A CURRENT RANGE 0 ~ 50A 0 ~ 36A 0 ~ 25A 0 ~ 22A 0 ~ 20A 0 ~ 12.5A 0 ~ 11A 0 ~ 6.5A RATED POWER 250W 270W 300W 297W 300W 300W 297W 312W RIPPLE & NOISE (max.) Note.2 150mVp-p 150mVp-p 150mVp-p 150mVp-p 150mVp-p 150mVp-p 200mVp-p 240mVp-p VOLTAGE ADJ. RANGE 4.5 ~ 5.7V 6 ~ 9V 10 ~ 13.2V 12 ~ 15V 13.5 ~ 18V 20 ~ 26.4V 26 ~ 32V 41 ~ 56V VOLTAGE TOLERANCE Note.3 ±2.0% ±2.0% ±1.0% ±1.0% ±1.0% ±1.0% ±1.0% ±1.0% LINE REGULATION ±0.5% ±0.5% ±0.5% ±0.5% ±0.5% ±0.5% ±0.5% ±0.5% LOAD REGULATION ±1.0% ±1.0% ±0.5% ±0.5% ±0.5% ±0.5% ±0.5% ±0.5% SETUP, RISE, HOLD TIME 2000ms, 20ms, 20ms at full load INPUT VOLTAGE RANGE 88 ~ 132VAC / 176 ~ 264VAC by switch 248 ~ 370VDC FREQUENCY RANGE 47 ~ 63Hz EFFICIENCY (Typ.) 77% 80% 82% 83% 84% 86% 86% 87% AC CURRENT 6A/115VAC 3.5A/230VAC INRUSH CURRENT (max.) 20A/115VAC 40A/230VAC LEAKAGE CURRENT <3.5mA / 240VAC PROTECTION OVERLOAD 105 ~ 135% rated output power (150 ~ 200% rated output power for S-100-7.5 only) Protection type : Hiccup mode, recovers automatically after fault condition is removed. OVER VOLTAGE 5.75 ~ 6.75V 9.4 ~ 10.9V 13.8 ~ 16.2V 15.5 ~ 18.2V 18 ~ 21V 27.6 ~ 32.4V 33.7 ~ 39.2V 57.6 ~ 67.2V Protection type : Hiccup mode, recovers automatically after fault condition is removed. FAN CONTROL O.T.P. RTH1 65 FAN ON, 55 FAN OFF, 70 output shutdown(5 ~ 15V) RTH1 70 FAN ON, 65 FAN OFF, 80 output shutdown(24 ~ 48V) ENVIRONMENT WORKING TEMP. -10 ~ +60℃ (Refer to output load derating curve) WORKING HUMIDITY 20 ~ 90% RH non-condensing STORAGE TEMP., HUMIDITY -20 ~ +85℃, 10 ~ 95% RH TEMP. COEFFICIENT ±0.03%/℃ (0 ~ 50℃) VIBRATION 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes SAFETY & EMC SAFETY STANDARDS UL1950 Approved. WITHSTAND VOLTAGE I/P-O/P:3KVAC I/P-FG:1.5KVAC O/P-FG:0.5KVAC ISOLATION RESISTANCE I/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC OTHERS MTBF 188.7K hrs min. MIL-HDBK-217F (25℃) DIMENSION 215*115*50mm (L*W*H) PACKING 1.08Kg; 12pcs/12.96Kg/0.98CUFT NOTE 1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 2. of ambient temperature. 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor. 3. Tolerance : includes set up tolerance, line regulation and load regulation.