Features: AC input range selectable by switch Protections: Short circuit / Overload / Over voltage Forced air cooling by built-in DC fan PWM control and regulated Built-in cooling Fan ON-OFF control 100% full load burn-in test Fixed switching frequency at 25KHz Low cost
MODEL	S-350-5	S-350-7.5	S-350-12	S-350-13.5	S-350-15	S-350-24	S-350-27	S-350-48
DC VOLTAGE	5V	7.5V	12V	13.5V	15V	24V	27V	48V
RATED CURRENT	50A	40A	29A	25.8A	23.2A	14.6A	13A	7.3A
CURRENT RANGE	0 ~ 50A	0 ~ 40A	0 ~ 29A	0 ~ 25.8A	0 ~ 23.2A	0 ~ 14.6A	0 ~ 13A	0 ~ 7.3A
RATED POWER	250W	300W	348W	348.3W	348W	350.4W	351W	350.4W
RIPPLE & NOISE (max.)	150mVp-p	150mVp-p	150mVp-p	150mVp-p	150mVp-p	150mVp-p	200mVp-p	240mVp-p
VOLTAGE ADJ. RANGE	4.5 ~ 5.6V	6 ~ 9V	10 ~ 13.2V	12 ~ 15V	13.5 ~ 18V	20 ~ 26.4V	26 ~ 32V	41 ~ 56V
VOLTAGE TOLERANCE	±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	200ms, 50ms, 20ms at full load
VOLTAGE RANGE	90 ~ 132VAC / 180 ~ 264VAC by switch       254 ~ 370VDC
FREQUENCY RANGE	47 ~ 63Hz
EFFICIENCY (Typ.)	73%	76%	74%	79%	78%	81%	82%	83%
AC CURRENT	6.5A/115VAC        4A/230VAC
INRUSH CURRENT (max.)	25A/115VAC        50A/230VAC
LEAKAGE CURRENT	<3.5mA / 240VAC
OVERLOAD	105 ~ 135% rated output power
	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.	RTH3 ≥55oC FAN ON, ≤45oC FAN OFF, ≥80oC output shutdown (5 ~ 7.5V)
	RTH3 ≥65oC FAN ON, ≤55oC FAN OFF, ≥80oC output shutdown (12 ~ 15V)
	RTH3 ≥70oC FAN ON, ≤60oC FAN OFF, ≥85oC output shutdown (24 ~ 48V)
WORKING TEMP.,HUMIDITY	-10 ~ +60oC
WORKING HUMIDITY	20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY	-20 ~ +85oC, 10 ~ 95% RH
TEMP. COEFFICIENT	±0.03%/oC (0 ~ 50oC)
VIBRATION	10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes
WITHSTAND VOLTAGE	I/P-O/P:1.5KVAC 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
MTBF	234.3K hrs min. MIL-HDBK-217F (25oC)
DIMENSION	215*115*50mm (L*W*H)
PACKING	0.929Kgs/pcs, 12pcs/12.58Kgs/0.0263CMB